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Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
objective practical questios answers
The progress of any industry and indeed countries as well, today is linked to the effective performance of its equipments, processes and systems. Reliability engineering, not only
Output Port The function of the port is take the packets that have been stored in the out put port memory and transmits them over the out going link. The queuing and bu
What are different ways of securing a computer network? There are lots of ways to do this. Install reliable and updated anti-virus program on all computers. Make sure firewalls
discuss the communication model from the source to the destination including the detailed account of the task that must be performed in data communication system
Unbound Transmission Media Unbound transmission media extend beyond the limiting confines of cabling. They give a good communication alternative for WANS. The lack of physical
What is ARCNet? The Attached Resource Computer Network (ARCNet) standard was formed in 1977 at the Data Point Corporation by a scientist - John Murphy. ARCNet uses the toke
What is Ring Topology? The physical ring topology is a circular loop of point-to-point links. Every device connects directly to the ring or indirectly by and interface device o
What is meant by horizontal scaling and vertical scaling? Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact. Vertical
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