ATM & Frame Relay - Computer Networks Questions and Answers

1.

ATM can be used for

   A.) local area network
   B.) wide area network
   C.) both (a) and (b)
   D.) none of these

Answer: Option 'C'

both (a) and (b)

2.

ATM uses the

   A.) asynchronous frequency division multiplexing
   B.) asynchronous time division multiplexing
   C.) asynchronous space division multiplexing
   D.) None of these

Answer: Option 'B'

asynchronous time division multiplexing

3.

An ATM cell has the payload field of

   A.) 32 bytes
   B.) 48 bytes
   C.) 64 bytes
   D.) 128 bytes

Answer: Option 'B'

48 bytes

4.

ATM standard defines ____ layers.

   A.) 2
   B.) 3
   C.) 4
   D.) 5

Answer: Option 'B'

3

5.

Virtual circuit identifier in frame relay is called

   A.) data link connection identifier
   B.) frame relay identifier
   C.) cell relay identifier
   D.) none of these

Answer: Option 'A'

data link connection identifier

6.

ATM and frame relay are

   A.) datagram networks
   B.) virtual circuit networks
   C.) both (a) and (b)
   D.) None of these

Answer: Option 'B'

virtual circuit networks
ATM stands for Asynchronous Transfer mode.

7.

Frame relay has error detection at the

   A.) physical layer
   B.) data link layer
   C.) network layer
   D.) transport layer

Answer: Option 'B'

data link layer

8.

What is FRAD in frame relay network?

   A.) FRAD is used for modulation and demodulation
   B.) FRAD is used for error detection
   C.) FRAD assembles and disassembles the frames coming from other protocols
   D.) none of these

Answer: Option 'C'

FRAD assembles and disassembles the frames coming from other protocols

9.

In frame relay networks, extended address is used

   A.) to increase the range of data link connection identifiers
   B.) for error detection
   C.) both (a) and (b)
   D.) none of these

Answer: Option 'A'

to increase the range of data link connection identifiers

10.

Frame relay has only

   A.) physical layer
   B.) data link layer
   C.) both (a) and (b)
   D.) none of these

Answer: Option 'C'

both (a) and (b)


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