May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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Ethernet, Virtual Circuit Networks and SONET 193
(c) Virtual circuit does not require set up of a
connection before transmission.
(d) all of these
8. Which of the following statements is false?
(a) In Frame Relay, frame length is not xed.
(b) Frame Relay was developed for real-time
applications.
(c) ATM uses fixed-size cells
(d) none of these
9. Which of the following is a type of interface
in an ATM network?
(a) user-to-network (b) network-to-network
(c) user-to-user (d) both (a) and (b)
10. AAL1 is a
(a) connection-less service
(b) connection-oriented service
(c) both (a) and (b)
(d) none of these
Answers
1. (b) 2. (a) 3. (b)
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