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What is Error Control ?
Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in transmission and coordinates the retransmission of those frames by the sender. In the data link layer, the term error control refers primarily to method of error detection and retransmission.
Database servers connected as a cluster to the main server There could be three database servers connected as a cluster to the main server to provide better connectivity and se
What are the basic LAN topologies? The three simple LAN topologies that are combined to shape any practical topology are called as basic LAN topologies. They are, Bus Topology
Cube: It's a 3 dimensional interconnection network. In Cube PE s are organised in a cube structure. Figure 11: Cube interconnection network
importance of mail server ,proxy server ,modem ,intranet and web site
- The project should include a web server, and an example webpage - Webserver should continue to accept multiple requests from client browser - Webserver should print out logs: how
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
What is anonymous FTP? Anonymous FTP is a way of granting user access to files in public servers. Users that are permitted access to data in these servers do not require identi
Q. Explain Types of Redundancy Checks? Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redund
Error detection and correction The digital traffic stream of second generation systems also lends itself to the use of error detection and correction methods. The result can be
In OSI 7 layer model, a header, or possibly a trailer, can be added to the data unit at each layerI 7 layer, but we will define a simple virtual packet which contains only 8bit dat
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