Answer all the problems
problem 1) Differentiate the followings with suitable exs:
(i) Local and Remote Bridges
(ii) Constant Bit Rate and Variable Bit Rate
(iii) Time Division Multiplexing and Frequency Division Multiplexing
(iv) Datagram and Virtual Circuit
(v) Analog and Digital Signal
problem2) (i) Describe the followings in terms of TCP reference model with exs.
• Reliable connection–oriented transfer of data
• Best effort connectionless transfer
(ii) Describe with illustration how Internet Layer and network Interface layer of TCP reference model function.
(iii) prepare down the advantages of digital transmission over analog transmission with exs of each.
problem 3) (i) describe the Selective Repeat Protocol with illustration in terms of error recovery , flow control and packet loss.
(ii) How is MAC sublayer different from Logical Link Control sublayer?
(iii) Describe the two methodologies used by bridges for transmission of frames.
(iii) What function(s) a station has to perform when it wants to transmit a frame using a token ring protocol?
problem4) (i) How does transport layer manage crash recovery, multiplexing and connection establishment? Describe.
(ii) What is the convention of writing domain names? Describe with an ex. Name at least five domain names and its meaning.
problem5) (i) Through the ex and illustration, describe how the ATM network work?
(ii) describe the bandwidth limitations of B-channels and D-channel.
(iii) Differentiate between Packet switching and Cell switching.