CCNA 1 - Final Exam Answers


1
A PC can not connect to any remote websites, ping its default gateway, or ping a printer that is functioning properly on the local network segment. Which action will verify that the TCP/IP stack is functioning correctly on this PC?
Use the ipconfig /all command at the host’s command prompt.
Use the ping 127.0.0.1 command at the command prompt.
Use the traceroute command at the command prompt to identify any failures on the path to the gateway.
Use FTP to check for connectivity to remote sites.
Download a troubleshooting tool from the PC manufacturer's website.

2

Refer to the exhibit. Which set of devices contains only intermediary devices?
A, B, D, G
A, B, E, F
C, D, G, I
G, H, I, J

3

Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?
only computer D
only computer A and computer D
only computer B, computer C, and computer D
all computers

4
Which password is automatically encrypted when it is created?
vty
aux
console
enable secret
enable password

5
Which three statements characterize the transport layer protocols? (Choose three.)
TCP and UDP port numbers are used by application layer protocols.
TCP uses port numbers to provide reliable transportation of IP packets.
UDP uses windowing and acknowledgments for reliable transfer of data.
TCP uses windowing and sequencing to provide reliable transfer of data.
TCP is a connection-oriented protocol. UDP is a connectionless protocol.

6
Which type of media is immune to EMI and RFI? (Choose two.)
10 Base-T
10 Base-2
10 Base-5
100 Base-FX
100 Base TX
1000 Base LX


7

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

8. Refer to the exhibit. The diagram represents the process of sending email between clients. Select the list below that correctly identifies the component or protocol used at each numbered stage of the diagram.
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
1.MDA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MUA 7.POP 8.MDA
1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA

9

Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?
address translation
DHCP services
ftpd
web server

10

Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B? What action can be preformed to correct the network issue?
issue the ip address command on interface FastEthernet 0/0
issue the no shutdown command on interface FastEthernet 0/1
issue the clock rate command on interface Serial 0/0/0
issue the description command on interface Serial 0/0/1

11
Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)
172.16.4.63 /26
172.16.4.129 /26
172.16.4.191 /26
172.16.4.51 /27
172.16.4.95 /27
172.16.4.221 /27



12 .What are three characteristics of CSMA/CD? (Choose three.)
Devices can be configured with a higher transmission priority.
A jam signal indicates that the collision has cleared and the media is not busy.
A device listens and waits until the media is not busy before transmitting.
The device with the electronic token is the only one that can transmit after a collision.
All of the devices on a segment see data that passes on the network medium.
After detecting a collision, hosts can attempt to resume transmission after a random time delay has expired.

13
In a Cisco IOS device, where is the startup-configuration file stored?
Flash
NVRAM
RAM
ROM

14
A routing issue has occurred in you internetwork. Which of the following type of devices should be examined to isolate this error?
access point
host
hub
router
switch

15
Which OSI layer protocol does IP rely on to determine whether packets have been lost and to request retransmission?
application
presentation
session
transport

16
Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.) Router(config)# line vty 0 3 Router(config-line)# password c13c0 Router(config-line)# login
The entries specify three Telnet lines for remote access.
The entries specify four Telnet lines for remote access.
The entries set the console and Telnet password to "c13c0".
Telnet access will be denied because the Telnet configuration is incomplete.
Access will be permitted for Telnet using "c13c0" as the password.

17
Which prompt represents the appropriate mode used for the copy running-config startup-config command ?
Switch-6J>
Switch-6J#
Switch-6J(config)#
Switch-6J(config-if)#
Switch-6J(config-line)#

18
Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?
172.16.128.0 255.255.255.224
172.16.128.0 255.255.0.0
172.16.128.0 255.255.192.0
172.16.128.0 255.255.224.0
172.16.128.0 255.255.255.192

19
When must a router serial interface be configured with the clock rate command?
when the interface is functioning as a DTE device
when the interface timers have been cleared
when the connected DTE device is shut down
when the interface is functioning as a DCE device

20
When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?
connectionless acknowledgements
upper-layer connection-oriented protocols
Network layer IP protocols
Transport layer UDP protocols

21
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

22

Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on RouterA?
a FTP client
a telnet client
a terminal emulation program
a web browser

23

Refer to the exhibit. A network administrator remotely accesses the CLI of RouterB from PC1. Which two statements are true about the application layer protocol that is used to make this connection? (Choose two.)
The data is encrypted.
The connection type is called a VTY session.
A server process is running on PC1.
A GET request is sent to RouterB.
The application name is the same for the service, protocol, and client.

