MAHATMA GHANDHI UNIVERSITY (MG)
B.TECH.
DEGREE EXAMINATION APRIL 2005
DEPARTMENT
OF COMPUTER SCIENCE AND ENGINEERING
6TH SEMESTER
RT 604 COMPUTER
NETWORKS
Max.Marks: 100
Part
A
1. Compare
OSI & TCP/IP reference models.
2. Write
notes on
a)
Communication satellites, b) Route c) Cable modem.
3. Describe
MAC sublayer.
4. Explain
CSMA/CD.
5. Discuss
optimality principle.
6. What
is Flooding? Mention its features.
7. Differentiate
between UDP & TCP.
8. What
is upward and downward multiplexing?
9. Write
short note on
a)
MIME b) Mobile Switching Centre
10. Mention
the functions of Bluetooth L2CAP layer.
(10 x 4 marks)
PART -B
1. Explain
ISDN system architecture. OR
2. Explain
OSI reference model.
3. Explain
one bit sliding window protocol. OR
4. Explain
ALOHA protocol.,
5. Explain
link state & distance vector multicasting. OR
6. Explain
i) Congestion control pnn
ii) Prevention policies
Any one congestion control algorithm.
7. Describe elements of Transport protocol. OR
8. Write
no on ATM. Explain the functions of each ATM subla.yer.
9. a)
Write an essay on Domain Name System.
10. Explain Bluetooth with its
architecture.
(5 x 12 ----- 60 marks)
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