Final1.CCNA4.0.25Ans.share 1.pdf

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ENetwork Final Exam - CCNA Exploration: Network
Fundamentals (Version 4.0)
1
When connectionless protocols are implemented at the lower layers of
the OSI model, what is usually used to acknowledge that the data was
received and to request the retransmission of missing data?
IP
UDP
Ethernet
a connectionless acknowledgement
an upper-layer, connection-oriented protocol or service
Scoring Rule For: correctness of response
2 points for Option 5
0 points for any other option
Max Value = 2
2
Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different
devices?
Connection 1 - rollover cable
Connection 2 - straight-through cable
Connection 3 - crossover cable
Connection 1 - crossover cable
Connection 2 - rollover cable
Connection 3 - crossover cable
Connection 1 - straight-through cable
Connection 2 - crossover cable
Connection 3 - crossover cable
Connection 1 - straight-through cable
Connection 2 - crossover cable
Connection 3 - straight-through cable
Connection 1 - crossover cable
Connection 2 - straight-through cable
Connection 3 - crossover cable
Scoring Rule
For: correctness of
response
2 points for Option 4
0 points for any other
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option
Max Value = 2
3
Which OSI layer does IP rely on to determine whether packets have been lost and to request
retransmission?
application
presentation
session
transport
Scoring Rule For: correctness of
response
2 points for Option 4
0 points for any other option
Max Value = 2
4
What is true regarding network layer addressing? (Choose three.)
uses a flat structure
prevent broadcasts
heirarchical
uniquely identifies each host
48 bits in length
contains a network portion
Scoring Rule For: correctness of
response
Option 3, Option 4, and Option 6 are
correct.
1 point for each correct option.
0 points if more options are selected
than required.
Max Value = 3
5
A PC can not connect to any remote websites, ping its default gateway, or ping a printer that is
functioning properly on the local network segment. Which action will verify that the TCP/IP stack is
functioning correctly on this PC?
Use the ipconfig /all command at the host’s command prompt.
Use the ping 127.0.0.1 command at the command prompt.
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Use the traceroute command at the command prompt to identify any failures on the path to the
gateway.
Use FTP to check for connectivity to remote sites.
Download a troubleshooting tool from the PC manufacturer's website.
Scoring Rule For: correctness of
response
2 points for Option 2
0 points for any other option
Max Value = 2
6
Which type of media is immune to EMI and RFI? (Choose two.)
10 Base-T
10 Base-2
10 Base-5
100 Base-FX
100 Base TX
1000 Base LX
Scoring Rule For: correctness of
response
Option 4 and Option 6 are correct.
1 point for each correct option.
0 points if more options are selected
than required.
Max Value = 2
7
Refer to the exhibit. The command that is shown was issued on a PC. What does the IP address
192.168.33.2 represent?
IP address of the host
default gateway of the host
IP address of the homepage for the host
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primary domain name server for the host
IP address of the website resolver1.mooki.local
Scoring Rule
For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
8
Refer to the exhibit. The diagram represents the process of sending email between clients. Select the list below
that correctly identifies the component or protocol used at each numbered stage of the diagram.
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
1.MDA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MUA 7.POP 8.MDA
1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA
Scoring Rule
For: correctness of
response
2 points for Option 5
0 points for any other
option
Max Value = 2
9
Which three statements characterize the transport layer protocols? (Choose three.)
TCP and UDP port numbers are used by application layer protocols.
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TCP uses port numbers to provide reliable transportation of IP packets.
UDP uses windowing and acknowledgments for reliable transfer of data.
TCP uses windowing and sequencing to provide reliable transfer of data.
TCP is a connection-oriented protocol. UDP is a connectionless protocol.
Scoring Rule For: correctness of
response
Option 1, 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
10
Which OSI layers offers reliable, connection -oriented data communication services?
application
presentation
session
transport
network
Scoring Rule For: correctness of
response
2 points for Option 4
0 points for any other option
Max Value = 2
11
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