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- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to networking.
- In 1984 in order to aid network interconnection with no necessarily requiring complete redesign the OSI (Open Systems Interconnection) reference model was approved as an international standard for communications architecture.
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 how DHCP work?
Has a central core conductor covered in an insulating sheath encased in an outer conductor of metal foil RG numbers indicate physical specs such as thickness and type of insula
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
State about transcontinental ?ber A transcontinental ?ber link may have many gigabits/sec of the bandwidth, but latency will also be high due to speed of light propagation abov
Ans) UDP TCP SPX
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Notice repetition of information in routing table for node 1 as given above in the figure. We can see that switch has only outgoing connection, all traffic must goes that connec
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