Computer Networking Test 1
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- Total number of questions : 20
- Time allotted : 25 minutes.
- Each question carry 1 mark, no negative marks.
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| Total number of questions | : | 20 |
| Number of currect answered | : | 0 |
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- Review
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Question 1 of 20
1. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
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Question 2 of 20
2. Question
1 points.
Which of the following allows a router to respond to an ARP request that is intended for a remote host?
CorrectAnswer : C
Explanation : Proxy ARP can help machines on a subnet to reach remote subnets without configuring routing or a default gateway.
IncorrectAnswer : C
Explanation : Proxy ARP can help machines on a subnet to reach remote subnets without configuring routing or a default gateway.
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Question 3 of 20
3. Question
1 pointsCorrectAnswer : C
Explanation : A Class C network address has only 8 bits for defining hosts.
IncorrectAnswer : C
Explanation : A Class C network address has only 8 bits for defining hosts.
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Question 4 of 20
4. Question
1 points.
If you use either Telnet or FTP, which is the highest layer you are using to transmit data?
CorrectAnswer : A
Explanation : Both FTP and Telnet use TCP both are Application layer protocols.
IncorrectAnswer : A
Explanation : Both FTP and Telnet use TCP both are Application layer protocols.
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Question 5 of 20
5. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
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Question 6 of 20
6. Question
1 pointsCorrectAnswer : B
Explanation : Address Resolution Protocol (ARP) is used to find the hardware address from a known IP address.
IncorrectAnswer : B
Explanation : Address Resolution Protocol (ARP) is used to find the hardware address from a known IP address.
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Question 7 of 20
7. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 8 of 20
8. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 9 of 20
9. Question
1 points.
Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?
CorrectAnswer : B
IncorrectAnswer : B
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Question 10 of 20
10. Question
1 pointsCorrectAnswer : D
Explanation : An IPv6 address is 128 bits long.
IncorrectAnswer : D
Explanation : An IPv6 address is 128 bits long.
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Question 11 of 20
11. Question
1 pointsCorrectAnswer: B
Explanation : Hubs regenerate electrical signals, which are specified at the Physical layer.
IncorrectAnswer: B
Explanation : Hubs regenerate electrical signals, which are specified at the Physical layer.
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Question 12 of 20
12. Question
1 points.
Which protocol is used to send a destination network unknown message back to originating hosts?
CorrectAnswer : C
IncorrectAnswer : C
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Question 13 of 20
13. Question
1 pointsCorrectAnswer : B
Explanation : Every 2 seconds, BPDUs are sent out from all active bridge ports by default.
IncorrectAnswer : B
Explanation : Every 2 seconds, BPDUs are sent out from all active bridge ports by default.
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Question 14 of 20
14. Question
1 points.
How many broadcast domains are created when you segment a network with a 12-port switch?
CorrectAnswer : A
Explanation : By default, switches break up collision domains but are one large broadcast domain
IncorrectAnswer : A
Explanation : By default, switches break up collision domains but are one large broadcast domain
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Question 15 of 20
15. Question
1 pointsCorrectAnswer : A
Explanation : Class A addressing provides 24 bits for host addressing.
IncorrectAnswer : A
Explanation : Class A addressing provides 24 bits for host addressing.
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Question 16 of 20
16. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 17 of 20
17. Question
1 pointsCorrectAnswer : C
Explanation : VLANs break up broadcast domains at layer 2.
IncorrectAnswer : C
Explanation : VLANs break up broadcast domains at layer 2.
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Question 18 of 20
18. Question
1 pointsCorrectAnswer : C
Explanation : The primary reason the OSI model was created was so that different networks could inter-operate.
IncorrectAnswer : C
Explanation : The primary reason the OSI model was created was so that different networks could inter-operate.
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Question 19 of 20
19. Question
1 pointsCorrectAnswer : C
Explanation : ICMP is the protocol at the Network layer that is used to send echo requests and replies.
IncorrectAnswer : C
Explanation : ICMP is the protocol at the Network layer that is used to send echo requests and replies.
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Question 20 of 20
20. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C