24
The Layer 4 header contains which type of information to aid in the delivery of data?
service port number
host logical address
device physical address
virtual connection identifier

25

Refer to the exhibit. What two facts can be determined about the exhibited topology? (Choose two.)
A single broadcast domain is present
Two logical address ranges are required.
Three broadcast domains are shown.
Four networks are needed.
Five collision domains exist.

26

Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?
IP address: 192.168.100.19; Subnet Mask: 255.255.255.248; Default Gateway: 192.16.1.2
IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17
IP address: 192.168.100.21; Subnet Mask: 255.255.255.248; Default Gateway: 192.168.100.18
IP address: 192.168.100.22; Subnet Mask: 255.255.255.240; Default Gateway: 10.1.1.5
IP address: 192.168.100.30; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.1.1
IP address: 192.168.100.31; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.18

27

Refer to the exhibit. Cable 1 and cable 2 have the ends wired for specific physical layer requirements. The table lists each segment by number and the cable which has been installed by the network technician between the network components on that segment. From the data given, which segments have the correct cable installed? (Choose three.)
segment1
segment2
segment3
segment4
segment5

28
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

29

Refer to the exhibit. A router, whose table is shown, receives a packet that is destined for 192.168.1.4. How will router treat the packet?
The packet will be dropped.
The packet will be forwarded via FastEthernet 0/0.
The packet will be forwarded to the destination host.
The packet will be forwarded to the 192.168.1.3 next-hop address.

30

Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two.)
This is a server response.
The UDP protocol is being used.
The destination port indicates a Telnet session.
The return segment will contain a source port of 23.
The next session originated from the client of this session will use the source port number 13358.
31

Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?
00-08-a3-b6-ce-46
198.133.219.25:80
http://www.cisco.com
C 198.133.219.0/24 is directly connected, FastEthernet0/0

32
During the encapsulation process, which identifiers are added at the transport layer?
two networks routing the packets
two applications communicating the data
two hosts at either end of the communication
two nodes on the local network exchanging the frame

33

Refer to the exhibit. A student has wired each end of a CAT 5e cable as shown. What is the result? (Choose two.)
The cable is unusable and must be rewired.
The cable is suitable for use as a Gigabit Ethernet straight-through.
The cable is suitable for use as a Fast Ethernet crossover.
The cable is suitable for use as a rollover cable.
The cable is suitable for use as a Gigabit Ethernet crossover.
The cable is suitable for use between two 100 Mbps Auto-MDIX capable switches.

34

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

35

Refer to the exhibit. On the basis of the IP configuration that is shown, what is the reason that Host A and Host B are unable to communicate outside the local network?
Host A was assigned a network address.
Host B was assigned a multicast address.
Host A and Host B belong to different networks.
The gateway address was assigned a broadcast address.

36

Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - rollover cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - straight-through cable
Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable

37

Refer to the exhibit. What does the IP address 192.168.33.2 represent?
The host's default gateway.
The host's IP address.
The host's primary domain name server.
The IP address of the website resolver1.mooki.local.
The IP address of the host's homepage.

38

Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.)
This exchange is part of the three-way handshake.
The source port indicates that a Telnet session has been initiated.
The data is flowing from server to client.
The destination port indicates that an HTTP session has been initiated.
The data listed is associated with the transport layer.
The source port does not support communication with the destination port that is listed.

39
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

40
Which two functions of the OSI model occur at layer two? (Choose two.)
physical addressing
encoding
routing
cabling
media access control

41
Which range of port numbers are reserved for services that are commonly used by applications that run on servers?
0 to 255
0 to 1023
1024 to 49151
49152 to 65535

42
As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?
255.255.0.0
255.255.248.0
255.255.252.0
255.255.254.0
255.255.255.0
255.255.255.128

43

Refer to the exhibit. The tracert command is initiated from PC1 to the destination PC4. Which device will send a response to the initial packet from PC1?
London
Paris
Athens
Ankara
PC4

