MU Electronics Engineering (Semester 8)
Advanced Networking Technologies
December 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Answer the following briefly (any four).
1 (a) Compare OSI model with TCP/IP model.
5 M
1 (b) Differentiate between CSMA/CD and CSMA/CA.. Why CSMA/CD can not be implemented in Wireless LAN?
5 M
1 (c) Explain SONET functional layer with a neat diagram.
5 M
1 (d) Explain subnetting and supernetting with an example.
5 M
1 (e) Describe remote monitoring. Bring out its benefits.
5 M

2 (a) Explain Ipv4 datagram format in detail. Compare it with IPv6.
10 M
2 (b) With a neat diagram, explain the frame format of Frame Relay. Explain how Congestion control and Quality of Service is implemented in it.
10 M

3 (a) Explain:
(i) OAM & P
ii) Functions of Routers, Bridge and switches in networking.
10 M
3 (b) Mention the need for network security. Explain different security threats and safeguards.
10 M

4 (a) Explain fragmentation with respect to IPv4 and Illustrate it with an example.
10 M
4 (b) Explain the hardware components of SONET architecture. Draw the frame format of STS-1.
10 M

5 (a) With a neat diagram, explain ATM Cell format. Explain ATM Protocol architecture, bringing out the functions of ATM layer and AAL layer.
10 M
5 (b) Explain DWDM technology in detail, with a neat schematic diagram of DWDM architecture, bring out the advantages of Optical networking.
10 M

6 (a) Explain 'Hidden station problem' in Wireless LAN? How is it tackled? With respect to IEEE 802.11 Protocol, explain the following DCF, PCF, NAV vector.
10 M
6 (b) Explain: (i) DMZ (ii) Layer 7 filtering
10 M

7 (a) Compare Ubiquitous and hierarchical access in Access Network design. Explain the steps for completing access layer design in detail.
10 M
7 (b) What is firewall? What are the capabilities and limitations of firewall? Discuss the different types of firewalls, along with their advantages and disadvantages.
10 M



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