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31. A software that allows a personal computer to pretend it as a terminal is
A. auto-dialing
B. bulletin board
C. modem
D. terminal emulation
E. None of the above
32. What is the name of the network topology in which there are bi-directional links between each possible node?
A. Ring
B. Star
C. Tree
D. Mesh
E. None of the above
33. What is the main purpose of a data link content monitor?
A. to detect problems in protocols
B. to determine the type of transmission used in a data link
C. to determine the type of switching used in a data link.
D. to determine the flow of data
34. Synchronous protocols
A. transmit characters one at a time
B. allow faster transmission than asynchronous protocols do
C. are generally used by personal computers
D. are more reliable
E. None of the above
35. To set up a bulletin board system you need
A. a smart modem with auto-answer capabilities
B. a telephone line
C. a personal computer
D. All of the above
E. None of the above
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