CCNA MODULE 4 EXAM QUESTIONS

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CCNA MODULE 4 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -33 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: A network administrator is troubleshooting connectivity issues on a server.Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

Answer:

Physical

Question 2: Which media uses patterns of microwaves to represent bits?

Answer:

Wireless Question 3: Which of the following counters EMI and RFI by using shielding techniques and special connectors?

Answer:

Shielded Twisted Pair (STP) Question 4: Which of the following fiber-optic cable types is used within a campus network?

Answer:

Multi-mode Fiber

Question 5: Which of these is a measure of the transfer of bits across the media?

Answer:

Throughput

Question 6: Which statement correctly describes frame encoding?

Answer:

It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits.Question 7: Which procedure is used to reduce the effect of crosstalk in copper cables?

Answer:

Twisting opposing circuit wire pairs together.

Question 8: Which media uses patterns of light to represent bits?

Answer:

Fiber-Optic Question 9: Which of the following fiber-optic cable types can travel approximately 62.5 miles or 100km / 100000m?

Answer:

Single-Mode Fiber Question 10: Which of the following fiber-optic cable types can help data travel approximately 1.24 miles or 2 km/2000m?

Answer:

Multi-Mode Fiber Question 11: What PDU is received by the physical layer for encoding and transmission?

Answer:

Frame

Question 12: What is the definition of bandwidth?

Answer:

the amount of data that can flow from one place to another in a given amount of time.

Question 13: What is the purpose of the OSI physical layer?

Answer:

Transmitting bits across the local media.

Question 14: What is a characteristic of UTP cabling?

Answer:

Cancellation Question 15: Which of these is the is the name for capacity of a medium to carry data?

Answer:

Bandwidth Question 16: Which standards organization oversees development of wireless LAN standards?

Answer:

IEEE Question 17: What type of cable is used to connect a workstation serial port to a Cisco router console port?

Answer:

Rollover Cable

Question 18: Which media uses electrical pulses to represent bits?

Answer:

Copper

Question 19: Which characteristic describes crosstalk?

Answer:

The distortion of the transmitted messages from signals carried in adjacent wires.

Question 20: Which of the following is the most common network media?

Answer:

Unshielded Twisted Pair (UTP)

Question 21: Which of the following fiber-optic cable types is used to connect long-distance telephony and cable TV applications?

Answer:

Single-Mode Fiber Question 22: Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic for two-way data transmission.

Answer:

Coaxial Question 23: Why are two strands of fiber used for a single fiber optic connection?

Answer:

They allow for full-duplex connectivity.

Question 24: What is indicated by the term throughput?

Answer:

The measure of the bits transferred across the media over a given period of time.Question 25: What is one advantage of using fiber optic cabling rather than copper cabling?

Answer:

It is able to carry signals much farther than copper cabling.Question 26: T/F: The physical layer is only concerned with wired network connections.

Answer:

False Question 27: T/F: When a frame is encoded by the physical layer, all bits are sent over the media at the same time.

Answer:

False Question 28: The physical layer of the receiving device passes bits up to which higher level layer?

Answer:

Data Link