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- Question
The physical layer of a network
Options- A. defines the electrical characteristics of signals passed between the computer and communication devices
- B. controls error detection and correction
- C. constructs packets of data and sends them across the network
- D. All of the above
- E. None of the above
- Correct Answer
- defines the electrical characteristics of signals passed between the computer and communication devices
- 1. A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be
Options- A. 5
- B. 10
- C. 20
- D. 32
- E. None of the above Discuss
- 2. To avoid transmission errors, a check figure is calculated by the
Options- A. transmitting computer
- B. receiving computer
- C. both (a) and (b)
- D. Start and stop bit
- E. None of the above Discuss
- 3. Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?
Options- A. Keyboard
- B. Modem
- C. Scanner
- D. Fax
- E. None of the above Discuss
- 4. Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?
Options- A. Hardwiring
- B. Microwave
- C. Satellite
- D. Laser
- E. None of the above Discuss
- 5. Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so?
Options- A. Server-based
- B. Token-Ring
- C. Ethernet
- D. Star
- E. Peer-to-peer Discuss
- 6. Which of the following allows devices on one network to communicate with devices on another network?
Options- A. multiplexer
- B. gateway
- C. t-switch
- D. modern
- E. None of the above Discuss
- 7. Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?
Options- A. Unique to that subnet only
- B. For different subnets
- C. For no more than two subnets
- D. For no subnets
- E. None of the above Discuss
- 8. In a synchronous modem, the receive equalizer is known as
Options- A. adaptive equalizer
- B. impairment equalizer
- C. statistical equalizer
- D. compromise equalizer
- E. None of the above Discuss
- 9. To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing
Options- A. communication systems
- B. multiprogramming systems
- C. virtual storage systems
- D. All of the above
- E. None of the above Discuss
- 10. A batch processing terminal would not include a
Options- A. CPU
- B. card reader
- C. card punch
- D. line printer
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: 10
Correct Answer: both (a) and (b)
Correct Answer: Modem
Correct Answer: Satellite
Correct Answer: Server-based
Correct Answer: gateway
Correct Answer: For different subnets
Correct Answer: adaptive equalizer
Correct Answer: All of the above
Correct Answer: CPU
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