44

Refer to the exhibit. Host A is transmitting data to host B. What addresses will host A use to for the destination IP and MAC addresses in this communication?
Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.62
Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.75
Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.62
Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.75
Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.75
Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.94

45

Refer to the exhibit. Which logical topology best describes the exhibited network?
star
ring
point-to-point
multiaccess
mesh
46

Examine the graphic with current configurations. Host A in the Clerical offices failed and was replaced. Although a ping to 127.0.0.1 was successful, the replacement computer can not access the company network. What is the likely cause of the problem?
IP address incorrectly entered
network cables unplugged
subnet mask incorrectly entered
network card failure

47

Refer to the exhibit. With the router running NAT, what IP addresses can be applied to the computer to allow access to the Internet? (Choose three.)
192.168.18.38
192.168.18.48
192.168.18.49
192.168.18.52
192.168.18.59
192.168.18.63

48

Refer to the exhibit. What three statements are true about the IP configuration that is shown? (Choose three.)
The address that is assigned to the computer represents private addressing.
The computer is unable to communicate outside of the local network.
The network of this computer can have 126 hosts.
The prefix of the computer address is /27.
The IP address that is assigned to the computer is routable on the Internet.
The IP address that is assigned to the computer is a broadcast address.

49

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

50
Which of the following OSI layers offers reliable, connection-oriented data communication services?
application
presentation
session
transport
network














Wednesday, July 9, 2008  |  Labels:

CCNA 1 - Module 11 Exam Answers


1

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


2

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




3

Which command is used with an encrypted password to restrict access to the privileged EXEC mode of a Cisco router?

RouterA(config)# password encrypted cisco

RouterA(config)# config password encrypted cisco

RouterA(config)# enable password cisco

RouterA(config)# enable secret cisco

RouterA(config)# service-password encryption cisco


4


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




5

The console and virtual terminal passwords have been configured in clear text. Which command will apply encryption to these passwords?

enable secret

password-encrypt

service password-encryption

enable password-encryption


6

What determines the number of simultaneous Telnet connections that can be made to a router?

There is no maximum.

The subnet mask used on the interface.

The number of TCP ports that have been opened up on the router.

The number of available console and aux ports.

The hardware model and the number of vty ports configured with the line vty command.


7


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


8


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.


9

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


10

Select the true statement regarding the ping and tracert commands.

Tracrt shows each hop, while ping shows a destination reply only.

Tracert uses IP addresses; ping does not.

Both ping and tracert can show results in a graphical display.

Ping shows whether the transmission is successful; tracert does not.


11


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


12

What does the tracert command test?

NIC functionality

the ISP bandwidth

the network path to a destination

the destination application functionality

 |  Labels:

CCNA 1 - Module 10 Exam Answers


1
What subnet mask would be used if a company using 172.16.0.0 wants to leave 6 bits for host bits?
255.255.0.0
255.255.240.0
255.255.255.240
255.255.255.192

2
What is the function of a CSU/DSU?
It converts user data into an acceptable form to be sent over a WAN link.
It protects user data from unauthorized access when transmitted over a WAN.
It limits the geographic area in which a WAN operates.
It converts between temporary and permanent WAN connections.

3
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

4
What are three characteristics of UTP cabling? (Choose three.)
inexpensive
easy to install
requires an AUI adapter
normally used in a WAN environment
normally used in a star topology
distance limitation of 185 meters

5
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

6
What type of network cable is used between a terminal and a console port?
cross-over
straight-through
rollover
patch cable




7
Which device is used to create or divide broadcast domains?
hub
switch
bridge
router
repeater

8
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

9
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

10
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

11



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

12
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

13
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

 |  Labels:

CCNA 1 - Module 9 Exam Answers


1
When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?
The hosts return to a listen-before-transmit mode.
The hosts creating the collision have priority to send data.
The hosts creating the collision retransmit the last 16 frames.
The hosts extend their delay period to allow for rapid transmission.

