Answer all questions
PART-A [10 x 2 =20 Marks]
1. What are the three fundamental characteristics
determine the effectiveness of the
data communication system?
2. For n devices in a network, what is the number of
cable links required for a mesh and ring topology?
3. Distinguish between
peer-to-peer relationship and a primary-secondaryrelationship.
4.
Group the OSI layers
by function.
5.
Define flow control.
6.
Mention the types of
error correcting methods.
7.
What is meant by bit
stuffing?
8.
Mention the advantage
and disadvantage of stop and wait f low control.
9.
Mention the various
architecture in a LAN.
Answer all questions
11.aExplain ISO/OSI reference model. (16)
Or
b. Explain the
categories of networks.& topology.
12.
a. Explain error detection techniques. (16)
Or
bExplain the Framing and it characteristics
13.
a. Explain the flow control mechanism (16)
Or
b. i)Explain the timers
and time registers in FDDI.
ii) Explain the frame format for
FDDI
14.
a. Explain about Ethernet. (16)
Or
b. Explain about HDLC.
15.
a. Define MAC .
Explain the Wireless LAN 802.11. (16)
Or
b. i)Define bridge and explain the type of bridges
ii)Define Switches and explain the types of switches.
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