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What are the Access methods used in LAN:
i. Switched access: It is used in LANs which are assigned around CBXs. Electronic switching is techniques are used to provide access.
ii. Multipleaccess: In multiple access schemes like CSMA, whenever a station gets ready for transmission, it first listens to bus to see if there is any ongoing transmission. If there is one, new transmission isn't initiated until bus becomes free. This makes sure that an ongoing transmission isn't corrupted by a new transmission.
iii. Token passing access: In this scheme, a token packet is introduced to network. This packet continues to circulate through network as long as no user accepts it. When a user works to transmit he waits for token packet to reach him and accepts token, this acceptance removes token packet from the network.
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Q. Explain about Multiplicative Decrease ? Multiplicative Decrease (MD) if a time-out take places the threshold is set to one maximum segment size (TCP Tahoe, TCP Reno).
BRDGING BETWEEN BUILDINGS: If two buildings are placed far from each other, a bridge, a pair of fiber modems and an optical fiber may be used to locate two LANs as given in t
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
DLCI stands for Data Link Connection Identifier. It identifies the local PVC.
The most expensive method of accessing the Internet is to employ leased lines that directly connect to the ISP. This will enhance access rate to anywhere between 64 K and 1.5 Mbps,
MPI_Wtime ( ) returns elapsed wall-clock time in seconds as some arbitrary point in past. Elapsed time for program segment is specified by the difference between MPI_Wtime values a
What is silly window syndrome? It is a difficulty that can ruin TCP performance. This problem happens when data are passed to the sending TCP entity in large blocks, but an int
LAN HARDWARE AND PACKET FILTERING: The diagram below explain the LAN hardware LAN INTERFACE: LAN interface operates all details of frame reception and transmis
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