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Q. Show the Importance of Security?
The Internet presents enormous business opportunities.
The Internet is open to public, vulnerable to various attacks.
One of the major hurdles that we face in achieving the full potential of Internet-based electronic commerce is security.
New threats from terrorism and cyber warfare.
What are the different kinds of firewall architectures?
Microcells As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp
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Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
This example demonstrates the use of parallel sections construct. The three functions, fun1, fun2, and fun3, all can be executed concurrently. Note that all the section directives
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
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FDDI Media Class B or SAS (single-attachment stations) attach to one ring Class A or DAS (dual attachment stations) attach to both rings. SASs is attached to the primary rin
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