Discussion
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- Question
Which of the following network access standard is used for connecting stations to a circuit-switched network?
Options- A. X.3
- B. X.21
- C. X.25
- D. X.75
- E. None of the above
- Correct Answer
- X.21
- 1. Bulletin board system
Options- A. is a public access message system
- B. is a modem capable of accepting commands
- C. converts analog signals to digital signals
- D. converts digital signals to analog signals
- E. None of the above Discuss
- 2. Which file transfer protocol uses UDP?
Options- A. NFS
- B. TELNET
- C. TFTP
- D. FTP
- E. None of the above Discuss
- 3. Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.
Options- A. Network collisions occur
- B. Repeaters cannot increase the signal strength sufficiently
- C. Cable terminators do not reflect the signal properly
- D. Cable terminators do not absorb the signal properly
- E. "Line echo" occurs due to the impedance of the cable Discuss
- 4. Which of the following is not a transmission medium?
Options- A. telephone lines
- B. coaxial cable
- C. modem
- D. microwave systems
- E. satellite systems Discuss
- 5. Which of the following items is not used in Local Area Networks (LANs)?
Options- A. Computer
- B. Modem
- C. Printer
- D. Cable
- E. None of the above Discuss
- 6. A subdivision of main storage created by operational software is referred to as a:
Options- A. compartment
- B. time-shared program
- C. divided core
- D. partition
- E. None of the above Discuss
- 7. The size or magnitude of a voltage or current waveform is
Options- A. Amplitude
- B. Aloha
- C. Angle Modulation
- D. Attenuation
- E. None of the above Discuss
- 8. 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
- 9. 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
- 10. 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
Networking problems
Search Results
Correct Answer: is a public access message system
Correct Answer: TFTP
Correct Answer: Network collisions occur
Correct Answer: modem
Correct Answer: Modem
Correct Answer: partition
Correct Answer: Amplitude
Correct Answer: Server-based
Correct Answer: Satellite
Correct Answer: Modem
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