CCNA 1 Final 2012 Exam Answers – Set-1

Which of the following are the address ranges of the private IP addresses? (Choose three.)

10.0.0.0 to 10.255.255.255 
200.100.50.0 to 200.100.25.255
150.150.0.0 to 150.150.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255 
127.16.0.0 to 127.31.255.255

Which two functions of the OSI model occur at layer two? (Choose two.)

physical addressing 
encoding
routing
cabling
media access control

Refer to the exhibit. What function does router RT_A need to provide to allow Internetaccess for hosts in this network?

address translation
DHCP services
ftpd
web server

What is true regarding network layer addressing? (Choose three.)

uses a flat structure
prevent broadcasts
heirarchical
uniquely identifies each host
48 bits in length
contains a network portion

Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC address 0050.7320.D632 and the destination MAC address 0030.8517.44C4. The packet inside the captured frame has an IP source address 192.168.7.5, and the destination IP address is 192.168.219.24. At which point in the network was this packet captured?

leaving host A
leaving ATL
leaving Dallas 
leaving NYC

Refer to the exhibit. Assume all devices are using default configurations. How many subnets are required to address the topology that is shown?

1
3
4
5
7

A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most secure?

console
enable
enable secret 
VTY

Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational?

127.0.0.1
192.168.64.196
192.168.254.1 
192.168.254.9
192.168.254.254

Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission?

application
presentation
session
transport

When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?

IP
UDP
Ethernet
a connectionless acknowledgement
an upper-layer, connection-oriented protocol or service

Refer to the exhibit. Host C is able to ping 127.0.0.1 successfully, but is unable to communicate with hosts A and B in the organization. What is the likely cause of the problem?

Hosts A and B are not on the same subnet as host C.
The IP addresses on the router serial interfaces are wrong.
The subnet mask on host C is improperly configured. 
The FastEthernet interface fa0/0 of router 1 is wrongly configured.

Refer to the exhibit. Which list refers only to end devices?

D,E,F,G
A,H,B,C
A,D,E,F
A,D,E,G

Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame?

It will drop the frame.
It will send the frame back to host A.
It will send the frame to all hosts except host A. 
It will forward the frame to the default gateway.

Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0?

255.255.0.0
255.255.254.0
255.255.252.0
255.255.248.0 
255.255.240.0
255.255.255.128

Refer to the exhibit. RouterB is configured properly. The Ethernet interface Fa0/0 of RouterA is configured with the use of the commands that are shown. However, a ping from the Fa0/0 interface of RouterA to the Fa0/0 interface of RouterB is unsuccessful. What action should be taken on RouterA to solve this problem?

Use the description command on the FastEthernet interface Fa0/0.
Configure the clock rate of the FastEthernet interface Fa0/0.
Use the no shutdown command on the FastEthernet interface Fa0/0. 
Reboot the router.

To send data through a network, what two flags are used to establish a session? (Choose two.)

ACK 
CRC
SYN 
Ack #
Port #
Seq #

Which statement is true about the TTL value of an IPv4 packet?

It determines the priority of a packet.
It specifies the remaining “life” of the packet.
It indicates that the packet has been fragmented.
It denotes the data payload type that the packet is carrying.

Refer to the exhibit. Communication for hosts X and Y is restricted to the local network. What is the reason for this?

Host X is assigned a network address.
Host Y is assigned a multicast address.
Host X and host Y belong to different networks.
The gateway addresses are broadcast addresses.

What type of network is maintained if a server takes no dedicated role in the network?

mainframe
client/server
peer-to-peer
centralized

A routing issue has occurred in your internetwork. Which of the following type of devices should be examined to isolate this error?

access point
host
hub
router 
switch

Which physical component is used to access and perform the initial configuration on a new unconfigured router?
Correct answer is image 2 , CONSOLE !

A user sees the command prompt: Router(config-if)# . What task can be performed at this mode?

Reload the device.
Perform basic tests.
Configure individual interfaces. 
Configure individual terminal lines.

What is the correct order for PDU encapsulation?
Correct answer is first image !

