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- Question
Which multiplexing technique shifts each signal to a different carrier frequency?
Options- A. FDM
- B. synchronous TDM
- C. asynchronous TDM
- D. All of the above
- Correct Answer
- FDM
- 1. Modulation is the process of
Options- A. sending a file from one computer to another computer
- B. converting digital signals to analog signals
- C. converting analog signals to digital signals
- D. echoing every character that is received
- E. None of the above Discuss
- 2. Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
Options- A. Five
- B. Two
- C. Four
- D. Six
- E. Three Discuss
- 3. Which of the following is a wrong example of network layer:
Options- A. Internet Protocol (IP) ARPANET
- B. X. 25 Packet Level Protocol (PLP) - ISO
- C. Source routing and Domain naming - Usenet
- D. X.25 level 2 - ISO
- E. None of the above Discuss
- 4. Which of the following might be used by a company to satisfy its growing communications needs?
Options- A. front-end processor
- B. multiplexer
- C. controller
- D. concentrator
- E. All of the above Discuss
- 5. Which of the following signals is not standard RS - 232-C signal?
Options- A. VDR
- B. RTS
- C. CTS
- D. DSR
- E. None of the above Discuss
- 6. The coming together of three technologies i.e. microelectronics, computing and communications has ushered in
Options- A. information explosion
- B. information technology
- C. business revolution
- D. educational upgradation
- E. None of the above Discuss
- 7. Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called
Options- A. field workers
- B. telecommuters
- C. teleprocessors
- D. company directors
- E. None of the above Discuss
- 8. What is the default subnet mask for a class B network?
Options- A. 127.0.01
- B. 255.0.0.0
- C. 255.255.0.0
- D. 255.255.255.0
- E. None of the above Discuss
- 9. Terminals are used to
Options- A. collect data from the physical system
- B. provide information for the manager
- C. communicate management decisions to the physical system
- D. All of the above
- E. None of the above Discuss
- 10. The loss in signal power as light travels down the fiber is called
Options- A. attenuation
- B. propagation
- C. scattering
- D. interruption
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: converting digital signals to analog signals
Correct Answer: Four
Correct Answer: X.25 level 2 - ISO
Correct Answer: All of the above
Correct Answer: VDR
Correct Answer: information technology
Correct Answer: telecommuters
Correct Answer: 255.255.0.0
Correct Answer: All of the above
Correct Answer: attenuation
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