2
What are the two dynamic methods used to maintain ARP tables? (Choose two.)
monitor traffic on the local segment
monitor traffic on the local and remote segments
send a Layer 2 broadcast containing an ARP request
send a Layer 3 broadcast containing an ARP request

3
Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.
85
90
BA
A1
B3
1C




4



Refer to the exhibit. What command was executed on a host computer to produce the results shown?
route PRINT
arp -a
arp -d
netstat
telnet

5
What are the two basic functions of the ARP protocol? (Choose two.)
resolve known IPv6 addresses to MAC addresses
resolve known MAC to IP addresses
maintain ARP cache in RAM
resolve known IPv4 addresses to MAC addresses

6



Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which statement accurately reflects the operation of this link?
No collisions will occur on this link.
Only one of the devices can transmit at a time.
The switch will have priority for transmitting data.
The devices will default back to half duplex if excessive collisions occur.

7
Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?
A random delay is used to ensure a collision-free link.
A random delay value for each device is assigned by the manufacturer.
A standard delay value could not be agreed upon among networking device vendors.
A random delay helps prevent the stations from experiencing another collision during the transmission.

8
Which statements correctly describe MAC addresses? (Choose three.)
dynamically assigned
copied into RAM during system startup
layer 3 address
contains a 3 byte OUI
6 bytes long
32 bits long

9
Ethernet operates at which layers of the OSI model? (Choose two.)
Network layer
Transport layer
Physical layer
Application layer
Session layer
Data-link layer

10



Refer to the exhibit. Host_A is attempting to contact Server_B. Which statements correctly describe the addressing Host_A will generate in the process? (Choose two.)
A packet with the destination IP of Router_B.
A frame with the destination MAC address of Switch_A.
A packet with the destination IP of Router_A.
A frame with the destination MAC address of Router_A.
A packet with the destination IP of Server_B.
A frame with the destination MAC address of Server_B.

11



In the graphic, Host A has reached 50% completion in sending a 1 KB Ethernet frame to Host D when Host B wishes to transmit its own frame to Host C. What must Host B do?
Host B can transmit immediately since it is connected on its own cable segment.
Host B must wait to receive a CSMA transmission from the hub, to signal its turn.
Host B must send a request signal to Host A by transmitting an interframe gap.
Host B must wait until it is certain that Host A has completed sending its frame.

12
After an Ethernet collision, when the backoff algorithm is invoked, which device has priority to transmit data?
the device involved in the collision with the lowest MAC address
the device involved in the collision with the lowest IP address
any device in the collision domain whose backoff timer expires first
those that began transmitting at the same time

13
Which of the following is a drawback of the CSMA/CD access method?
Collisions can decrease network performance.
It is more complex than non-deterministic protocols.
Deterministic media access protocols slow network performance.
CSMA/CD LAN technologies are only available at slower speeds than other LAN technologies.

14
What does the IEEE 802.2 standard represent in Ethernet technologies?
MAC sublayer
Physical layer
Logical Link Control sublayer
Network layer

15
Which of the following describe interframe spacing? (Choose two.)
the minimum interval, measured in bit-times, that any station must wait before sending another frame
the maximum interval, measured in bit-times, that any station must wait before sending another frame
the 96-bit payload padding inserted into a frame to achieve a legal frame size
the 96-bit frame padding transmitted between frames to achieve proper synchronization
the time allowed for slow stations to process a frame and prepare for the next frame
the maximum interval within which a station must send another frame to avoid being considered unreachable


 |  Labels:

CCNA 1 - Module 8 Exam Answers


1

What are the five elements that make up the fiber-optic cable?

core, cladding, buffer, strength material, and outer jacket

core, cladding, kevlar, strength material, and outer jacket

core, kevlar, buffer, strength material, and outer jacket

aramid yarn, cladding, buffer, strength material, and outer jacket

2

In a UTP crossover cable, which pairs of pins are crossed? (Choose two.)

1 and 2

3 and 5

7 and 8

3 and 6

5 and 7

1 and 3

3

Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?

coax cable

rollover cable

crossover cable

straight-through cable



4

Which of the following is a characteristic of single-mode fiber-optic cable?

generally uses LEDs as the light source

relatively larger core with multiple light paths

less expensive than multimode

generally uses lasers as the light source


5

Which method of signal transmission uses radio waves to carry signals?

electrical

optical

wireless

acoustic


6

Which characteristics describe fiber optic cable? (Choose two.)

It is not affected by EMI or RFI.

Each pair of cables is wrapped in metallic foil.

It combines the technique of cancellation, shielding and twisting to protect data.

It has a maximum speed of 100 Mbps.

