Cochin University of Science and Techology (CUST) 2005-7th Sem B.Tech Information Technology ,, Computer Networks - Question Paper

B. Tech. Degree VII Semester Examination

November 2005

BTS(C) -VII -05 - 066(A)

1T/CS/EC 701 COMPUTER NETWORKS (2002 At{missions onwards)

Time: 3 Hours    Maximum Marks: 100

I    a) Briefly explain the TCP/IP reference model and functions of each layer.    (10) b) Briefly explain the B1SDN and ATM reference model.    (10)

OR

II    a) Briefly explain the OSMSO reference model and functions of its layers.    (12) b) Explain the following:

i) X.25 networks ii) frame relay    (4x2*8)

ill a) Explain the sliding window protocol with example.    (14)

OR

IV a) What is ARP? Explain its functions in detail.    (8)

b) Explain and compare:

i) TDM    ii) FDM

V

a)

Explain

b)

Explain

VI

a)

Explain

b)

Discuss

VII

)

Whal is

b)

Discuss

VIII

a)

What is

b)

Explain

IX

a)

Explain

b)

What is

X

a)

Explain

b)

Explain