CCNA 2 Final V4.1

1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?

FTPS
HTTP
** HTTPS
WEP2
TFTP

2 Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?

branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc

branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp

branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240

**branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown

3Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)

** Router(config)# enable secret cisco
Router(config)# enable cisco
Router(config)# encryption-password all
Router(config)# enable login encrypted
Router(config)# enable password encryption
** Router(config)# service password-encryption

4A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)

** Select the routing protocol to be configured.
** Assign an IP address and subnet mask to the interface
Update the ip host configuration information with the device name and new interface IP address.
** Configure the routing protocol with the new network IP address.
Configure the routing protocol with the new interface IP address and subnet mask.
Configure the routing protocol in use on all other enterprise routers with the new network information.

5 How does TCP ensure the reliable transfer of data?

if data segments are not received from the source, the destination requests that the segments be resent.
If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.
** TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.
The TCP Protocol Interpreter process verifies the transmitted data at source and destination.

6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task?

routable translation
dynamic translation
static translation
** port address translation

7What is the most commonly used exterior routing protocol?

** BGP
RIP
OSPF
EIGRP

8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name?

Router# ip hostname Boise
Router# enable hostname Boise
Router(config-line)# name Boise
** Router(config)# hostname Boise
Router(config)# ip hostname Boise

9Why are port numbers included in the TCP header of a segment?

to indicate the correct router interface that should be used to forward a segment
to identify which switch ports should receive or forward the segment
** to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application
to allow the receiving host to assemble the packet in the proper order

10What is the purpose of the routing process?

to encapsulate data that is used to communicate across a network
** to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses

11Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)

** The debug ip rip command displays RIP routing activity in real time.
**The debug ip rip command can be issued at the user EXEC configuration mode.
The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.
Because of router processor usage, the debug ip rip command should be used only when necessary.
The debug ip rip command should be used instead of the show ip route command whenever possible.

12What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.)

**DNS server
WINS server
**IP address
NetBIOS
** subnet mask
** default gateway

13A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?

The switch has no configuration file in NVRAM.
** The switch has failed POST and must be sent for service.
The switch is functioning properly.
The switch is in half-duplex mode.

14Refer to the exhibit. Which combination of cables and symbols is correct?

A - crossover, B - straight-through, C - straight-through
A - crossover, B - rollover, C - straight-through
**A - straight-through, B -crossover, C - straight-through
A - straight-through, B -straight-through, C - straight-through
A - straight-through, B - straight-through, C - crossover
A - rollover, B - straight-through, C - straight-through

15After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?

transport
network
data link
** physical

16What are three characteristics of the TCP protocol? (Choose three.)

exchanges datagrams unreliably
is used to send IP error messages
forces the retransmission of unacknowledged packets
** creates a virtual session between end-user applications
**carries the IP address of the destination host in the TCP header
is responsible for breaking messages into segments and reassembling them at their destination

17Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?

with BGP
**with a static route
with a directly connected route
with an interior routing protocol

18Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?

rollover
console
crossover
**straight-through

19When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?

leased line
packet switched
** circuit switched
point-to-point

20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?

Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
** Verify the IP address, subnet, and gateway settings using ipconfig on the PC .
Connect to the user home router to check firewall settings for blocked TCP ports.

21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.)

The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
** Workstation A will send an ICMP echo request message to workstation B.
** Workstation B will send an ICMP echo reply message to workstation A.

22How does a router know of paths to destination networks? (Choose two.)

**inspection of the destination IP address in data packets
ARP requests from connected routers
manual configuration of routes
** updates from other routers
DHCP information broadcasts
updates from the SMTP management information base

23Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)

** The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client.
The user started the data conversation by sending an e-mail.
The IP address of the Internet server is 192.168.17.43 .
**The Internet server will send data to port 8547 on the client.

24What is one purpose of the TCP three-way handshake?

sending echo requests from the source to the destination host to establish the presence of the destination
determining the IP address of the destination host in preparation for data transfer
requesting the destination to transfer a binary file to the source
**synchronizing sequence numbers between source and destination in preparation for data transfer

25Which type of address is 192.168.17.111/28?

host address
network address
**broadcast address
multicast address

26A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?

** misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation


27The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?

A
B
C
D

28Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.)

ALSwitch(config)# interface vlan 1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# login

**ALSwitch(config)# line vty 0 4
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login

ALSwitch(config)# line vty 0 15
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login
ALSwitch(config)# enable secret class

ALSwitch(config)# enable password cisco
ALSwitch(config)# interface fa0/1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# no shutdown

**ALSwitch(config)# line cons 0
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login
29A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?

** the POP3 and SMTP server settings in the e-mail application
the patch cable connections at the back of the workstation and at the wall plate
the DHCP settings in the operating system
the IP address, mask, and default gateway values
the NIC drivers

30Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?

RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
**RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0

31Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)

255.255.255.240
** 255.255.192.0
** 255.255.0.0
255.192.0.0
240.0.0.0
255.0.0.0

32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)

**RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6
RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6
RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6
**RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6

33How do port filtering and access lists help provide network security?

**They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.

34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?

STP
UTP
coaxial
**fiber optic

35What is used by a routing protocol to determine the best path to include in the routing table?

Convergence time
Default distance
** Metric
Type of router

36Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.)

192.168.65.31
192.168.65.32
** 192.168.65.35
** 192.168.65.60
192.168.65.63
192.168.65.64

37Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet?

