Computer Network Technology - May 2015

Information Technology Engineering (Semester 5)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.

Answer any one question from Q1 and Q2

1 (a) What is the significance of ARP and RARP Protocols?(6 marks) 1 (b) Explain operation of ICMP with suitable example.(4 marks)

Write short notes on (any two):

10 (a) Addressing in WSN.(8 marks) 10 (b) 100 Gigabit Ethernet.(8 marks) 10 (c) Software defined networking.(8 marks) 2 (a) For a given class B network 144.155.0.0 with default subnet mask, how can you divide it into 8 subnets? Write the
i) range of each subnet
ii) network IP for 7^th subnet
iii) broadcast IP for the 7^th subnet
iv) subnet mask in subnets.(6 marks) 2 (b) What is silly window syndrome problem.(4 marks)

Answer any one question from Q3 and Q4

3 (a) Describe 3-way handshake for connection establishment in TCP.(6 marks) 3 (b) Explain email architecture & its services.(4 marks) 4 (a) What is FTP? Where & when is it used? Why does it require two ports.(6 marks) 4 (b) Describe SMTP header format.(4 marks)

Answer any one question from Q5 and Q6

5 (a) Explain architecture of 802.11.(10 marks) 5 (b) Describe bluetooth protocol stack.(8 marks) 6 (a) Explain in detail architecture of Bluetooth.(10 marks) 6 (b) What are different technical issues to implement WLAN?(8 marks)

Answer any one question from Q7 and Q8

7 (a) Explain different design constraints of WSN.(8 marks) 7 (b) Explain the difference between Pure ALOHA & slotted ALOHA.(8 marks) 8 (a) Which are different task & characteristics of transceiver?(8 marks) 8 (b) What are different design issues of MAC protocol of WSN?(8 marks)

Answer any one question from Q9 and Q10

9 (a) Differentiate between content based & geographic routing.(8 marks) 9 (b) Describe SPIN routing protocol.(8 marks)