1 Which statements correctly identify the role of intermediary devices in the network? (Choose three.)
# determine pathways for data
initiate data communications
# retime(重新定時) and retransmit data signals
originate the flow of data
# manage data flows
final termination point for data flow
/*
Scoring Rule For: correctness of response
Option 1, Option 3, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
2.1.6 Network Media */
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(概述) the functions necessary for communications between layers
limit hardware compatibility
# require layer dependent encapsulations
eliminate standardization among vendors
/*
Scoring Rule For: correctness of response
Option 1, Option 3, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
2.3.2 Network Protocols */
3 What are the key functions of encapsulation? (Choose three.)
allows modification of the original data before transmission
# identifies pieces of data as part of the same communication
enables consistent network paths for communication
# ensures that data pieces can be directed to the correct receiving end device
# enables the reassembly(重組的) of complete messages
tracks delay between end devices
/*
Scoring Rule For: correctness of response
Option 2, Option 4, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
2.3.2 Network Protocols */
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
/*
Scoring Rule For: correctness of response
2 points for Option 1
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.4.7 The OSI Model */
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
/*
Scoring Rule For: correctness of response
Option 3 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.4.8 Comparing the OSI Model with the TCP/IP Model */
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
/*
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.3.3 Protocol Suites and Industry Standards */
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
/*
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.1.4 End Devices and their Role on the Network */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?"
the destination device
# an end device
an intermediate device
a media device
/*
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.1.5 Intermediary Devices and their Role on the Network */9 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
/*
Scoring Rule For: correctness of response
Option 2, Option 3, and Option 6 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
2.2.2 Wide Area Networks */10 Which three statements best describe a Local Area Network (LAN)? (Choose three.)
# A LAN is usually in a single geographical(地理的) 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).
/*
Scoring Rule For: correctness of response
Option 1, Option 2, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 3
This item references content from the following areas:
CCNA Exploration
2.2.2 Wide Area Networks */11 Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?
piping
PDU
streaming
multiplexing
# encapsulation
/*
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.3.1 Rules that Govern Communications */
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
/*
Scoring Rule For: correctness of response
2 points for Option 5
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.5.4 Getting the Data to the Right Application */
13 What device is considered an intermediary device?
file server
IP phone
laptop
printer
# switch
/*
Scoring Rule For: correctness of response
2 points for Option 5
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.1.5 Intermediary Devices and their Role on the Network */14 Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?
source
end
transfer
# intermediary(中間的，媒介物)
/*
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.1.5 Intermediary Devices and their Role on the Network */15 Refer to the exhibit. What type of network is shown?
WAN
MAN
# LAN
WLAN
/*
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.2.1 Local Area Networks */
16 Which layer encapsulates the segment into packets?
physical
data link
# network
transport
/*
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.4.5 Protocol Data Units and Encapsulation */
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
/*
Scoring Rule For: correctness of response
2 points for Option 2
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.5.3 Getting the Data through the Internetwork */18 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
/*
Scoring Rule For: correctness of response
2 points for Option 5
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.1.4 End Devices and their Role on the Network */
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.
/*
Scoring Rule For: correctness of response
2 points for Option 3
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.5.2 Getting the Data to the End Device */
20 What is the purpose of the TCP/IP Network Access layer?
path determination and packet switching
data representation, encoding, and control
reliability, flow control, and error detection
# detailing the components that make up the physical link and how to access it
the division of segments into packets
/*
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
This item references content from the following areas:
CCNA Exploration
2.4.3 The TCP/IP Model */
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
/*
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
*/ 