What information can be gathered by using the command netstat?

the default gateway
the routing protocol
active TCP connections
the locally configured subnet mask

How can ARP be used to help document the network?

It can list each hop on the way to a destination host.
It can show the average latency of hosts on the network.
It can provide a list of physical addresses on the network.
It can indicate which hosts are not responding to network traffic.

What is the protocol data unit that is associated with the data link layer of the OSI reference model?

data
frame
packet
segment

Which application layer protocol allows administrators to log into a server from remote locations and control a server as though logged in locally?

DNS
FTP
DHCP
SMTP
Telnet

Which statement identifies the DNS protocol?

It transmits information using TCP port 25.
It transfers and conveys information using HTML pages.
It matches a resource name with the required network address.
It requests and assigns an IP address, default gateway, and server addresses to hosts.

Which password would allow a user to establish a Telnet session with a Cisco device?

VTY password
enable password
console password
enable secret password

Which identifier is contained in the header of the Layer 2 Ethernet frame?

timing and synchronization of bits
source and destination port numbers
logical source and destination addresses
physical source and destination addresses

What happens when a node on an Ethernet network is creating a frame and it does not have the destination MAC address?

The node drops the frame.
The node sends out a Layer 3 broadcast message.
The node sends a message directly to the router for the address.
The node sends out an ARP request with the destination IP address.

An administrator makes changes to the default configuration of a router and saves them to NVRAM. After testing, it is discovered that the configurations did not have the desired effect and must be removed. What steps must be taken to remove the changes and return the router to the default configuration?

Reboot the router.
Use no version of the commands that are issued.
Issue the erase startup-config command, and then reboot the router.
Issue the erase running-config command, and then reboot the router.

A network administrator is tasked with connecting two workgroups that are configured to use different subnets. Which device should be selected to allow connectivity between users on the two networks?

hub
switch
router
wireless access point

Which two programs can be used to accomplish terminal emulation for configuring a router from the CLI through the console port? (Choose two.)

HyperTerminal
Internet Explorer
Minicom
Secure Shell
Telnet

Which statement accurately describes file sharing in a peer-to-peer network?

A dedicated server is required.
Access control is decentralized.
Files are typically stored on the most powerful peer in the network.
Peers can either make requests, or respond to requests, but not both.

What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)

frame delimiting
data encapsulation
logical addressing
error detection
accessing the media

Which router configuration mode would an administrator use to configure the router for SSH or Telnet login access?

line
router
global
interface
privileged EXEC

Refer to the exhibit. Which device should be included in the network topology to provide Layer 2 connectivity for all LAN devices, provide multiple collision domains, and also provide a connection to the rest of the network?

server
hub
switch
PC

Refer to the exhibit. A technician has been asked to test connectivity from PC1 to a remote network. Which action will indicate if there is remote connectivity?
Correct answer is first image !

What purpose does a hostname serve on a router?

uniquely identifies a router on the internet
used by routing protocols to identify peer routers
provides device identification to users logging on remotely
determines the hosts that are allowed to connect to the device

Which prompt is associated with the privileged exec mode?

R1>
R1#
R1(config)#
R1(config-router)#

A technician wishes to connect two computers to move data from one to the other before reloading the operating system. The NICs on both PCs do not support autosensing feature. Which procedure will satisfy the requirement?

Interconnect the two PCs with a rollover cable.
Interconnect the two PCs with two rollover cables and a hub.
Interconnect the two PCs with a crossover cable.
Interconnest the two PCs with two crossover cables and a hub.

Refer to the exhibit. Interface Fa0/0 on router A is generating excessive broadcast traffic. Which LAN segments will affected by the excessive broadcasts?

Only the 192.168.1.200/30 network will be affected.
Only the link between 192.168.1.201 and port Fa0/5 on SW1 will be affected.
Both the 192.168.1.200/30 and 192.168.1.204/30 networks will be affected.
Only the links between 192.168.1.201 and port Fa0/7 on SW2 will be affected.