255.255.0.0
255.255.224.0
255.255.255.0
** 255.255.255.224
255.255.255.240
255.255.255.248

38 Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)

** Syslog
Telnet
HTTP
HTTPS
** SNMP

39What is true regarding the differences between NAT and PAT?

PAT uses the word "overload" at the end of the access-list statement to share a single registered address.
Static NAT allows an unregistered address to map to multiple registered addresses.
Dynamic NAT allows hosts to receive the same global address each time external access is required.
**PAT uses unique source port numbers to distinguish between translations.

40Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.)

**The router is connected to a router named Boise.
Router RTB is connected to a Cisco 1841 router.
Router RTB is directly connected to two other routers.
**The IP address of the router interface connected to router RTB is 192.168.2.6 .
The RTB router is connected to two Cisco devices by Fast Ethernet links.

41Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network :
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6
A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?

The ISP must be configured to forward packets from the 192.168.1.0 network.
**The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address.
The ip route command should be removed from the RTB router configuration.

42 A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?

**SNMP
FTP
DHCP
SMTP

43What are two purposes of DNS? (Choose two.)

to dynamically assign IP addressing information to network hosts
to simplify the administration of host and default gateway addressing on client computers
to assign TCP port numbers to hosts as part of the data transfer process
**to resolve human-readable domain names to numeric IP addresses
**to replace the static HOSTS file with a more practical dynamic system

44A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?

an IDS
**an IPS
a host-based firewall
Anti-X software

45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

30
256
**2046
2048
4094
4096

46In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?

**destination network address
source network address
source MAC address
well known port destination address

47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?

Sonet
T3
**dialup
DSL
leased line

48The command copy tftp running-config has been entered on the router. What will this command do?

copy the configuration in RAM to a server
**copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM

49Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)

RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
**RTB(config-if)# no shutdown
**RTB(config-if)# ip address 192.168.102.97 255.255.255.252

50Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.)

to map the path to 192.168.1.7
**to test reachability to 192.168.1.7
to locate connectivity problems along the route to 192.168.1.7
to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7
**to measure the time that packets take to reach 192.168.1.7 and return to the technician's workstation

READ MORE - CCNA 2 Final V4.1

CCNA 2 Final V4.0

1
A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?

FTPS

HTTP

HTTPS

WEP2

TFTP


2
Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?

branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown

branch_23(config-if)# encapsulation hdlc
branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown

branch_23(config-if)# encapsulation ppp
branch_23(config-if)# no shutdown

branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240

branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown


3
Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)

Router(config)# enable secret cisco

Router(config)# enable cisco

Router(config)# encryption-password all

Router(config)# enable login encrypted

Router(config)# enable password encryption

Router(config)# service password-encryption


4
A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)

Select the routing protocol to be configured.

Assign an IP address and subnet mask to the interface.

Update the ip host configuration information with the device name and new interface IP address.

Configure the routing protocol with the new network IP address.

Configure the routing protocol with the new interface IP address and subnet mask.

Configure the routing protocol in use on all other enterprise routers with the new network information.


5
How does TCP ensure the reliable transfer of data?

If data segments are not received from the source, the destination requests that the segments be resent.

If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.

TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.

The TCP Protocol Interpreter process verifies the transmitted data at source and destination.


6
A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task?

routable translation

dynamic translation

static translation

port address translation


7
What is the most commonly used exterior routing protocol?

BGP

RIP

OSPF

EIGRP


8
Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name?

Router# ip hostname Boise

Router# enable hostname Boise

Router(config-line)# name Boise

Router(config)# hostname Boise

Router(config)# ip hostname Boise


9
Why are port numbers included in the TCP header of a segment?

to indicate the correct router interface that should be used to forward a segment

to identify which switch ports should receive or forward the segment

to determine which Layer 3 protocol should be used to encapsulate the data

to enable a receiving host to forward the data to the appropriate application

to allow the receiving host to assemble the packet in the proper order


10
What is the purpose of the routing process?

to encapsulate data that is used to communicate across a network

to select the paths that are used to direct traffic to destination networks

to convert a URL name into an IP address

to provide secure Internet file transfer

to forward traffic on the basis of MAC addresses


11
Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)

The debug ip rip command displays RIP routing activity in real time.

The debug ip rip command can be issued at the user EXEC configuration mode.

The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.

Because of router processor usage, the debug ip rip command should be used only when necessary.

The debug ip rip command should be used instead of the show ip route command whenever possible.


12
What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.)

DNS server

WINS server

IP address

NetBIOS

subnet mask

default gateway


13
A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?

The switch has no configuration file in NVRAM.

The switch has failed POST and must be sent for service.

The switch is functioning properly.

The switch is in half-duplex mode.


14
Refer to the exhibit. Which combination of cables and symbols is correct?

A - crossover, B - straight-through, C - straight-through

A - crossover, B - rollover, C - straight-through

A - straight-through, B -crossover, C - straight-through

A - straight-through, B -straight-through, C - straight-through

A - straight-through, B - straight-through, C - crossover

A - rollover, B - straight-through, C - straight-through


15
After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?

transport

network

data link

physical


16
What are three characteristics of the TCP protocol? (Choose three.)

exchanges datagrams unreliably

is used to send IP error messages

forces the retransmission of unacknowledged packets

creates a virtual session between end-user applications

carries the IP address of the destination host in the TCP header

is responsible for breaking messages into segments and reassembling them at their destination


17
Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?

with BGP

with a static route

with a directly connected route

with an interior routing protocol


18
Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?

rollover

console

crossover

straight-through


19
When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?

leased line

packet switched

circuit switched

point-to-point


20
A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?

Enter an IP address into the WWW browser address bar to see if DNS is at fault.

