Discussion
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- Question
Which transmission mode is used for data communication along telephone lines?
Options- A. Parallel
- B. Serial
- C. Synchronous
- D. Asynchronous
- E. None of the above
- Correct Answer
- Serial
- 1. ASK, PSK, FSK, and QAM are examples of _____ encoding.
Options- A. digital-to-digital
- B. digital-to-analog
- C. analog-to-analog
- D. analog-to-digital Discuss
- 2. Which of the following digits are known as the terminal number of the Network User Address (NUA)?
Options- A. 5-7
- B. 1-4
- C. 8-12
- D. 13-14
- E. None of the above Discuss
- 3. Which of the following communications modes support two-way traffic but in only one direction of a time?
Options- A. simplex
- B. half-duplex
- C. three-quarters duplex
- D. full-of the above
- E. None of the above Discuss
- 4. A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
Options- A. Communications software
- B. Error detecting protocols
- C. Link access procedure (LAP)
- D. Telecommunications
- E. None of the above Discuss
- 5. Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:
Options- A. Bandwidth alternatives
- B. Switching alternating
- C. Inter organizational networks
- D. Extranets Discuss
- 6. An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is
Options- A. X.75
- B. X.25
- C. X.400
- D. X.21
- E. None of the above Discuss
- 7. In communication satellite, multiple repeaters are known as
Options- A. detector
- B. modulator
- C. stations
- D. transponders
- E. None of the above Discuss
- 8. Which of the following TCP/IP protocol is used for remote terminal connection service?
Options- A. TELNET
- B. FTP
- C. RARP
- D. UDP
- E. None of the above Discuss
- 9. Which of the following statements is correct?
Options- A. characteristic of the hub architecture of ARC-net is alternative routing.
- B. characteristic of LAN is unlimited expansion
- C. characteristic of LAN is low cost access for low bandwidth channels
- D. characteristic of the hub architecture of ARC-net is directionalized transmission
- E. None of the above Discuss
- 10. Which utility is an all-purpose tool for troubleshooting TCP/IP problems?
Options- A. NBTSTAT
- B. Netstat
- C. PING
- D. Hostname
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: digital-to-analog
Correct Answer: 8-12
Correct Answer: half-duplex
Correct Answer: Communications software
Correct Answer: Bandwidth alternatives
Correct Answer: X.75
Correct Answer: transponders
Correct Answer: TELNET
Correct Answer: characteristic of the hub architecture of ARC-net is directionalized transmission
Correct Answer: PING
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