Two routers are connected via their serial ports in a lab environment. The routers are configured with valid IP addresses, but they cannot ping each other. The show interface serial0/0 command shows that the serial0/0 interface is up but the line protocol is down. What could be the cause of this problem?

The no shutdown command has not been applied to the interfaces.
The clock rate command has not been entered on the DCE interface.
The interface timers are not cleared.
The FastEthernet interface is emulating a serial interface by assigning it a timing signal.

Refer to the exhibit. Which layered network model is shown in the diagram?

Cisco
IETF
OSI
TCP/IP

Refer to the exhibit. Host A is unable to reach host B on the remote network. A technician attempted to ping the local gateway and the ping was successful. To verify the host configuration, the technician issued the ipconfig command. What is the likely cause of the problem?

The local NIC is incorrectly configured.
The subnet mask on host A is incorrectly configured.
The IP address on host A is incorrectly configured.
The default gateway on host A is incorrectly configured.

Which option shows how a router will route packets to a remote network?
Correct answer is image 4 !

An organization has been assigned network ID 10.10.128.0 and subnet mask 255.255.224.0. Which IP address range can be used for this organization?

10.10.128.0 to 10.10.160.255
10.10.128.0 to 10.10.159.255
10.10.128.0 to 10.10.192.255
10.10.128.0 to 10.10.0.159
10.10.128.0 to 10.10.159.0

A network administrator is configuring several switches for a network. The switches have similar configurations and only minor differences. The administrator wants to save all commands that are issued on the first switch to a text file for editing. Which transfer option should be selected in HyperTerminal?
Correct answer is image 3, CAPTURE TEXT !

CCNA 1 Chapter-11 Network Fundamentals (V4.0) Answer

1.

Refer to the exhibit. What command will place the router into the correct mode to configure an appropriate interface to connect to a LAN?

UBAMA# configure terminal

UBAMA(config)# line vty 0 4

UBAMA(config)# line console 0

UBAMA(config)# interface Serial 0/0/0

UBAMA(config)# interface FastEthernet 0/1

2. In a Cisco router, when do changes made to the running-configuration take effect?

after a system restart

**as the commands are entered

when logging off the system

when the configuration is saved to the startup-configuration

3.

Refer to the exhibit. A technician applies the configuration in the exhibit to a clean router. To verify the configuration, the technician issues the show running-config command in the CLI session with the router. What lines should the technician expect to see in the router output from the show running-config command?

enable password class
line console 0
password ccna

enable secret cisco
enable password class
line console 0
password ccna

enable secret 5 $1$v0/3$QyQWmJyT7zCa/yaBRasJm0
enable password class
line console 0
password ccna

enable secret cisco
enable password 7 14141E0A1F17
line console 0
password 7 020507550A

enable secret 5 $1$v0/3$QyQWmJyT7zCa/yaBRasJm0
enable password 7 14141E0A1F17
line console 0
password 7 020507550A

4. When network services fail, which port is most often used to access a router for management purposes?

AUX

Ethernet

Console

Telnet

SSH

5.

Refer to the exhibit. A network administrator on HostA has problems accessing the FTP server. Layer three connectivity testing was successful from HostA to the S1 interface of RouterB. Which set of commands will allow the network administrator to telnet to RouterB and run debug commands?

RouterB(config)# enable secret class
RouterB(config)# line vty 0 4
RouterB(config-if)# login

RouterB(config)# enable secret class
RouterB(config)# line vty 0 2
RouterB(config-vty)# password cisco
RouterB(config-vty)# login

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

RouterB(config)# enable secret class
RouterB(config)# line aux 0
RouterB(config-line)# password cisco
RouterB(config-line)# login

RouterB(config)# enable secret class
RouterB(config)# line aux 0
RouterB(config-vty)# password cisco
RouterB(config-vty)# login

6. Users in the network are experiencing slow response time when doing file transfers to a remote server. What command could be issued to determine if the router has experienced any input or output errors?

show running-config

show startup-config

show interfaces

show ip route

show version

show memory

7.