Use traceroute to identify the device along the path to the ISP that may be at fault.

Verify the IP address, subnet, and gateway settings using ipconfig on the PC.

Connect to the user home router to check firewall settings for blocked TCP ports.


21
A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.)

The router will block the ping request message.

The router will reply to the echo request with a proxy ping response.

Workstation A will send a UDP ping request message to workstation B.

Workstation B will send a UDP ping reply message to workstation A.

Workstation A will send an ICMP echo request message to workstation B.

Workstation B will send an ICMP echo reply message to workstation A.


22
How does a router know of paths to destination networks? (Choose two.)

inspection of the destination IP address in data packets

ARP requests from connected routers

manual configuration of routes

updates from other routers

DHCP information broadcasts

updates from the SMTP management information base


23
Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)

The data conversation was started by the HTTP application process running on the client.

The data conversation is identified by TCP port 80 on the client.

The user started the data conversation by sending an e-mail.

The IP address of the Internet server is 192.168.17.43.

The Internet server will send data to port 8547 on the client.


24
What is one purpose of the TCP three-way handshake?

sending echo requests from the source to the destination host to establish the presence of the destination

determining the IP address of the destination host in preparation for data transfer

requesting the destination to transfer a binary file to the source

synchronizing sequence numbers between source and destination in preparation for data transfer


25
Which type of address is 192.168.17.111/28?

host address

network address

broadcast address

multicast address


26
A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?

misconfigured firewall

bad port on switch or hub

misconfigured IP addressing on the customer's workstation

wrong DNS server configured on the customer's workstation

wrong default gateway configured on the customer's workstation


27
The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:

C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1

From which router was this command executed?

A

B

C

D


28
Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.)

ALSwitch(config)# interface vlan 1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# login

ALSwitch(config)# line vty 0 4
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login

ALSwitch(config)# line vty 0 15
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login

ALSwitch(config)# enable secret class
ALSwitch(config)# enable password cisco

ALSwitch(config)# interface fa0/1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# no shutdown

ALSwitch(config)# line cons 0
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login


29
A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?

the POP3 and SMTP server settings in the e-mail application

the patch cable connections at the back of the workstation and at the wall plate

the DHCP settings in the operating system

the IP address, mask, and default gateway values

the NIC drivers


30
Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?

RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2

RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2

RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1

RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0



31
Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)

255.255.255.240

255.255.192.0

255.255.0.0

255.192.0.0

240.0.0.0

255.0.0.0


32
Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)

RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6

RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6

RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6

RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6

RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1

RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6


33
How do port filtering and access lists help provide network security?

They prevent specified types of traffic from reaching specified network destinations.

They alert network administrators to various type of denial of service attacks as they occur.

They prevent viruses, worms, and Trojans from infecting host computers and servers.

They enable encryption and authentication of confidential data communications.


34
Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?

STP

UTP

coaxial

fiber optic


35
What is used by a routing protocol to determine the best path to include in the routing table?

Convergence time

Default distance

Metric

Type of router


36
Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.)

192.168.65.31

192.168.65.32

192.168.65.35

192.168.65.60

192.168.65.63

192.168.65.64


37
Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet?

255.255.0.0

255.255.224.0

255.255.255.0

255.255.255.224

255.255.255.240

255.255.255.248


38
Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)

Syslog

Telnet

HTTP

HTTPS

SNMP


39
What is true regarding the differences between NAT and PAT?

PAT uses the word "overload" at the end of the access-list statement to share a single registered address.

Static NAT allows an unregistered address to map to multiple registered addresses.

Dynamic NAT allows hosts to receive the same global address each time external access is required.

PAT uses unique source port numbers to distinguish between translations.

40
Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.)

The router is connected to a router named Boise.

Router RTB is connected to a Cisco 1841 router.

Router RTB is directly connected to two other routers.

The IP address of the router interface connected to router RTB is 192.168.2.6.

The RTB router is connected to two Cisco devices by Fast Ethernet links.


41
Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network :

RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6

A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?

The ISP must be configured to forward packets from the 192.168.1.0 network.

The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address.

The ip route command should be removed from the RTB router configuration.


42
A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?

SNMP

FTP

DHCP

SMTP


43
What are two purposes of DNS? (Choose two.)

to dynamically assign IP addressing information to network hosts

to simplify the administration of host and default gateway addressing on client computers

to assign TCP port numbers to hosts as part of the data transfer process

to resolve human-readable domain names to numeric IP addresses

to replace the static HOSTS file with a more practical dynamic system


44
A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?

an IDS

an IPS

a host-based firewall

Anti-X software


45
How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

30

256

2046

2048

4094

4096


46
In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?

destination network address

source network address

source MAC address

well known port destination address


47
A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?

Sonet

T3

dialup

DSL

leased line


48
The command copy tftp running-config has been entered on the router. What will this command do?

copy the configuration in RAM to a server

copy the configuration file from a server to RAM

copy the configuration file in NVRAM to RAM

copy the configuration file in NVRAM to a server

copy the configuration file from a server to NVRAM


49
Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)

