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What is Multi-mode fiber
Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers.
FDDI specifies the utilization of dual rings for physical connections. Traffic on every ring travels in opposite directions.
Physically the rings contain two or more point-to-point connections between adjacent stations.
Error Correcting Code - Hamming Code: Hamming code is the one of the error-correcting code named after its inventor. Because of the simplicity of the hamming code, it can dete
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
What is meant by horizontal scaling and vertical scaling? Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact. Vertical
As there will be more devices there will be more traffic of information. We can include capacity to WAN by adding more links and packet switches. Packet switches use not have compu
Transmission Control Protocol (TCP) TCP makes the Internet reliable. TCP solves several problems which can occur in a packet switching system. TCP provide the given facilities:
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
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically
Protocol Layering To design structural network protocols the designers organize protocol and use the network hard ware and software to implement the protocol in layers. E
Performance Running on inexpensive hardware oracle web cache increase the throughput of website by several orders of magnitude. In addition oracle web cache signific
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