CCNA 1 Chapter 2 V4.0 Answers

1. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)

determine pathways for data

initiate data communications

retime and retransmit data signals

originate the flow of data

manage data flows

final termination point for data flow

 

2. Select the statements that are correct concerning network protocols. (Choose three.)

define the structure of layer specific PDU’s

dictate how to accomplish layer functions

outline the functions necessary for communications between layers

limit the need for hardware compatibility

require layer dependent encapsulations

eliminate standardization among vendors

 

3. What are two functions of encapsulation? (Choose two.)

tracks delay between end devices

enables consistent network paths for communication

allows modification of the original data before transmission

identifies pieces of data as part of the same communication

ensures that data pieces can be directed to the correct receiving end device

 

4. What is a primary function of the trailer information added by the data link layer encapsulation?

supports error detection

ensures ordered arrival of data

provides delivery to correct destination

identifies the devices on the local network

assists intermediary devices with processing and path selection

 

5. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)

Network

Transport

Physical

Data Link

Session

 

6. What is a PDU?

corruption of a frame during transmission

data reassembled at the destination

retransmitted packets due to lost communication

a layer specific encapsulation

 

7. Which characteristic correctly refers to end devices in a network?

manage data flows

originate data flow

retime and retransmit data signals

determine pathways for data

 

8.

CCNA1Chapter21 thumb CCNA 1 Chapter 2 V4.0 Answers

Refer to the exhibit. “Cell A” at IP address 10.0.0.34 has established an IP session with “IP Phone 1″ at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device “Cell A?”

the destination device

an end device

an intermediate device

a media device

 

9.

CCNA1Chapter22 thumb CCNA 1 Chapter 2 V4.0 Answers

Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)

Network A — WAN

Network B — WAN

Network C — LAN

Network B — MAN

Network C — WAN

Network A – LAN

 

10. Which three statements best describe a Local Area Network (LAN)? (Choose three.)

A LAN is usually in a single geographical area.

The network is administered by a single organization.

The connection between segments in the LAN is usually through a leased connection.

The security and access control of the network are controlled by a service provider.

A LAN provides network services and access to applications for users within a common organization.

Each end of the network is generally connected to a Telecommunication Service Provider (TSP).

 

11.

CCNA1Chapter23 thumb CCNA 1 Chapter 2 V4.0 Answers

Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?

piping

PDU

streaming

multiplexing

encapsulation

 

12. What is the primary purpose of Layer 4 port assignment?

to identify devices on the local media

to identify the hops between source and destination

to identify to the intermediary devices the best path through the network

to identify the source and destination end devices that are communicating

to identify the processes or services that are communicating within the end devices

 

13. What device is considered an intermediary device?

file server

IP phone

laptop

printer

switch

 

14.

CCNA1Chapter24 thumb CCNA 1 Chapter 2 V4.0 Answers

Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?

source

end

transfer

intermediary

 

15.

CCNA1Chapter25 thumb CCNA 1 Chapter 2 V4.0 Answers

Refer to the exhibit. What type of network is shown?

WAN

MAN

LAN

WLAN

 

16. Which layer encapsulates the segment into packets?

physical

data link

network

transport

 

17. What can be identified by examining the network layer header?

the destination device on the local media

the destination host address

the bits that will be transferred over the media

the source application or process creating the data

 

18.

CCNA1Chapter26 thumb CCNA 1 Chapter 2 V4.0 Answers

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

A, C, D

B, E, G, H

C, D, G, H, I, J

D, E, F, H, I, J

E, F, H, I, J

 

19. During the encapsulation process, what occurs at the data link layer?

No address is added.

The logical address is added.

The physical address is added.

The process port number is added.

 

20. What is the purpose of the TCP/IP Network Access layer?

path determination and packet switching

data presentation

reliability, flow control, and error detection

network media control

the division of segments into packets

 

21. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?

physical, network, application, data link, presentation, session, transport

application, physical, session, transport, network, data link, presentation

application, presentation, physical, session, data link, transport, network

application, presentation, session, transport, network, data link, physical

presentation, data link, session, transport, network, physical, application

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  5. lfer23 says:

    the Q5 I think is worst
    5. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)

    *Network

    *Transport

    Physical

    Data Link

    Session

    tcp -> transport and ip -> network

    • pepealsaadi says:

      They’re talking about the network access layer in the TCP/IP protocol…network access layer is equivalent to data link and physical layer in OSI…ok

    • desiredrive says:

      I think it is correct, i used to think the same but i realized that Physical and Data Link is the correct answer. It is correct to say that transport is the same in both TCP and OSI, also Network is the same (Network – Ip) but the question asks for the equivalent of Network Access Layer on OSI model and those are, in fact, data link and physical. Sorry if my english is not good but that is what i understood.

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