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F1054 Pages: 2

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), MAY 2019

Course Code: CS306
Course Name: COMPUTER NETWORKS
PARTA
Answer all questions, each carries3 marks.
Distinguish between interface, protocol and layer in network software.
What are point to point and broadcast networks?
Draw the different frame formats in HDLC.
How does pure aloha and slotted aloha differ?
PART ‏تا‎
‎Answer any two full questions, each carries9 marks.
List the design issues of layered network software.
Explain WAN and communication subnet?
Compare TCP/IP Reference model and OSI Reference model.
With neat diagram, explain OSI reference Model.
Explain the working of CSMA/CD?
Explain how Token management is done in IEEE 802.5.
Distinguish between switches and bridges.
List the features of Gigabit Ethernet.
PART C
Answer all questions, each carries3 marks.
List the network layer functions.
Differentiate between Flooding and broadcasting
How token bucket algorithm performs congestion control?
List the private IP address ranges of class A, B and C?
PART D
Answer any two full questions, each carries9 marks.
Explain how routing is performed using link state algorithm? Illustrate with an
example.
Give the relevance of age field in a link state packet.

Explain any two congestion control algorithms

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Duration: 3 Hours

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