Discussion
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- Question
Who invented the modem?
Options- A. Wang Laboratories Ltd.
- B. AT & T Information Systems, USA
- C. Apple Computers Inc.
- D. Digital Equipment Corpn.
- E. None of the above
- Correct Answer
- AT & T Information Systems, USA
- 1. Which of the following transmission systems provides the highest data rate to an individual device
Options- A. Computer bus
- B. Telephone lines
- C. Voice band modem
- D. leased lines
- E. None of the above Discuss
- 2. The simultaneous transmission of data to a number of stations is known as
Options- A. broadcast
- B. Band width
- C. Aloha
- D. Analog transmission
- E. None of the above Discuss
- 3. Which of the following statement is correct?
Options- A. Teleprinters are used for printing at remote locations, not for input.
- B. Teleprinters are same as teletypes
- C. Teleprinters are same as x400
- D. Teleprinters have a printer for output and keyboard for input
- E. None of the above Discuss
- 4. Operating system functions may include
Options- A. input/output control
- B. virtual storage
- C. multiprogramming
- D. All of the above
- E. None of the above Discuss
- 5. What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
Options- A. Handshaking
- B. Modem options
- C. Protocol
- D. Duplexing
- E. None of the above Discuss
- 6. With an IP address of 201.142.23.12, what is your default subnet mask?
Options- A. 0.0.0.0
- B. 255.0.0.0
- C. 255.255.0.0
- D. 255.255.255.0
- E. None of the above Discuss
- 7. A medium access control technique for multiple access transmission media is
Options- A. Aloha
- B. Amplitude
- C. Angle modulation
- D. Attenuation
- E. None of the above Discuss
- 8. 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
- 9. 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
- 10. 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
Networking problems
Search Results
Correct Answer: Computer bus
Correct Answer: broadcast
Correct Answer: Teleprinters have a printer for output and keyboard for input
Correct Answer: All of the above
Correct Answer: Handshaking
Correct Answer: 255.255.255.0
Correct Answer: Aloha
Correct Answer: Bandwidth alternatives
Correct Answer: Communications software
Correct Answer: half-duplex
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