Friday, April 11, 2014

CCNA 1 Chapter 2 -2014

1. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)
determine pathways for data
retime and retransmit data signals
manage data flows

2. Select the statements that are correct concerning network protocols. (Choose three.)
define the structure of layer specific PDU’s
outline the functions necessary for communications between layers
require layer dependent encapsulations

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


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

6. What is a PDU?
a layer specific encapsulation

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

8. 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?”
an end device

9. Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)
Network B — WAN
Network C — LAN
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.
A LAN provides network services and access to applications for users within a common organization.

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

12. What is the primary purpose of Layer 4 port assignment?
to identify the processes or services that are communicating within the end devices

13. What device is considered an intermediary device?
switch

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

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

16. Which layer encapsulates the segment into packets?
network

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

18.
Refer to the exhibit. Which set of devices contains only end devices?
E, F, H, I, J

19. During the encapsulation process, what occurs at the data link layer?
The physical address is added.

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






CCNA 1 Chapter 2 Answers

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