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TWO DIFFERENT KINDS OF TOPOLOGIES:
LOGICAL TOPOLOGY:
It is described by the specific network technology.
PHYSICL TOPOLOGY:
It relays on the wiring scheme.
NETWORK INTERFACE CARD AND WIRING SCHEMES:
Figure
To allow modifying the wiring without modifying the interface hardware, NICs support multiple wiring methods. it is given in the figure below.
Q. Describe about Data Communications? - Data - Information presented in whatsoever form is agreed upon by the parties creating and using the data - Data Communications - ex
configure a router . get the default gateway
I NTRODUCTION Reliability prediction is an important method for evaluating a system design, right from its conceptual stage through development and manufacture and al
Can you describe the concept of NAT
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
explain Learning Bridges in deatil.
Some multiple WAN methods are defined below: ARPANET: It start in 1960's. It was operated by Advanced Research Project Agency, which is a company of US defense department.
Wait protocol The wait protocol is used for resolving the conflicts, which arise due to number of multiprocessors demanding the same resource. There are two types of wait prot
Error Detection- Check Sum The Checksum generator are subdivides the data unit into equal segments of "n" bits (usually 16) These segments are added utilizing one's c
Define Bandwidth and Latency? Network performance is calculated in Bandwidth (throughput) and Latency (Delay). Bandwidth of a network is given by the number of bits that can be
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