RTB# ip address 192.168.102.98 255.255.255.248

RTB(config-if)# ip address 192.168.102.99 255.255.255.252

RTB(config)# ip address 192.168.102.97 255.255.255.252

RTB(config)# no shutdown

RTB(config-if)# no shutdown

RTB(config-if)# ip address 192.168.102.97 255.255.255.252


50
Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.)

to map the path to 192.168.1.7

to test reachability to 192.168.1.7

to locate connectivity problems along the route to 192.168.1.7

to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7

to measure the time that packets take to reach 192.168.1.7 and return to the technician's workstation

READ MORE - CCNA 2 Final V4.0

CCNA 2 Chapter 9 V4.1

How many usable host addresses does the 192.168.1.0/25 subnet provide?
254
128
127
126***
64
62

2
A network technician has isolated a problem at the transport layer of the OSI
model. Which question would provide further information about the problem?
Do you have a firewall that is configured on your PC?***
Do you have a link light on your network card?
Is your PC configured to obtain addressing information using DHCP?
What default gateway address is configured in your TCP/IP settings?
Can you ping http://www.cisco.com?

3
Refer to the exhibit. A network administrator is in the process of sending a
preconfigured text file to a router. When the administrator pastes the
configuration into the router, an error message appears. What is the problem with
the IP addressing scheme?
Serial0/0 is configured with a network address.
The IP address on FastEthernet0/0 overlaps with the IP on FastEthernet0/1.
Serial0/1 is configured with a broadcast address.
The IP address on FastEthernet0/0 overlaps with the IP on Serial0/1.***

4
A user can access any web page on the Internet but cannot access e-mail. What
troubleshooting method would be most efficient for troubleshooting this issue?
top-down***
bottom-up
divide-and-conquer
impossible to determine from this information

5
Refer to the exhibit. What are two possible causes for the interface status?
(Choose two.)
The loopback address is not set.
The encapsulation type is mismatched.***
A cable is not attached to the interface.
Keepalive messages are not being received.***
The interface is administratively shut down.

6
Refer to the exhibit. Host H1 on the LAN is not able to access the FTP server
across the Internet. Which two configuration statements are causing this problem?
(Choose two.)
There is no route to the Internet.
The IP address on Fa0/0 is incorrect.
The IP address on S0/0/0 is incorrect.
The NAT command on the Fa0/0 interface is applied in the wrong direction.***
The NAT command on the S0/0/0 interface is applied in the wrong direction.***

7
Which two conditions identify issues that are confined to Layer 1? (Choose two.)
cables that exceed maximum length***
encapsulation errors
viruses and worms that create excessive broadcast traffic
poor termination of cables***
receiving "line protocol down" messages on the router console

8
A network administrator is upgrading a Cisco 1841 router by adding a WIC-2T module
card. Which show command can the administrator use to verify that the module is
correctly recognized by the router?
show flash:
show version***
show ip route
show startup-configuration

9
Hosts on two separate subnets cannot communicate. The network administrator
suspects a missing route in one of the routing tables. Which three commands can be
used to help troubleshoot Layer 3 connectivity issues? (Choose three.)
ping***
show arp
traceroute***
show ip route***
show controllers
show cdp neighbor

10
Refer to the exhibit. Which statement is true regarding the IP address
configuration?
Interfaces Fa0/0 and Fa0/1 can be in the same subnet.
Interface Fa0/0 and NetworkA can be in the same subnet.
Interface Fa0/0 and NetworkB can be in the same subnet.***
Interface Fa0/1 and NetworkB can be in the same subnet.

11
A network administrator plugs a new PC into a switch port. The LED for that port
changes to solid green. What statement best describes the current status of the
port?
There is a duplex mismatch error.
There is a link fault error. This port is unable to forward frames.
The port is operational and ready to transmit packets.***
This port has been disabled by management and is unable to forward frames.
The flash memory is busy.

12
Refer to the exhibit. Which three statements are true about the output of the show
ip interface brief command? (Choose three.)
FastEthernet0/0 is functioning correctly.***
The shutdown command has been applied on Serial0/0.***
FastEthernet0/0 was configured by the startup-config at bootup.
Serial0/0 is experiencing a Layer 1 network problem.
FastEthernet0/1 is experiencing a Layer 2 network problem.***
Because the port is down, Serial0/1 has an IP address that does not show in
the output.

13
Refer to the exhibit. Users on the 10.12.10.0/24 network are unable to access
anyone on the 10.10.10.0/24 network. What two problems exist in the network?
(Choose two.)
R2 is using a different version of RIP.***
R2 has a missing network statement.***
R1 has an incorrect network statement.
R3 has an incorrect network statement.
A routing loop is occurring between all three routers.

14
Refer to the exhibit. The PC is trying to ping router B at 192.168.2.2, but it
fails. What is the problem?
The PC is on the wrong subnet.
The default gateway on the PC should be 192.168.1.1.***
The default gateway should be 192.168.2.2.
The DNS server is incorrect.
The IP address for Fa0/0 on router A is incorrect.

15
An administrator is creating a lab to simulate a WAN connection. During the setup,
the administrator notices that there are different encapsulation types on each end
of the serial connection. At what layer of the OSI model is this problem
occurring?
Layer 2***
Layer 4
Layer 5
Layer 6

16
Refer to the exhibit. A router initially boots up to ROMMON mode. The
administrator enters the dir flash: command and sees the output that is shown.
What should the administrator do next?
Load a new IOS onto the router by the use of TFTP.
Load a new IOS onto the router via XMODEM.
Boot the router using the reset command in ROMMON.***
Erase the file in flash and reboot the router.

