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- Question
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
- Correct Answer
- All of the above
- 1. 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
- 2. 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
- 3. 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
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. How many pairs of stations can simultaneously communicate on Ethernet LAN?
Options- A. 1
- B. 2
- C. 3
- D. multiple
- E. None of the above Discuss
- 8. The channel in the data communication model can be
Options- A. postal mail service
- B. telephone lines
- C. radio signals
- D. All of the above
- E. None of the above Discuss
- 9. You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options- A. 255.255.224.0
- B. 255.255.240.0
- C. 255.255.248.0
- D. 255.255.252.0
- E. 255.255.255.255 Discuss
- 10. A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?
Options- A. 2 seconds
- B. 20 seconds
- C. 120 seconds
- D. 12 seconds
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: 255.255.0.0
Correct Answer: telecommuters
Correct Answer: information technology
Correct Answer: FDM
Correct Answer: converting digital signals to analog signals
Correct Answer: attenuation
Correct Answer: 1
Correct Answer: All of the above
Correct Answer: 255.255.240.0
Correct Answer: 20 seconds
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