Domains MCQ (Multiple Choice Questions) PDF - 270

MCQ 1346: A root server is a server whose zone consists of the

1. subdomains
2. zone files
3. whole tree
4. DNS servers

MCQ 1347: Mobile telephony is an example of

1. AAL5
2. AAL3/4
3. AAL2
4. AAL1

MCQ 1348: How much overhead does Digital Signal 1 (DS-l) require?

1. 9 bits
2. 8 bits
3. 24 bits
4. 26 bits

MCQ 1349: Logic Link Control (LLC) defines a

1. Protocol Data Unit
2. Destination Service Access Point
3. Source Service Access Point
4. High-level Data Link Control

MCQ 1350: The channels can be shared in an area with many subscribers with the help of

1. multi casting
2. frequency sharing
3. data sharing
4. time sharing