17
A PC is able to reach devices that are located both inside and outside the
network. However, when trying to reach an FTP server that is located on the same
subnet, the PC fails to make a connection. The administrator has several other PCs
that are located in the same subnet try a connection to the FTP server and they
are successful. Which troubleshooting tool can be used to determine the problem
between the PC and the FTP server?
cable tester
digital multimeter
protocol analyzer***
network analyzer

18
Refer to the exhibit. Which IP address is misconfigured and is causing
connectivity problems between hosts and servers?
HostA
HostB
Server1
Server2***
R1 Fa0/0
R1 Fa0/1

19
Which problem is associated with Layer 4 of the OSI model?
A firewall is blocking Telnet packets to a host.***
A host has an incorrect IP address.
A router has no route to a host.
A host sent a malformed HTTP request.

20
A user is having trouble accessing the Internet. A network administrator begins by
verifying that the IP address of the PC is correctly configured. Next the
administrator pings the default gateway. Based on this information, what type of
troubleshooting method is the administrator employing?
top-down
bottom-up
divide-and-conquer***
impossible to determine from this information

READ MORE - CCNA 2 Chapter 9 V4.1

CCNA Discovery 2 Chapter 8 V4.1

1. Which AAA service reduces IT operating costs by providing detailed reporting and monitoring of network user behavior, and also by keeping a record of every access connection and device configuration change across the network?

authentication
accreditation
**accounting
authorization


2. Which three items are normally included when a log message is generated by a syslog client and forwarded to a syslog server? (Choose three.)

**date and time of message
**ID of sending device
length of message
**message ID
checksum field
community ID


3. What is the advantage of using WPA to secure a wireless network?

It uses a 128-bit pre-shared hexadecimal key to prevent unauthorized wireless access.
**It uses an advanced encryption key that is never transmitted between host and access point.
It is supported on older wireless hardware, thus providing maximum compatibility with enterprise equipment.
It requires the MAC address of a network device that is requesting wireless access to be on a list of approved MAC addresses.


4. A company wants to configure a firewall to monitor all channels of communication and allow only traffic that is part of a known connection. Which firewall configuration should be deployed?

packet filtering
proxy
**stateful packet inspection
stateless packet inspection


5. A server log includes this entry: User student accessed host server ABC using Telnet yesterday for 10 minutes. What type of log entry is this?

authentication
authorization
**accounting
accessing


6. What two measures help to verify that server backups have been reliably completed? (Choose two.)

**reviewing backup logs
**performing trial backups
performing full backups only
replacing tape backup with hard disk-based backup
using an autoloader when backups require more than one tape


7. Which means of communication does an SNMP network agent use to provide a network management station with important but unsolicited information?

query
broadcast
ICMP ping
**trap
poll


8. Which three protocols are used for in-band management? (Choose three.)

FTP
**HTTP
**SNMP
**Telnet
TFTP
DHCP


9. A hacker has gained access to sensitive network files. In analyzing the attack, it is found that the hacker gained access over a wireless segment of the network. It is further discovered that the only security measure in place on the wireless network is MAC Address Filtering. How is it likely that the hacker gained access to the network?

The hacker used a software tool to crack the shared hexadecimal wireless key.
**The hacker obtained the MAC address of a permitted host, and cloned it on his wireless laptop NIC.
The attacker mounted a denial of service attack to overwhelm the firewall before penetrating the wireless LAN.
The hacker gained wireless access to the MAC address database and added his own MAC address to the list of permitted addresses.


10. A network administrator is assigning network permissions to new groups of users and employing the principle of least privilege. Which two actions should the administrator take? (Choose two.)

**Provide users with only the access to resources required to do their jobs.
**Provide the minimum level of permissions required for users to do their jobs.
Remove all permissions from the users and grant permissions as they are requested.
Allow users to decide how much permission they need to accomplish their job tasks.
Provide full access to the users and gradually remove privileges over time.


11. Which three protocols describe methods that can be used to secure user data for transmission across the internet? (Choose three.)

SMTP
**IPSEC
**SSL
**HTTPS
FTP
TFTP


12. Which benefit does SSH offer over Telnet when remotely managing a router?

**encryption
TCP usage
authorization
connection using six VTY lines


13. Which of the following does SNMP use to hold information collected about the network?

network management station
network management database
**management information base
database information agent


14. What are two potential problems with using tape media to back up server data? (Choose two.)

Tape is not a cost-effective means of backing up data.
Data tapes are difficult to store offsite.
**Data tapes are prone to failure and must be replaced often.
**Tape drives require regular cleaning to maintain reliability.
Backup logs are not available with tape backup solutions.


