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Información
CCNA 1 Chapter 4 v5.1 Exam Answers
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Pregunta 1 de 23
1. Pregunta
1. What are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.)
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Pregunta 2 de 23
2. Pregunta
2. What is indicated by the term throughput?
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Pregunta 3 de 23
3. Pregunta
3. A 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.)
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Pregunta 4 de 23
4. Pregunta
4. Which characteristic describes crosstalk?
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Pregunta 5 de 23
5. Pregunta
5. What technique is used with UTP cable to help protect against signal interference from crosstalk?
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Pregunta 6 de 23
6. Pregunta
6. Refer 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?
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Pregunta 7 de 23
7. Pregunta
7. Refer to the exhibit. What is wrong with the displayed termination?
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Pregunta 8 de 23
8. Pregunta
8. Which type of connector does a network interface card use?
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Pregunta 9 de 23
9. Pregunta
9. What is one advantage of using fiber optic cabling rather than copper cabling?
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Pregunta 10 de 23
10. Pregunta
10. Why are two strands of fiber used for a single fiber optic connection?
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Pregunta 11 de 23
11. Pregunta
11. A 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.)
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Pregunta 12 de 23
12. Pregunta
12. Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?
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Pregunta 13 de 23
13. Pregunta
13. What are two services performed by the data link layer of the OSI model? (Choose two.)
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Pregunta 14 de 23
14. Pregunta
14. What is true concerning physical and logical topologies?
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Pregunta 15 de 23
15. Pregunta
15. Which method of data transfer allows information to be sent and received at the same time?
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Pregunta 16 de 23
16. Pregunta
16. Which statement describes an extended star topology?
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Pregunta 17 de 23
17. Pregunta
17. Refer to the exhibit. Which statement describes the media access control methods that are used by the networks in the exhibit?
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Pregunta 18 de 23
18. Pregunta
18. What is contained in the trailer of a data-link frame?
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Pregunta 19 de 23
19. Pregunta
19. As 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?
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Pregunta 20 de 23
20. Pregunta
20. What is the function of the CRC value that is found in the FCS field of a frame?
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Pregunta 21 de 23
21. Pregunta
21. Fill in the blank.
- The term (bandwidth, 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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Pregunta 22 de 23
22. Pregunta
22. Fill in the blank.
- What acronym is used to reference the data link sublayer that identifies the network layer protocol encapsulated in the frame? (LLC, llc)
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Pregunta 23 de 23
23. Pregunta
23. Match the characteristics to the correct type of fiber. (Not all options are used.)
Ordenar elementos
- LED as light source (1)
- several paths of light into the fiber (2)
- generally used with LANs (3)
- only one ray of light into the fiber (4)
- generally used for campus backbone (5)
- laser as light source (6)
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Multimode Fiber (1)
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Multimode Fiber (2)
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Multimode Fiber (3)
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Single-mode Fiber (4)
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Single-mode Fiber (5)
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Single-mode Fiber (6)
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