1. 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
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
2. 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
3. path determination and packet switching
data presentation
reliability, flow control, and error detection
network media control
the division of segments into packets
Refer to the exhibit.
Which term correctly identifies the device type that is included in the area B?
source
end
transfer
intermediary
source
end
transfer
intermediary
4. 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
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
5. 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
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
6. 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
Network
Transport
Physical
Data Link
Session
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.manage data flows
originate data flow
retime and retransmit data signals
determine pathways for data
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
the destination device
an end device
an intermediate device
a media device
9. 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
10.corruption of a frame during transmission
data reassembled at the destination
retransmitted packets due to lost communication
a layer specific encapsulation
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
11.Network A — WAN
Network B — WAN
Network C — LAN
Network B — MAN
Network C — WAN
Network A – LAN
Refer to the exhibit.
Which networking term describes the data interleaving process represented in
the graphic?
piping
PDU
streaming
multiplexing
encapsulation
piping
PDU
streaming
multiplexing
encapsulation
12. 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
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
13. 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).
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).
14. 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
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
15. 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
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
16. What device is
considered an intermediary device?
file server
IP phone
laptop
printer
switch
file server
IP phone
laptop
printer
switch
17. Which layer
encapsulates the segment into packets?
physical
data link
network
transport
physical
data link
network
transport
18. 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
19.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
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
A, C, D
B, E, G, H
C, D, G, H, I, J
D, E, F, H, I, J
E, F, H, I, J
20. 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.
No address is added.
The logical address is added.
The physical address is added.
The process port number is added.
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