15. What is the term for the public network between the boundary router and the firewall?

"clean" LAN
intranet
**DMZ
extranet


16. Which two characteristics of network traffic are being monitored if a network technician configures the company firewall to operate as a packet filter? (Choose two.)

applications
physical addresses
packet size
**ports
**protocols


17. When is the use of out-of-band network management necessary?

when a server needs to be monitored across the network
**when the management interface of a device is not reachable across the network
when enhanced monitoring features are required to gain an overall view of the entire network
when it is desirable to use the information that is provided by SNMP


18. What network layer security protocol can secure any application layer protocol used for communication?

HTTPS
IMAP
FTPS
**IPSEC
TLS


19. Before a technician upgrades a server, it is necessary to back up all data. Which type of backup is necessary to ensure that all data is backed up?

daily
differential
**full
incremental
partial


20. What AAA component assigns varying levels of rights to users of network resources?

auditing
accounting
**authorization
access control
authentication
acknowledgement

READ MORE - CCNA Discovery 2 Chapter 8 V4.1

CCNA 2 Chapter 8 V4.0

1
Which AAA service reduces IT operating costs by providing detailed reporting and monitoring of network user behavior, and also by keeping a record of every access connection and device configuration change across the network?

authentication

accreditation

*accounting

authorization


2
Which three items are normally included when a log message is generated by a syslog client and forwarded to a syslog server? (Choose three.)

*date and time of message

*ID of sending device

length of message

*message ID

checksum field

community ID


3
What is the advantage of using WPA to secure a wireless network?

*It uses a 128-bit pre-shared hexadecimal key to prevent unauthorized wireless access.

It uses an advanced encryption key that is never transmitted between host and access point.

It is supported on older wireless hardware, thus providing maximum compatibility with enterprise equipment.

It requires the MAC address of a network device that is requesting wireless access to be on a list of approved MAC addresses.


4
A company wants to configure a firewall to monitor all channels of communication and allow only traffic that is part of a known connection. Which firewall configuration should be deployed?

*packet filtering

proxy

stateful packet inspection

stateless packet inspection


5
A server log includes this entry: User student accessed host server ABC using Telnet yesterday for 10 minutes. What type of log entry is this?

authentication

authorization

*accounting

accessing


6
What two measures help to verify that server backups have been reliably completed? (Choose two.)

*reviewing backup logs

*performing trial backups

performing full backups only

replacing tape backup with hard disk-based backup

using an autoloader when backups require more than one tape


7
Which means of communication does an SNMP network agent use to provide a network management station with important but unsolicited information?

query

broadcast

ICMP ping

trap

*poll


8
Which three protocols are used for in-band management? (Choose three.)

FTP

HTTP

*SNMP

*Telnet

*TFTP

DHCP


9
A hacker has gained access to sensitive network files. In analyzing the attack, it is found that the hacker gained access over a wireless segment of the network. It is further discovered that the only security measure in place on the wireless network is MAC Address Filtering. How is it likely that the hacker gained access to the network?

The hacker used a software tool to crack the shared hexadecimal wireless key.

*The hacker obtained the MAC address of a permitted host, and cloned it on his wireless laptop NIC.

The attacker mounted a denial of service attack to overwhelm the firewall before penetrating the wireless LAN.

The hacker gained wireless access to the MAC address database and added his own MAC address to the list of permitted addresses.


10
A network administrator is assigning network permissions to new groups of users and employing the principle of least privilege. Which two actions should the administrator take? (Choose two.)

*Provide users with only the access to resources required to do their jobs.

Provide the minimum level of permissions required for users to do their jobs.

Remove all permissions from the users and grant permissions as they are requested.

*Allow users to decide how much permission they need to accomplish their job tasks.

Provide full access to the users and gradually remove privileges over time.


11
Which three protocols describe methods that can be used to secure user data for transmission across the internet? (Choose three.)

SMTP

*IPSEC

*SSL

*HTTPS

FTP

TFTP


12
Which benefit does SSH offer over Telnet when remotely managing a router?

*encryption

TCP usage

authorization

connection using six VTY lines


13
Which of the following does SNMP use to hold information collected about the network?

network management station

*network management database

management information base

database information agent


14
What are two potential problems with using tape media to back up server data? (Choose two.)

*Tape is not a cost-effective means of backing up data.

Data tapes are difficult to store offsite.

Data tapes are prone to failure and must be replaced often.

*Tape drives require regular cleaning to maintain reliability.

Backup logs are not available with tape backup solutions.


15
What is the term for the public network between the boundary router and the firewall?

"clean" LAN

intranet

*DMZ

extranet

16
Which two characteristics of network traffic are being monitored if a network technician configures the company firewall to operate as a packet filter? (Choose two.)

applications

physical addresses

packet size

*ports

*protocols


17
When is the use of out-of-band network management necessary?

when a server needs to be monitored across the network

*when the management interface of a device is not reachable across the network

when enhanced monitoring features are required to gain an overall view of the entire network

when it is desirable to use the information that is provided by SNMP


18
What network layer security protocol can secure any application layer protocol used for communication?

HTTPS

IMAP

FTPS

*IPSEC

TLS


19
Before a technician upgrades a server, it is necessary to back up all data. Which type of backup is necessary to ensure that all data is backed up?

daily

differential

*full

incremental

partial


20
What AAA component assigns varying levels of rights to users of network resources?

auditing

accounting

authorization

access control

*authentication

acknowledgement

READ MORE - CCNA 2 Chapter 8 V4.0

CCNA 2 Chapter 7 V4.1

1. Which two statements are true about the OSI and TCP/IP models? (Choose two.)
The two bottom layers of the TCP/IP model make up the bottom layer of the OSI model.
The TCP/IP model is a theoretical model and the OSI model is based on actual protocols.
• The OSI network layer is comparable to the Internet layer of the TCP/IP model.
The TCP/IP model specifies protocols for the physical network interconnection.
• The TCP/IP model is based on four layers and the OSI model is based on seven layers.

