Tuesday, June 17, 2014

ADVANCE COMPUTER NETWORKS (ACN) MAY 2013 COMPUTER SCIENCE SEMESTER 6

ADVANCE COMPUTER NETWORKS (ACN) MAY 2013  COMPUTER SCIENCE SEMESTER 6

Con. 9723-13.                                                                                                    GS-1219
                                                             (3 Hours)                                     [Total Marks : 100]

N.B. : (1) Answer any five questions out of seven.
          (2) Each question carries equal marks.

1. (a)Explain ATM Adaptation layer giving details of different classes of traffic.10
    (b)Explain X.25 protocol stack, detailing operation of X.25/3 (Network layer).10

2. (a)

What are the advantages of MPLS compared to IP over ATM ? Explain MPLS switching

10
using level stacking.
    (b)Explain SNMP MIB structure by giving example. Also expalin different types of10
messages exchanged.

3. (a)

Explain how reservation in the Intserv model is carried out using RSVP protocol. What

10
are different RSVP messages sent ?
    (b)Explain the operating principle of DWDM technology.10

4. (a)

What are the requirements of a Backbone Network Design ?

10
    (b)What is the role of subnet mask in classless as well as classbase IP routing ? Explain10
with the help of examples.

5. (a)

How traffic characteristics affect the network design while doing capacity planning ?

10
    (b)Explain why unicasting routing protocols are not used for multicasting. Explain any10
one multicasting routing protocol in detail.

6. (a)

Write a connection oriented socket program for client server communication in either

10
C++ or Java.
    (b)Compare and contrast IP V4 with IPV6.10

7.

Short note on any four :-

20
       (a) H. 323
       (b) SONET/SDH
       (c) M/M/1 Queuing theory
       (d) BGP
       (e) B-ISDN reference model.

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