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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer
The performance of interconnection networks is measured on the below parameters. 1) Bandwidth: It determines maximum transfer rate between any two nodes. It is measured in MB
What is the different type of networking / internetworking devices? 1. Repeater: Also known as a regenerator, it is an electronic device that operates only at physical layer.
Explain Wiretapping?
Describe in proper details about OSI Model ? Explain the functions and protocols and services of each layer ?
What Automatic Repeat Request (ARQ)? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in tr
explaination of framing in datalink layer .
How is NAT executed
CHARACTERIZATION OF NETWORKS: There are three kinds of characterization of networks. LOCAL AREA NETWORK (LAN): It is needed for a single building. METROPOLOTAN AREA
Can you describe static default routes?
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