It is the most expensive type of LAN cabling.


7

When is a straight-through cable used in a network?

when connecting a router through the console port

when connecting one switch to another switch

when connecting a host to a switch

when connecting a router to another router


8

Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?

Presentation

Transport

Data Link

Physical


9

In most business LANs, which connector is used with twisted-pair networking cable?

BNC

RJ-11

RJ-45

Type F


10

What encoding scheme does 100 Mbps Fast Ethernet use?

Manchester

Differential Manchester

4B/5B

5B/6B


11

An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?

light injector

OTDR

TDR

multimeter


12

In which of the following situations would a crossover cable be used? (Choose two.)

switch to router

switch to PC

router to PC

switch to hub

hub to router




13

Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?

Presentation

Transport

Data Link

Physical

14

What is a possible effect of improperly applying a connector to a network cable?

Data will be forwarded to the wrong node.

Data transmitted through that cable may experience signal loss.

An improper signaling method will be implemented for data transmitted on that cable.

The encoding method for data sent on that cable will change to compensate for the improper connection.

15

Which characteristics describe fiber optic cable? (Choose two.)

It is not affected by EMI or RFI.

Each pair of cables is wrapped in metallic foil.

It combines the technique of cancellation, shielding and twisting to protect data.

It has a maximum speed of 100 Mbps.

It is the most expensive type of LAN cabling.

16

When is a straight-through cable used in a network?

when connecting a router through the console port

when connecting one switch to another switch

when connecting a host to a switch

when connecting a router to another router

17





Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?

coax cable

rollover cable

crossover cable

straight-through cable

18

Which method of signal transmission uses radio waves to carry signals?

electrical

optical

wireless

acoustic


19

What are three measures of data transfer? (Choose three.)

goodput

frequency

amplitude

throughput

crosstalk

bandwidth

20

Which of the following is a characteristic of single-mode fiber-optic cable?

generally uses LEDs as the light source

relatively larger core with multiple light paths

less expensive than multimode

generally uses lasers as the light source

21

An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?

light injector

OTDR

TDR

multimeter

22

Which fiber connector supports full duplex Ethernet?













23

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?

the magnetic field around the adjacent pairs of wire

the use of braided wire to shield the adjacent wire pairs

the reflection of the electrical wave back from the far end of the cable

the collision caused by two nodes trying to use the media simultaneously

24

What characteristic of UTP cable helps reduce the effects of interference?

the metal braiding in the shielding

the reflective cladding around core

the twisting of the wires in the cable

the insulating material in the outer jacket

25

XYZ Company is installing new cable runs on their data network. What two types of cable would most commonly be used for new runs? (Choose two.)

coax

Cat4 UTP

Cat5 UTP

Cat6 UTP

STP

26

In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?

coax

fiber

Cat5e UTP

Cat6 UTP

STP

27

What is a primary role of the Physical layer in transmitting data on the network?

create the signals that represent the bits in each frame on to the media

provide physical addressing to the devices

determine the path packets take through the network

control data access to the media

28

Which type of cable run is most often associated with fiber-optic cable?

backbone cable

horizontal cable

patch cable

work area cable

29

What is considered a benefit of wireless as a media choice?

more host mobility

lower security risks

reduced susceptibility to interference

less impact of the surroundings on the effective coverage area

30

In most business LANs, which connector is used with twisted-pair networking cable?

BNC

RJ-11

RJ-45

Type F

 |  Labels:

CCNA 1 - Module 7 Exam Answers


1
Which IEEE specification defines Wi-Fi technology?
802.3
802.5
802.7
802.11
802.13
802.15

2
What is true regarding media access control? (Choose three.)
Ethernet utilizes CSMA/CD
defined as placement of data frames on the media
contention-based access is also known as deterministic
802.11 utilizes CSMA/CD
Data Link layer protocols define the rules for access to different media
controlled access contains data collisions

3
Which characteristics describe carrier sense multiple access collision detect (CSMA/CD)? (Choose three.)
reliable
point-to-point
nondeterministic
connection-oriented
collision environment
first-come, first-served approach
4
Which options are properties of contention-based media access for a shared media? (Choose three.)
non-deterministic
less overhead
one station transmits at a time
collisions exist
devices must wait their turn
token passing

5
What determines the method of media access control? (Choose two.)
network layer addressing
media sharing
application processes
logical topology
intermediary device function

6
What is true concerning physical and logical topologies?
The logical topology is always the same as the physical topology.
Physical topologies are concerned with how a network transfers frames.
Physical signal paths are defined by Data Link layer protocols.
Logical topologies consist of virtual connections between nodes.