2. To meet customer expectations, an ISP must guarantee a level of service that is based on what two factors? (Choose two.)
accessibility
adaptability
• availability
• reliability
scalability

3. User1 is sending an e-mail to User2@cisco.com. What are two characteristics of the process of sending this data? (Choose two.)
• It utilizes TCP port 110.
A TCP connection is established directly between the User1 and User2 client computers in order to send the e-mail message.
• It utilizes a store and forward process.
The same application layer protocol is used to send the e-mail and retrieve it from the destination server.
SMTP is used to send the e-mail message to the mail servers.

4. Refer to the exhibit. Host1 is in the process of setting up a TCP session with Host2. Host1 has sent a SYN message to begin session establishment. What happens next?
Host1 sends an ACK message to Host2.
Host1 sends a SYN message to Host2.
Host1 sends a SYN-ACK message to Host2.
Host2 sends an ACK message to Host1.
Host2 sends a SYN message to Host1.
• Host2 sends a SYN-ACK message to Host1.

5. What are three characteristics of network reliability? (Choose three.)
• Redundant hardware provides enhanced reliability.
Reliability is measured as a percent.
Reliability is the responsibility of the ISP customers.
• Fault tolerance is a measure of reliability.
• The longer the MTBF, the greater the reliability.

6. Which two statements describe the FTP protocol? (Choose two.)
It uses well-known port 23.
The protocol interpreter is responsible for the data transfer function.
• In passive data connections, the FTP client initiates the transfer of data.
• It requires two connections between client and server.
FTP servers open a well-known port on the client machine.

7. What is the function of the TCP three-way handshake?
• It enables the synchronization of port numbers between source and destination hosts.
It immediately triggers the retransmission of lost data.
• It synchronizes both ends of a connection by allowing both sides to agree upon initial sequence numbers.
It identifies the destination application on the receiving host.

8. What are three characteristics of HTTPS? (Choose three.)
It uses a different client request-server response process than HTTP uses.
It specifies additional rules for passing data between the application and data link layers.
• It supports authentication.
It allows more simultaneous connections than HTTP allows.
• It encrypts packets with SSL.
• It requires additional server processing time.

9. Which DNS zone resolves an IP address to a qualified domain name?
dynamic lookup
forward lookup
resolution lookup
• reverse lookup

10.











What type of update allows client computers to register and update their resource records with a DNS server whenever changes occur?
• dynamic
zone transfer
local recursive query
root domain query
top-level domain query

11. Refer to the exhibit. Which two statements are true about this file? (Choose two.)
If the gateway address changes, the file will be updated dynamically.
• The command ping fileserv will use IP address 172.16.5.10.
• If the ping http://www.cisco.com command is issued, the file will be checked for the Cisco web server IP address before DNS is queried.
The file must be created by the user if it is to be used by a workstation.
Name to IP address mappings are added to the file after they are received from DNS.

12. Which two tasks are the responsibility of the local DNS server? (Choose two.)
maintaining a large number of cached DNS entries
maintaining the ISP server
• mapping name-to-IP addresses for internal hosts
• forwarding name resolution requests to a caching-only server
forwarding all name resolution requests to root servers on the Internet

13. What are three unique characteristics of UDP? (Choose three.)
connection oriented
full-duplex operation
• low overhead
• no flow control
• no error-recovery function
reliable transmission

14. A manufacturing company is looking into subscribing to services from a new ISP. The company requires hosted world wide web, file transfer, and e-mail services. Which three protocols represent the key application services that are required by the company? (Choose three.)
• FTP
• HTTP
ICMP
PPP
Telnet
• SMTP

15. Which two options correctly match protocol and well-known port number? (Choose two.)
DNS - 25
FTP - 110
• HTTP - 80
POP3 - 25
• SMTP - 25

16. Within TCP, what combination makes up a socket pair?
source port with destination port
source IP address with destination port
source IP address and destination IP address
• source IP address and port with a destination IP address and port

17. Which protocol is used to send e-mail, either from a client to a server or from a server to another server?
SNMP
FTP
• SMTP
HTTPS

18. Refer to the exhibit. The PC is requesting HTTP data from the server. What is a valid representation of source and destination sockets for this request?
Source - 192.168.1.17:80 ; Destination - 192.168.2.39:80
Source - 192.168.1.17:80 ; Destination - 192.168.2.39:1045
• Source - 192.168.1.17:1045 ; Destination - 192.168.2.39:80
Source - 192.168.1.17:1045 ; Destination - 192.168.2.39:1061

19. What type of DNS server is typically maintained by an ISP?
• caching-only
root
second-level
top-level

20. A client is communicating with a server on a different segment of the network. How does the server determine what service is being requested by the client?
The server will apply the default service configured in directory services.
The server will use ARP to discover the appropriate service from the local router.
The server will send a request to the client asking for the appropriate service.
• The server will determine the appropriate service from the destination port field.

21.










When a host is communicating with multiple applications on the same server at the same time, which of the following will have the same value for each session? (Choose two.)
• IP address
• MAC address
session number
sequence number


22. Which three fields do a TCP header and UDP header have in common? (Choose three.)
• checksum
• destination port
• source port

READ MORE - CCNA 2 Chapter 7 V4.1

CCNA 2 Chapter 7 V4.0

1. Which two statements are true about the OSI and TCP/IP models? (Choose two.)
The two bottom layers of the TCP/IP model make up the bottom layer of the OSI model.
The TCP/IP model is a theoretical model and the OSI model is based on actual protocols.
• The OSI network layer is comparable to the Internet layer of the TCP/IP model.
The TCP/IP model specifies protocols for the physical network interconnection.
• The TCP/IP model is based on four layers and the OSI model is based on seven layers.

