Computer Networking Test 2
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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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Question 1 of 20
1. Question
1 pointsCorrectAnswer : D
Explanation : The Transport layer receives large data streams from the upper layers and breaks these up into smaller pieces called segments
IncorrectAnswer : D
Explanation : The Transport layer receives large data streams from the upper layers and breaks these up into smaller pieces called segments
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Question 2 of 20
2. Question
1 pointsCorrectAnswer : C
Explanation : The encapsulation method is data, segment, packet, frame, bit
IncorrectAnswer : C
Explanation : The encapsulation method is data, segment, packet, frame, bit
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Question 3 of 20
3. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
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Question 4 of 20
4. Question
1 pointsCorrectAnswer : C
Explanation : RIPv2 is pretty much just like RIPv1.
IncorrectAnswer : C
Explanation : RIPv2 is pretty much just like RIPv1.
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Question 5 of 20
5. Question
1 pointsCorrectAnswer : D
Explanation : Another way to avoid problems caused by inconsistent updates and to stop network loops is route poisoning.
IncorrectAnswer : D
Explanation : Another way to avoid problems caused by inconsistent updates and to stop network loops is route poisoning.
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Question 6 of 20
6. Question
1 points.
What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
CorrectAnswer : D
Explanation : This provides 8 subnets, each with 30 hosts.The number of host bits would never change.
IncorrectAnswer : D
Explanation : This provides 8 subnets, each with 30 hosts.The number of host bits would never change.
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Question 7 of 20
7. Question
1 points.
You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?
CorrectAnswer : B
Explanation : You need 5 subnets, each with at least 16 hosts.The mask 255.255.255.224 provides 8 subnets, each with 30 hosts. This is the best answer.
IncorrectAnswer : B
Explanation : You need 5 subnets, each with at least 16 hosts.The mask 255.255.255.224 provides 8 subnets, each with 30 hosts. This is the best answer.
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Question 8 of 20
8. Question
1 points.
If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?
CorrectAnswer : A
IncorrectAnswer : A
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Question 9 of 20
9. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 10 of 20
10. Question
1 points.
On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?
CorrectAnswer : D
Explanation : A point-to-point link uses only two hosts. A /30, or 255.255.255.252, mask provides two hosts per subnet.
IncorrectAnswer : D
Explanation : A point-to-point link uses only two hosts. A /30, or 255.255.255.252, mask provides two hosts per subnet.
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Question 11 of 20
11. Question
1 pointsCorrectAnswer : C
Explanation : To test the local stack on your host, ping the loopback interface of 127.0.0.1
IncorrectAnswer : C
Explanation : To test the local stack on your host, ping the loopback interface of 127.0.0.1
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Question 12 of 20
12. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 13 of 20
13. Question
1 pointsCorrectAnswer : D
Explanation : DNS uses TCP for zone exchanges between servers and UDP when a client is trying to resolve a hostname to an IP address.
IncorrectAnswer : D
Explanation : DNS uses TCP for zone exchanges between servers and UDP when a client is trying to resolve a hostname to an IP address.
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Question 14 of 20
14. Question
1 pointsCorrectAnswer : D
Explanation : Switches do not propagate VLAN information by default; you must configure the VTP domain.
IncorrectAnswer : D
Explanation : Switches do not propagate VLAN information by default; you must configure the VTP domain.
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Question 15 of 20
15. Question
1 points.
Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?
CorrectAnswer : B
Explanation : Virtual Trunk Protocol (VTP) is used to pass a VLAN database to any or all switches in the switched network.
IncorrectAnswer : B
Explanation : Virtual Trunk Protocol (VTP) is used to pass a VLAN database to any or all switches in the switched network.
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Question 16 of 20
16. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 17 of 20
17. Question
1 pointsCorrectAnswer : C
Explanation : Virtual LANs break up broadcast domains in layer 2 switched internetworks.
IncorrectAnswer : C
Explanation : Virtual LANs break up broadcast domains in layer 2 switched internetworks.
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Question 18 of 20
18. Question
1 points.
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?
CorrectAnswer : C
IncorrectAnswer : C
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Question 19 of 20
19. Question
1 pointsCorrectAnswer : D
Explanation : In a modern network, hybrid fibre-coaxial (HFC) is a telecommunications industry term for a network that incorporates both optical fiber and coaxial cable to create a broadband network
IncorrectAnswer : D
Explanation : In a modern network, hybrid fibre-coaxial (HFC) is a telecommunications industry term for a network that incorporates both optical fiber and coaxial cable to create a broadband network
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Question 20 of 20
20. Question
1 points.
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?
CorrectAnswer : A
IncorrectAnswer : A