7
Which of the following are sublayers of the Data Link layer?
ACL, LMC
MAC, LAC
MAC, LLC
OSI, LLC

8
Which features describe the concept of Carrier Sense Multiple Access with Collision Detection? (Choose two.)
collisionless environment
non-deterministic
deterministic
uses first-come, first-served approach
uses a token to transmit data

9



Refer to the exhibit. Assuming that the network in the exhibit is converged meaning the routing tables and ARP tables are complete, which MAC address will Host A place in the destination address field of Ethernet frames destined for www.server?
00-1c-41-ab-c0-00
00-0c-85-cf-65-c0
00-0c-85-cf-65-c1
00-12-3f-32-05-af

10
What is the purpose of the preamble in an Ethernet frame?
is used as a pad for data
identifies the source address
identifies the destination address
marks the end of timing information
is used for timing synchronization with alternating patterns of ones and zeros

11
What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)
They are 48 binary bits in length.
The consist of four eight-bit octets of binary numbers.
They generally represented in hexadecimal format.
They are represented as decimal values for convenience.
They must be changed when an Ethernet device is added or moved within the network.
They are considered physical addresses.

12
A network administrator has been asked to provide a graphic representation of exactly where the company network wiring and equipment are located in the building. What is this type of drawing?
logical topology
physical topology
cable path
wiring grid
access topology

13
Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)
the Layer 3 protocol selected
the geographic scope of the network
the PDU defined by the transport layer
the physical layer implementation
the number of hosts to be interconnected

14
Which three session options does PPP offer? (Choose three.)
multilink
multipoint connectivity
compression
error checking
authentication
fastlink

15
Which statements describe the logical token-passing topology? (Choose two.)
Network usage is on a first come, first serve basis.
Computers are allowed to transmit data only when they possess a token.
Data from a host is received by all other hosts.
Electronic tokens are passed sequentially to each other.
Token passing networks have problems with high collision rates.



16

Which statements describe the logical token-passing topology? (Choose two.)

Network usage is on a first come, first serve basis.

Computers are allowed to transmit data only when they possess a token.

Data from a host is received by all other hosts.

Electronic tokens are passed sequentially to each other.

Token passing networks have problems with high collision rates.


17




Refer to the exhibit. A frame is being sent from the PC to the laptop. Which source MAC and IP addresses will be included in the frame as it leaves RouterB? (Choose two.)

source MAC - PC

source MAC - S0/0 on RouterA

source MAC - Fa0/1 on RouterB

source IP - PC

source IP - S0/0 on RouterA

source IP - Fa0/1 of RouterB


18

What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)

They are 48 binary bits in length.

They are considered physical addresses.

They are generally represented in hexadecimal format.

They consist of four eight-bit octets of binary numbers.

They are used to determine the data path through the network.

They must be changed when an Ethernet device is added or moved within the network.



19

What is the primary purpose of the trailer in a data link layer frame?

define the logical topology

provide media access control

support frame error detection

carry routing information for the frame


20

What two facts are true when a device is moved from one network or subnet to another? (Choose two.)

The Layer 2 address must be reassigned.

The default gateway address should not be changed.

The device will still operate at the same Layer 2 address.

Applications and services will need additional port numbers assigned.

The Layer 3 address must be reassigned to allow communications to the new network.


21

What determines the method of media access control? (Choose two.)

network layer addressing

media sharing

application processes

logical topology

intermediary device function


22

Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)

the Layer 3 protocol selected

the geographic scope of the network

the PDU defined by the transport layer

the physical layer implementation

the number of hosts to be interconnected


23

What is a characteristic of a logical point-to-point topology?

The nodes are physically connected.

The physical arrangement of the nodes is restricted.

The media access control protocol can be very simple.

The data link layer protocol used over the link requires a large frame header.


24




Refer to the exhibit. Which statement describes the media access control methods that are used by the networks in the exhibit?

All three networks use CSMA/CA

None of the networks require media access control.

