Ccn Question Bank

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RAJIV GANDHI COLLEGE OF ENGINEERING AND TECHNOLOGY

DEPARTMENT OF ECE

Year /SEM : III / VI
SUBJECT : COMPUTER COMMUNICATION AND NETWORKS

Question Bank
UNIT I
1.Write about the Evolution of data networks.
2.Explain the various topologies in networking.
3.Explain the ISO – OSI layer model of data communications. 4.Explain the Physical layer functions and various Wired media in detail. 5.Differentiate the connection oriented and connection less data service. 6.Explain the radio wave communications in detail.

UNIT II
1.What are the various Local area networks?
2.Explain the pure-ALOHA,S-ALOHA and Reservation ALOHA.
3.Explain Ethernet: CSMA/CD LAN, Token passing Bus and Token Ring in detail. 4.Explain the various Data link protocols. (Simplex, Stop and wait and ARQ) 5.Give the Comparison of stop and wait and sliding window protocols. UNIT III

1.Explain the various Routing algorithms in network layer.
2.Explain the optimality principles in detail.
3.Write about the congestion control algorithms.
4.Explain internetworking using Bridges, routers and gateways. 5.Write about Connection management in detail.
UNIT IV
1.Derive the Little’ s theorem.
2.Explain the M/M/I Queues.
3.Find the network parameters of M/G/I Queues.
4.Write about the priority queuing techniques.
5.How is capacity assignment done for terminal networks
6.What are concentrators?
UNIT V
1.Write short notes on Abstract syntax notation
2.Explain the Data compression techniques.
3.Write in detail about Cryptography.
4.What are Remote procedure call and virtual terminals.
5.write short notes on - File transfer access and management Electronic mail.

Prepared by :B SHANMUGHAM,
LECTURER/ECE
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