2010 Jawaharlal Nehru Technological University, Hyderabad JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.C.A IV Semester Supplementary Examinations July 2010 COMPUTER COMMUNICATION Question paper
Code No: 43
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.C.A IV Semester Supplementary Examinations July 2010
COMPUTER COMMUNICATION
Time: 3hours Max.Marks:60
Answer any five questions
All questions carry equal marks
- - -
1.a) List the goals and objectives of ISO OSI reference model.
b) Compare and contrast ISO OSI model with TCP/IP model.
2.a) Explain the data link layer design issues.
b) Discuss the role of data link layer in internet.
3.a) What are the various channel allocation methods. Explain them.
b) List the services provided by AAL.
4.a) Explain any two internet control protocols.
b) Define Tunneling & fragmentation. Explain their importance in the Network layer.
5.a) Explain the congestion control principles and congestion prevention policies.
b) Explain the Distance vector routing and Hierarchical routing.
6.a) Explain the need of flow control and buffering in transport layer.
b) List the transport service primitives.
7.a) Define Firewall. List the various types of firewalls and their designing.
b) Draw the block diagram of DES Algorithm and explain it.
8. Answer any two of the following:
i) Authentication protocols
ii) SMTP
iii) ATM cell format and HEC algorithm.
KEYWORDS:COMPUTER COMMUNICATION,COMPUTER COMMUNICATION QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.C.A IV SEMESTER SUPPLEMENTARY EXAMINATIONS JULY COMPUTER COMMUNICATION
Code No: 43
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.C.A IV Semester Supplementary Examinations July 2010
COMPUTER COMMUNICATION
Time: 3hours Max.Marks:60
Answer any five questions
All questions carry equal marks
- - -
1.a) List the goals and objectives of ISO OSI reference model.
b) Compare and contrast ISO OSI model with TCP/IP model.
2.a) Explain the data link layer design issues.
b) Discuss the role of data link layer in internet.
3.a) What are the various channel allocation methods. Explain them.
b) List the services provided by AAL.
4.a) Explain any two internet control protocols.
b) Define Tunneling & fragmentation. Explain their importance in the Network layer.
5.a) Explain the congestion control principles and congestion prevention policies.
b) Explain the Distance vector routing and Hierarchical routing.
6.a) Explain the need of flow control and buffering in transport layer.
b) List the transport service primitives.
7.a) Define Firewall. List the various types of firewalls and their designing.
b) Draw the block diagram of DES Algorithm and explain it.
8. Answer any two of the following:
i) Authentication protocols
ii) SMTP
iii) ATM cell format and HEC algorithm.
KEYWORDS:COMPUTER COMMUNICATION,COMPUTER COMMUNICATION QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.C.A IV SEMESTER SUPPLEMENTARY EXAMINATIONS JULY COMPUTER COMMUNICATION