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What are gateways?
Gateways give connectivity among two or more network segments. It is usually a computer that runs the gateway software and gives translation services. This translation is a key in allowing dissimilar systems to communicate on the network.
Q. Describe about Packet Switching? Packet Switching - Data are transmitted in separate units - Called Packet - Packets are variable length blocks - The max leng
Consider an RTP session consisting of five users, all of which are sending and receiving RTP packets into the same multicast address. Each user sends video at 200kbps. a) What
a) TP lite , based on stored procedures. b) TP heavy , based on the TP monitors.
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
What is a File server? File servers are helpful for sharing files across a network. With a file server, the client passes requests for file records over system to file server.
Mesh : This is two dimensional networks. In this all processing elements are organised in a two dimensional grid. The processor in the row i and column j are indicated by PE i .
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
bus topology disadvantage?
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