Ccna Exploration 1: Network Fundamentals – Final Exam

Front 1

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?

Back 1

an upper-layer, connection-oriented protocol or service

Front 2

Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?

Back 2

Connection 1 – straight-through cable
Connection 2 – crossover cable
Connection 3 – straight-through cable

Front 3

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

Back 3

transport

Front 4

Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?

Back 4

198.133.219.25:80

Front 5

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?

Back 5

Use the ping 127.0.0.1 command at the command prompt.

Front 6

Which type of media is immune to EMI and RFI? (Choose two.)

Back 6

100 Base-FX

1000 Base LX

Front 7

Refer to the exhibit. The command that is shown was issued on a PC. What does the IP address 192.168.33.2 represent?

Back 7

primary domain name server for the host

Front 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.

Back 8

1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA

Front 9

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

Back 9

heirarchical

uniquely identifies each host

contains a network portion

Front 10

Which OSI layers offers reliable, connection-oriented data communication services?

Back 10

transport

Front 11

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?

Back 11

subnet mask incorrectly entered

Front 12

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?

Back 12

leaving Dallas

Front 13

Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.)

Back 13

The destination port indicates that an HTTP session has been initiated.

The data listed is associated with the transport layer.

Front 14

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?

Back 14

The gateway address was assigned a broadcast address.

Front 15

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

Back 15

10.0.0.0 to 10.255.255.255

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

Front 16

Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?

Back 16

172.16.128.0 255.255.224.0

Front 17

Which password is automatically encrypted when it is created?

Back 17

enable secret

Front 18

Which three statements characterize the transport layer protocols? (Choose three.)

Back 18

TCP and UDP port numbers are used by application layer protocols.

TCP uses windowing and sequencing to provide reliable transfer of data.


TCP is a connection-oriented protocol. UDP is a connectionless protocol.

Front 19

When must a router serial interface be configured with the clock rate command?

Back 19

when the interface is functioning as a DCE device

Front 20

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

Back 20

physical addressing

media access control

Front 21

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

Back 21

router

Front 22

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)

Back 22

192.168.18.49
192.168.18.52
192.168.18.59

Front 23

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

Back 23

The entries specify four Telnet lines for remote access.


Access will be permitted for Telnet using “c13c0″ as the password.

Front 24

As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?

Back 24

255.255.254.0

Front 25

A network administrator remotely accesses the CLI of RouterB from PC1 using Telnet. Which statement is true about this connection?

Back 25

he connection is made through a VTY session on the router.

Front 26

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.)

Back 26

segment1

segment3
segment4

Front 27

What three statements are true about the IP configuration that is shown? (Choose three.)

Back 27

The address that is assigned to the computer represents private addressing.
The computer is unable to communicate outside of the local network.

The prefix of the computer address is /27.

Front 28

Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)

Back 28

172.16.4.63 /26

172.16.4.191 /26

172.16.4.95 /27

172.16.4.95 /27

Front 29

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?

Back 29

IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17

Front 30

The Layer 4 header contains which type of information to aid in the delivery of data?

Back 30

service port number

Front 31

During the encapsulation process, which identifiers are added at the transport layer?

Back 31

two applications communicating the data

Front 32

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

Back 32

3

Front 33

Refer to the exhibit. Which logical topology best describes the exhibited network?

Back 33

multiaccess

Front 34

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?

Back 34

Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.75

Front 35

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?

Back 35

The packet will be forwarded to the destination host.

Front 36

Refer to the exhibit. Which set of devices contains only intermediary devices?

Back 36

A, B, D, G

Front 37

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?

Back 37

The Default Gateway

192.168.254.1

Front 38

Which prompt represents the appropriate mode used for the copy running-config startup-config command ?

Back 38

Switch-6J#

Front 39

Which range of port numbers are reserved for services that are commonly used by applications that run on servers?

Back 39

0 to 1023

Front 40

Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two)

Back 40

The destination port indicates a Telnet session.
The return segment will contain a source port of 23.

Front 41

Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two)

Back 41

The destination port indicates a Telnet session.
The return segment will contain a source port of 23.

Front 42

In a Cisco IOS device, where is the startup-configuration file stored?

Back 42

NVRAM

Front 43

Refer to the exhibit. What two facts can be determined about the exhibited topology? (Choose two)

Back 43

A single broadcast domain is present

Five collision domains exist.

Front 44

What are three characteristics of CSMA/CD? (Choose three)

Back 44

A device listens and waits until the media is not busy before transmitting.

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.

Front 45

Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on Router1?

Back 45

a terminal emulation program

Front 46

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

Back 46

London

Front 47

Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?

Back 47

only computer D

Front 48

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

Back 48

address translation

Front 49

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?

Back 49

issue the no shutdown command on interface FastEthernet 0/1