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CCNA 1 Chapter 4 v5.0 Test Online 2015 (100%)
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Question 1 of 21
1. Question
1 pointsWhich layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?Correct
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Question 2 of 21
2. Question
1 pointsWhich statement describes signaling at the physical layer?Correct
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Question 3 of 21
3. Question
1 pointsWhat are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.)Correct
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Question 4 of 21
4. Question
1 pointsThe throughput of a FastEthernet network is 80 Mb/s. The traffic overhead for establishing sessions, acknowledgments, and encapsulation is 15 Mb/s for the same time period. What is the goodput for this network?Correct
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Question 5 of 21
5. Question
1 pointsA network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment. Which two factors may interfere with the copper cabling and result in signal distortion and data corruption? (Choose two.)Correct
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Question 6 of 21
6. Question
1 pointsHow is the magnetic field cancellation effect enhanced in UTP cables?Correct
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Question 7 of 21
7. Question
1 pointsRefer to the exhibit. What is wrong with the displayed termination?Correct
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Question 8 of 21
8. Question
1 pointsRefer to the exhibit. The PC is connected to the console port of the switch. All the other connections are made through FastEthernet links. Which types of UTP cables can be used to connect the devices??Correct
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Question 9 of 21
9. Question
1 pointsWhich statement is correct about multimode fiber?Correct
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Question 10 of 21
10. Question
1 pointsWhat is one advantage of using fiber optic cabling rather than copper cabling?Correct
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Question 11 of 21
11. Question
1 pointsWhy are two strands of fiber used for a single fiber optic connection?Correct
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Question 12 of 21
12. Question
1 pointsA network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.)Correct
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Question 13 of 21
13. Question
1 pointsA network administrator is required to upgrade wireless access to end users in a building. To provide data rates up to 1.3 Gb/s and still be backward compatible with older devices, which wireless standard should be implemented?Correct
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Question 14 of 21
14. Question
1 pointsWhat is one main characteristic of the data link layer?Correct
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Question 15 of 21
15. Question
1 pointsAs data travels on the media in a stream of 1s and 0s how does a receiving node identify the beginning and end of a frame??Correct
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Question 16 of 21
16. Question
1 pointsWhat is true concerning physical and logical topologies?Correct
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Question 17 of 21
17. Question
1 pointsWhat are two characteristics of 802.11 wireless networks? (Choose two.)Correct
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Question 18 of 21
18. Question
1 pointsWhat is the purpose of the FCS field in a frame?Correct
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Question 19 of 21
19. Question
1 pointsFill in the blank with a number.- 10,000,000,000 b/s can also be written as (10) Gb/s.
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Question 20 of 21
20. Question
1 pointsFill in the blank.- The term (bandwidth) indicates the capacity of a medium to carry data and it is typically measured in kilobits per second (kb/s) or megabits per second (Mb/s).?
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Question 21 of 21
21. Question
1 pointsFill in the blank.- What acronym is used to reference the data link sublayer that identifies the network layer protocol encapsulated in the frame? (LLC)
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