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What is CRC
The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make a pass over frame to compute CRC before transmitting. This would need each byte to be handled twice-once for check summing and one time for transmitting. Using trailer cuts the work in half.
Q. Explain physical layer of Osi reference model? - The physical layer deals among the physical characteristics of the transmission medium. - It defines the mechanical, elec
Q. Define the Distance Vector Routing? Distance Vector Routing Every router periodically shares its knowledge about the entire internet with its neighbours Sharing
Q. Show the Class A Addresses? Class A Addresses Numerically the lowest Use merely one byte to identify the class type and netid Three bytes are obtainable
However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web
what is man LAN wan
Some multiple WAN methods are defined below: ARPANET: It start in 1960's. It was operated by Advanced Research Project Agency, which is a company of US defense department.
Virtual private network The virtual private networks takes the user data encrypts them and sends them to their destination over the internet. the sender and the receiv
Define the uses of Intranet Intranet can largely eliminate paper-based documents, which otherwise become outdated over passage of time. Increased communication will also lead t
different framing methods
Priority and Reservation Higher priority stations may possibly access the token sooner Each station has a priority code Since token passes by station waiting to t
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