Computer Networks Answers

DESCRIBE any TWO (2) QoS schemes in detail

DESCRIBE the TWO (2) congestion control mechanisms supported by DCCP.

EXPLAIN any FIVE (5) differences of DCCP from Transmission Control Protocol (TCP)

DISCUSS at least FIVE (5) differences between X.25 and Frame Relay protocols. 

Briefly EXPLAIN X.25 and Frame Relay protocols, their protocol layers and equipment used

ANALYSE the interrelation between SONET and ATM. 

Briefly EXPLAIN the SONET protocol with its network elements

DISCOVER the purpose of Header fields used in TCP /IP i. Sequence Number ii. Fragment offset iii. Urgent Pointer iv. Header Check v. Option + Padding

EXPLAIN in details why the fragmentation considered as a harmful method to be used in internet protocols.

A music track is 80 MB in size. Calculate the file size after compression. How many mp3 files of the size calculated above could be stored on an 800 MB cd