Test Paper - Data Communication Network - Punjab Technical University - Electronics and Communication Engineering, Study notes of Electronics engineering

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Roll No. ...................... '" Total No. of Questions: 08] (^) [Total No. of Pages: 02

Paper ID [EC503]

(Please fill this 'Paper ID in OMR Sheet)

M.Tech.

DATA COl\tIMUNICATION NETWORKS (EC/ECE - 503)

Time: 03 Hours Instruction to Candidates:

1. Attempt any Five questions..'
2. All questions carry equal marks.

Maximum Marks :J 100

Ql) (a) Discuss the various types of transmission media and compare them. (b) Explain bit oriental and character oriental protocols in detail. Q2) (a) Explainthe time division multiplexingin detail. (b) Compare circuit switching, message switching and pocket switching' techniques. Q3) (a) Explain the structure of taken ring with a suitable example. (b) Gompare the virtual circuit and datagram computer networks. Q4) (a) List and describe the ATM n/w service models.. .. (b). Consider a LAN to which 10 host interfaces and three router interfaces are attached. Suppose all three LANs use class C addresses. The IP addresses forthe 13devices will be identical in which of the first 32 bits?

Q5) (a) Explain the concept of firewall in detail.

(b) Explain the differentbuyers of TCP/IP protocol.

Q6) (a) Compare the important features of UNIX and LINUX. (b) Explain the CRC protocol for error detection.

Q7) (a) Compare and contrast the IPv4 and IPv6 header fields. Do they have any fields in common. Explain. (b) Discuss the various .servicesprovided by data link layer.

Q8)" Write short notes on the following: (a) CSMAI CD protocol. (b) Intrusion Detection Systems.