Computer Communication Network Question Paper - May 18 - Electronics Engineering (Semester 6)

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yashbeer ★ 11k

Computer Communication Network - May 18

Electronics Engineering (Semester 6)

TAKEN FROM CREDIT BASED PATTERN

Total marks: 80
Total time: 3 Hours INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

Q1) Answer any four:

1(a) Explain the various categories of networks.

(5 marks) 00

1(b) Give any four functions of Data Link Layer.

(5 marks) 9981

1(c) Explain bit stuffing and unstuffing with respect to HDLC.

(5 marks) 9991

1(d) Open loop congestion techniques

(5 marks) 10012

1(e) Explain the concept of Pseudo header used in UDP.

(5 marks) 00

2(a) Explain the various physical media with the help of neat diagrams

(10 marks) 00

2(b) Compare Circuit Switching, Packet Switching and Message Switching.

(10 marks) 10003

3(a) Distinguish between Go Back N ARQ and selective reject ARQ Sketch the frame flow diagram for Go Back ARQ and 3 bit sequence number field and window size of 5, showing the following events:

(i) Frame 0 is sent, Frame 0 is acknowledged

(ii) Frames 1 and 2 are sent, Frames 1 and 2 are acknowledged

(iii) Frames 3,4,5 are sent, Frame 4 is damaged

(iv) Timer for frame 5 expires

(10 marks) 9995

3(b) Explain the different Options used in IP Datagram.

(10 marks) 10005

4(a) Differentiate between IPv4 and IPv6. Determine the class and network address for the same following IP addresses. (Assuming subnetting is not being used and use default mask)

(a) 84.42.58.11

(b) 195.38.14.13

(10 marks) 10009

4(b) Explain the various implementations of Standard Ethernet with neat diagrams.

(10 marks) 00

5(a) Draw the TCP segment header format and explain each field in brief.

(10 marks) 10286

5(b) Explain the recursive resolution and iterative resolution methods of resolving the Domain names.

(10 marks) 00

Q6) Write short notes on: (any four)

6(a) CSMA/CA

(5 marks) 9992

6(b) HDLC

(5 marks) 9996

6(c) Three Way Handshakes.

(5 marks) 00

6(d) World Wide Web.

(5 marks) 00

6(e) IPV6

(5 marks) 11972

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