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Computer Science - Networking

Exercise : Networking - Section 3
21.
If the ASCII character G is sent and the character D is received, what type of error is this?
single-bit
multiple-bit
burst
recoverable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which layer of OSI determines the interface of the system with the user?
Network
Application
Data-link
Session
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The transfer of data from a CPU to peripheral devices of a computer is achieved through
modems
computer ports
interfaces
buffer memory
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
4
2
6
3
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
Teletex system
Fax system
Videotex system
Microwave system
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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