MIT3031– High Speed Networks

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PROGRAM

Master of Science in Information Technology(MSc IT)Revised Fall 2011

SEMESTER

3

SUBJECT CODE & NAME

MIT3031– High Speed Networks

Qus:1 Explain WLAN components.

Answer:

WLAN components

A local area network (LAN) connects computers, printers and other devices to allow sharing of data and resources. LANs are limited to coverage of one location, typically a building, and usually use network

Qus:2 Describe Multi-server queue using suitable diagrams and equations.

Answer: The aim of the queuing analysis is to make use of analytic models to yield the desired parameters to determine the buffer size. The following two queuing models can be used as analytic

Qus:3 What is meant by congestion? List and describe different types of congestion.

Answer: The situation wherein network resources are constantly overloaded or the overall demand of a resource exceeds its capacity is termed as congestion. Congestion in a network occurs when the load on the network or the number of packets transmitted to the network is more than

Qus:4 In TCP what is timer? List the timers that TCP maintains for every connection and explain any three.

Answer: In TCP protocol, timers are applied in various positions and these timers restrain retransmissions and restrict the hold time for lost packets. Jiffies variable is the basis for all timers. Function pointers in a timer structure take a behavior function when initialized. Once the timer ends

Qus:5 What is meant by Resource Reservation Protocol (RSVP)? Write any three salient characteristics. List RSVP traffic types and explain any two.

Answer: RSVP is a signaling protocol that offers reservation setup and control. It enables Integrated Services (IntServ) which is designed to emulate circuits on the Internet. This is the most complex QoS technology for elements of a network (routers, switches) and applications (hosts). But, it

Qus:6 with suitable diagram describe Routing Information Protocol (RIP) message format. Write two benefits and two drawbacks of RIP.

Answer: RIP is based on distance vector routing. It implements vector routing using the following considerations:

 An AS has both routers and networks. While routers have routing tables, networks don’t.

 The first

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