Refer to the exhibit. Which names correctly identify the CLI mode represented by the prompt for Switch-East4#? (Choose two.)

line configuration mode

user executive mode

global configuration mode

privileged executive mode

interface configuration mode

enable mode

8. What command is used to change the default router name to Fontana?

Router# name Fontana

Router# hostname Fontana

Router(config)# name Fontana

Router(config)# hostname Fontana

9.

The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

Sydney(config-if)# ip address 201.100.53.2 255.255.255.0

Sydney(config-if)# no shutdown

Sydney(config-if)# ip address 201.100.53.1 255.255.255.224

Sydney(config-if)# clock rate 56000

Sydney(config-if)# ip host Melbourne 201.100.53.2

10.

Refer to the exhibit. The output is shown for the show ip route command executed on Router A. What does the IP address 192.168.2.2 represent?

Gateway for the 192.168.1.0 network

Gateway for the 192.168.3.0 network

IP assigned to the serial port on Router A

IP assigned to the serial port on Router B

11.
 

Refer to the exhibit. What additional command is required to allow remote access to this switch?

NA-SW1(config-if)# no shutdown

NA-SW1(config)# enable password password

NA-SW1(config)# ip default-gateway address

NA-SW1(config-if)# description description

12. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

show flash

show NVRAM

show startup-config

show running-config

show version

13. Which three terms correctly define the forms of help available within the Cisco IOS? (Choose three.)

hot keys

context-check

context-sensitive

structured check

command override

command syntax check

14.
 

Refer to the exhibit. A student is responsible for the IP addressing, configuration and connectivity testing of the network shown in the graphic. A ping from host B to host C results in a destination unreachable but a ping from host B to host A was successful. What two reasons could account for this failure based on the graphic and partial router output for the Dallas router? (Choose two.)

The host A is turned off.

The Fa0/0 interface on Dallas is shutdown.

The LAN cable is disconnected from host B.

The S0/0/1 IP address of Dallas is improperly configured.

The Fa0/0 interface on Dallas is in a different subnet than host B.

The clock rate is missing on the serial link between Dallas and NYC.

15. Which combination of keys would be used at the CLI prompt to interrupt a ping or traceroute process?

Ctrl-C

Ctrl-P

Ctrl-R

Ctrl-Shift-6

Ctrl-Z

16.

The connection between routers B and C has been successfully tested. However, after rebooting router C, the administrator noticed the response time between networks 10.10.3.0 and 10.10.4.0 is slower. Ping between the two routers is successful. A trace route indicates three hops from router B to router C. What else can be done to troubleshoot the problem?

Ping router B S0/1 connection from router C.

Trace the connection between router B to router C S0/1.

Issue a show ip route command in router B to verify routing is enabled.

Issue a show interfaces command on router C.

17. In a Cisco device, where is the IOS file stored prior to system startup?

RAM

ROM

Flash

NVRAM

18. On a Cisco router, which interface would be used to make the initial configuration?

   

Option 1 Console

19. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a router to manage it. Which access method should be chosen?

Telnet

Console

AUX

SSH

CCNA 1 Chapter-10 Network Fundamentals (V4.0) Answer

1.

Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)

connecting a PC to a router’s console port

connecting two routers together via their fast ethernet ports

connecting two switches together at gigabit speeds

connecting a PC to a switch at Gigabit Ethernet speeds

connecting two devices with the same interface type at Fast Ethernet speeds

2. Which three statements are true about the role of routers in the network? (Choose three.)

They propagate broadcasts.

They enlarge collision domains.

They segment broadcast domains.

They interconnect different network technologies.

Each router interface requires a separate network or subnet.

They maintain a common frame format between LAN and WAN interfaces.

3.

Refer to the exhibit. A network administrator has decided to use packet capture software to evaluate all traffic from the student subnet on the way to the Internet. To ensure that all packets are captured, what network device should be used to connect the monitoring station to the network between R1 and R2?

router

hub

switch

wireless access point

4. A network administrator is required to use media in the network that can run up to 100 meters in cable length without using repeaters. The chosen media must be inexpensive and easily installed. The installation will be in a pre-existing building with limited cabling space. Which type of media would best meet these requirements?

