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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 for even parity. It can spot all single-bit errors. It can spot burst errors only if the total number of errors in every data unit is odd.
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
discuss communication isolation and privatization in network topologies
Q. TCP – numbering bytes? Numbering is utilized for flow & error control Segments aren't numbered only bytes Full-duplex connection - numbering is independent in
You are a network consultant working for a large European networVservice provider and have been given the task of reviewing the future network requirements of the company for its f
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Packing and Unpacking Data pvm_packs - Pack the active message buffer with arrays of prescribed data type: int info = pvm_packf( const char *fmt, ... ) int info = pv
What are the Data link protocols? Data link protocols are sets of specifications used to implement the data link layer. The categories of Data Link protocols are 1. Asynchro
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