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Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
Higher bandwidth Fibre optic cable an support dramatically higher bandwidths than either twisted pair or coaxial cable currently data rates and bandwidth utilizatio
Explain BGP
What is NVT (Network Virtual Terminal) It is a set of rules explaining a very simple virtual terminal interaction. The NVT is used in the begin of a Telnet session.
Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realisti
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
Store-and-forward switch The layer 2 switch accepts a frame on an input line, buffers it briefly, and then routes it to the appropriate output line. Cut-through switch
Write the characteristic of Store and Forward switches? A) Store and Forward switch will not forward fragments. B) The longer the frame, the longer the delay (latenc
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
Ping and Traceroute are used by ICMP for Testing. Destination Unreachable messages are obtained by a router when it does not have a route to the network.
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