STP

UTP

coaxial

single-mode fiber

multimode fiber

5.

Refer to the exhibit. Which three statements are true about the exhibited topology? (Choose three.)

Hosts B and C are in the same subnet.

Five broadcast domains are present.

Host B is using a crossover cable to connect to the router.

Four broadcast domains are present.

Five networks are shown.

Host B is using a rollover cable to connect to the router.

6. Which three types of connectors are commonly associated with Cisco’s V.35 serial cables? (Choose three.)

RJ 11

DB 60

Winchester 15 pin

DB 9

smart serial

RJ 45

7. 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

8.

Refer to the exhibit. Based on the IP configuration shown, what would be the result of Host A and Host B attempting to communicate outside the network segment?

both host A and B would be successful

host A would be successful, host B would fail

host B would be successful, host A would fail

both Host A and B would fail

9.

Refer to the exhibit. What destination IP address will PC1 place in the header for a packet destined for PC2?

192.168.1.1

192.168.2.1

192.168.2.2

192.168.3.1

192.168.3.54

10.

Refer to the exhibit. Which three statements identify the type of cabling that would be used in the segments that are shown? (Choose three.)

Segment 1 uses backbone cabling.

Segment 1 uses a patch cable.

Segment 3 uses patch cabling.

Segment 3 uses vertical cabling.

Segment 3 uses horizontal cabling.

Segment 4 uses vertical cabling.

11. A company is planning to subnet its network for a maximum of 27 hosts. Which subnet mask would provide the needed hosts and leave the fewest unused addresses in each subnet?

255.255.255.0

255.255.255.192

**255.255.255.224

255.255.255.240

255.255.255.248

12.

Refer to the exhibit. A student is setting up a home network primarily used for extensive file transfers, streaming video, and gaming. Which network device is best suited to these types of activities in the topology shown?

wireless access point

router

hub

switch

13.

Refer to the exhibit. How many subnets are required to support the network that is shown?

2

3

4

5

14. What does the term "attenuation" mean in data communication?

loss of signal strength as distance increases

time for a signal to reach its destination

leakage of signals from one cable pair to another

strengthening of a signal by a networking device

15. To establish a console connection from a computer to a Cisco router, which cable wiring option would be used?

crossover cable

straight through cable

rollover cable

V.35 cable

16. What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)

greater distances per cable run

lower installation cost

limited susceptibility to EMI/RFI

durable connections

greater bandwidth potential

easily terminated

17.

Refer to the exhibit. A network technician has been allocated the 192.168.1.0/24 private IP address range for use in the network that shown in the exhibit. Which subnet mask would be used to meet the host requirements for segment A of this internetwork?

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.248

18. Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?

255.255.0.0

255.255.255.0

255.255.254.0

255.255.248.0

19. What type of network cable is used between a terminal and a console port?

cross-over

straight-through

rollover

patch cable

20. Which option identifies the primary interface which would be used for initial configuration of a Cisco router?

AUX interface

Ethernet interface

serial interface

console interface

21. What are two common methods for setting a UTP Ethernet port to MDI or MDIX operation? (Choose two.)

cable color code association

cable selection and configuration

use of cable testers to determine pinouts

the automatic detection and negotiating of MDI/MDIX operation of the port

the enabling of the mechanism to electrically swap the transmit and receive pairs

22. Which device is used to create or divide broadcast domains?

hub

switch

bridge

router

repeater

23.

Refer to the exhibit. Assume that all devices are using default settings. How many subnets are required to address the topology that is shown?

1

3

4

5

7

24. What are three common methods for setting a UTP Ethernet port to MDI or MDIX operation? (Choose three.)

direct configuration of the device

cable color code association

cable selection and configuration

use of cable testers to determine pinouts

the enabling of the mechanism to electrically swap the transmit and receive pairs

the automatic detection and negotiating of MDI/MDIX operation of the port.