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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