2. To meet customer expectations, an ISP must guarantee a level of service that is based on what two factors? (Choose two.)
accessibility
adaptability
• availability
• reliability
scalability

3. User1 is sending an e-mail to User2@cisco.com. What are two characteristics of the process of sending this data? (Choose two.)
• It utilizes TCP port 110.
A TCP connection is established directly between the User1 and User2 client computers in order to send the e-mail message.
It utilizes a store and forward process.
The same application layer protocol is used to send the e-mail and retrieve it from the destination server.
• SMTP is used to send the e-mail message to the mail servers.

4. Refer to the exhibit. Host1 is in the process of setting up a TCP session with Host2. Host1 has sent a SYN message to begin session establishment. What happens next?
Host1 sends an ACK message to Host2.
Host1 sends a SYN message to Host2.
Host1 sends a SYN-ACK message to Host2.
Host2 sends an ACK message to Host1.
Host2 sends a SYN message to Host1.
• Host2 sends a SYN-ACK message to Host1.

5. What are three characteristics of network reliability? (Choose three.)
• Redundant hardware provides enhanced reliability.
Reliability is measured as a percent.
Reliability is the responsibility of the ISP customers.
• Fault tolerance is a measure of reliability.
• The longer the MTBF, the greater the reliability.

6. Which two statements describe the FTP protocol? (Choose two.)
It uses well-known port 23.
• The protocol interpreter is responsible for the data transfer function.
• In passive data connections, the FTP client initiates the transfer of data.
It requires two connections between client and server.
FTP servers open a well-known port on the client machine.

7. What is the function of the TCP three-way handshake?
• It enables the synchronization of port numbers between source and destination hosts.
It immediately triggers the retransmission of lost data.
It synchronizes both ends of a connection by allowing both sides to agree upon initial sequence numbers.
It identifies the destination application on the receiving host.

8. What are three characteristics of HTTPS? (Choose three.)
It uses a different client request-server response process than HTTP uses.
It specifies additional rules for passing data between the application and data link layers.
• It supports authentication.
It allows more simultaneous connections than HTTP allows.
• It encrypts packets with SSL.
• It requires additional server processing time.

9. Which DNS zone resolves an IP address to a qualified domain name?
dynamic lookup
forward lookup
resolution lookup
• reverse lookup

10.









What type of update allows client computers to register and update their resource records with a DNS server whenever changes occur?
• dynamic
zone transfer
local recursive query
root domain query
top-level domain query

11. Refer to the exhibit. Which two statements are true about this file? (Choose two.)
If the gateway address changes, the file will be updated dynamically.
• The command ping fileserv will use IP address 172.16.5.10.
If the ping http://www.cisco.com command is issued, the file will be checked for the Cisco web server IP address before DNS is queried.
The file must be created by the user if it is to be used by a workstation.
Name to IP address mappings are added to the file after they are received from DNS.

12. Which two tasks are the responsibility of the local DNS server? (Choose two.)
maintaining a large number of cached DNS entries
maintaining the ISP server
• mapping name-to-IP addresses for internal hosts
• forwarding name resolution requests to a caching-only server
forwarding all name resolution requests to root servers on the Internet

13. What are three unique characteristics of UDP? (Choose three.)
connection oriented
full-duplex operation
• low overhead
• no flow control
• no error-recovery function
reliable transmission

14. A manufacturing company is looking into subscribing to services from a new ISP. The company requires hosted world wide web, file transfer, and e-mail services. Which three protocols represent the key application services that are required by the company? (Choose three.)
• FTP
• HTTP
ICMP
PPP
Telnet
• SMTP

15. Which two options correctly match protocol and well-known port number? (Choose two.)
DNS - 25
FTP - 110
• HTTP - 80
POP3 - 25
• SMTP - 25

16. Within TCP, what combination makes up a socket pair?
source port with destination port
source IP address with destination port
source IP address and destination IP address
• source IP address and port with a destination IP address and port

17. Which protocol is used to send e-mail, either from a client to a server or from a server to another server?
SNMP
FTP
• SMTP
HTTPS

18. Refer to the exhibit. The PC is requesting HTTP data from the server. What is a valid representation of source and destination sockets for this request?
Source - 192.168.1.17:80 ; Destination - 192.168.2.39:80
• Source - 192.168.1.17:80 ; Destination - 192.168.2.39:1045
Source - 192.168.1.17:1045 ; Destination - 192.168.2.39:80
Source - 192.168.1.17:1045 ; Destination - 192.168.2.39:1061

19. What type of DNS server is typically maintained by an ISP?
• caching-only
root
second-level
top-level

20. A client is communicating with a server on a different segment of the network. How does the server determine what service is being requested by the client?
The server will apply the default service configured in directory services.
The server will use ARP to discover the appropriate service from the local router.
The server will send a request to the client asking for the appropriate service.
• The server will determine the appropriate service from the destination port field.

21.








When a host is communicating with multiple applications on the same server at the same time, which of the following will have the same value for each session? (Choose two.)
• IP address
• MAC address
session number
sequence number

READ MORE - CCNA 2 Chapter 7 V4.0