CS601 Quiz 2 Solved

1) In ___________ TDM, each input connection has an allotment in the output even if it is not sending data.

1. Statistical
2. Isochronous
3. Asynchronous
4. Synchronous

2) In ___________ switching resources are allocated during the entire duration of the connection and these resources are unavailable in other connections.

1. Both circuit and message switch network
2. Circuit Switched Networks
3. Packet switched networks
4. Message switched networks

3) ______________ are used for multicast communications, such as radio and television.

1. Light wave
2. Microwaves
3. Radio Waves
4. Infrared waves

4) In circuit switching total Delay is combination of Connection Time. Data transfer time and _____.

1. Connection Tear down time
2. Switching time
3. Acknowledgement time
4. Receiving time

5) The fiber optic cable of type 7/125 is of _____ mode.

1. Single mode, step index
2. Multimode, step index
3. Single mode, graded index
4. Multimode, graded index

6) Which multiplexing technique involves signals composed of light beams>

1. PDM
2. WDM
3. FDM
4. TDM

7) Density of the core at the destination decreases in ______ propagation mode.

1. Multimode, graded index
2. Single mode, step index
3. Single mode, graded index
4. Multimode, step index

8) A local telephone network use _________ network.

1. Circuit switched
2. Packet switched
3. Bit switched
4. Line switched

9) Electromagnetic waves ranging in frequencies between 1 and 30 GHz are called______.

1. Radio waves
2. Infrared waves
3. Light waves
4. Microwaves

10) __________ has less electromagnetic interference as compared to other guided medium.

1. Coaxial
2. Unshielded Twisted Pair
3. Shielded Twisted Pair
4. Fiber Optic