Network 1 uses CSMA/CD and Network 3 uses CSMA/CA.

Network 1 uses CSMA/CA and Network 2 uses CSMA/CD.

Network 2 uses CSMA/CA and Network 3 uses CSMA/CD.


25

What is a function of the data link layer?

provides the formatting of data

provides end-to-end delivery of data between hosts

provides delivery of data between two applications

provides for the exchange data over a common local media


26

What is the purpose of the preamble in an Ethernet frame?

is used as a pad for data

identifies the source address

identifies the destination address

marks the end of timing information

is used for timing synchronization with alternating patterns of ones and zeros


27

What is a primary purpose of encapsulating packets into frames?

provide routes across the internetwork

format the data for presentation to the user

facilitate the entry and exit of data on media

identify the services to which transported data is associated

28 Which sublayer of the data link layer prepares a signal to be transmitted at the physical layer?

LLC

MAC

HDLC

NIC


29

What statements are true regarding addresses found at each layer of the OSI model? (Choose two.)

Layer 2 may identify devices by a physical address burned into the network card

Layer 2 identifies the applications that are communicating

Layer 3 represents a hierarchical addressing scheme

Layer 4 directs communication to the proper destination network

Layer 4 addresses are used by intermediary devices to forward data


30

What is true concerning physical and logical topologies?

The logical topology is always the same as the physical topology.

Physical topologies are concerned with how a network transfers frames.

Physical signal paths are defined by Data Link layer protocols.

Logical topologies consist of virtual connections between nodes.

 |  Labels:

CCNA 1 - Module 6 Exam Answers


1
Which statements are true regarding IP addressing? (Choose two.)
NAT translates public addresses to private addresses destined for the Internet.
Only one company is allowed to use a specific private network address space.
Private addresses are blocked from public Internet by router.
Network 172.32.0.0 is part of the private address space.
IP address 127.0.0.1 can be used for a host to direct traffic to itself.

2



Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?
The host subnet mask is incorrect.
The default gateway is a network address.
The default gateway is a broadcast address.
The default gateway is on a different subnet from the host.

3
Given the IP address and subnet mask of 172.16.134.64 255.255.255.224, which of the following would describe this address?
This is a useable host address.
This is a broadcast address.
This is a network address.
This is not a valid address.




4
Which of the following are features of IPv6? (Choose three.)
larger address space
faster routing protocols
data types and classes of service
authentication and encryption
improved host naming conventions
same addressing scheme as IPv4

5
A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?
172.16.0.0
172.16.192.0
172.16.192.128
172.16.192.160
172.16.192.168
172.16.192.176

6
Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)
172.16.4.127 /26
172.16.4.155 /26
172.16.4.193 /26
172.16.4.95 /27
172.16.4.159 /27
172.16.4.207 /27

7
What subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible to have up to 254 hosts?
255.255.0.0
255.255.255.0
255.255.254.0
255.255.248.0

8
Which of the following network devices are recommended to be assigned static IP addresses? (Choose three.)
LAN workstations
servers
network printers
routers
remote workstations
laptops

9
Which three IP addresses are private? (Choose three.)
172.168.33.1
10.35.66.70
192.168.99.5
172.18.88.90
192.33.55.89
172.35.16.5

10
Which process do routers use to determine the subnet network address based upon a given IP address and subnet mask?
binary adding
hexadecimal anding
binary division
binary multiplication
binary ANDing

11
Which of the following is a characteristic of DHCP?
provides an IP address to a device from an individual profile for the host
provides an IP address dynamically to a device from a defined range of IP addresses
provides IP addresses to devices using all unicast transmission to save bandwidth
provides an IP address only to devices with fixed profiles

12



Refer to the exhibit. Which network prefix will work with the IP addressing scheme shown in the graphic.
/24
/16
/20
/27
/25
/28

13



Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the workgroup server's properties to allow connectivity to the network?
IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.39
IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.33
IP address: 192.168.10.38 subnet mask: 255.255.255.248 default gateway: 192.168.10.33
IP address: 192.168.10.39 subnet mask: 255.255.255.248 default gateway: 192.168.10.31
IP address: 192.168.10.254 subnet mask: 255.255.255.0 default gateway: 192.168.10.1

 |  Labels:

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