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What is MAN? MAN - Metropolitan Area Networks. MAN is bigger than a LAN and as its name implies, covers the area of a single city. MANs rarely extend beyond 100 KM and frequ
What is Bit Stuffing? Bit stuffing is the process of adding one extra 0 whenever five consecutive is follow a 0 in the data, so that the receiver does not mistake the pattern 0
Why are packets important in a network?
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
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
TCP creates a reliable data transfer service, in addition to IP''s unreliable best-effort service. Study the related sections of the text, and in your own words, summarize how TCP
Explain the uses of Firewall in computer For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preve
Reliability is the probability of success ; where success is defined as compliance to specified requirements. A system or an item is considered reliable if it performs satisfactori
What is Daemon A daemon is a UNIX background process that implements the server side of a protocol. Daemons are unique to UNIX. For example, FTP stands for the File Transfer
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
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