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Explain the term- congestion
The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead of just monitoring present queue length, the system avoids reacting to temporary surges that would not essentially produce congestion. The average queue length might be computed by determining the area (product of queue size and time interval) over the two cycles and dividing by the time of the two cycles
ENTERPRISE NETWORKING 1. Explain that what is a cable? Classify different types of cables. 2. Elaborate switch? Write down the functionalities of switch. 3. Describe rout
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
What is a Multiplexor
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
Token Passing - Token Ring (IEEE 802.5) Needs that station take turns sending data Token passing coordinates process Token is a especially formatted three-byte fr
HEADERS AND FRAME FORMAT: LAN technology standards describe frame format for every technology. All contemporary standards use the following basic format. a) Frame header b
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
In link-state routing network topology is filled from route calculation. Switches send link-state information about local joins. Every switch creates own routing tables. It needs
IGRP uses flash updates, poison reverse updates, hold down times, and divide horizon. How often does it broadcast its routing table updates? Ans) 90 seconds
Torus The mesh network with enclose around connections is called Tours Network.
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