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Q. What is Retransmission timer?
- not fixed because paths that IP packets take may differ
- If too short - retransmissions -> waste of bandwidth
- If too large - delay for the application program
RTT = * previous RTT + (1- ?)*current RTT, usually 90 %
- don't consider the RTT of a retransmitted segment in the calculation of the new RTT
Wideband Digital Cross Connects A SONET cross connect accepts various optical carries rates accesses the STS signals and switches at this level . it is idally used at
Question: (a) Suppose that you are a communication engineer and you have to construct a mobile telephone network with bandwidth W = 4.2 MHz in each link. The data rate is
The Address Resolution Protocol (ARP) sends out a broadcast to verify the MAC address from the IP address.
Q. Resolution of domain name system? - Mapping a name to an address or else an address to a name - Resolver is a DNS client used by an address to provide mapping - In re
Features of FDM 1.The FDM channel carries only one phone circuit at a time. 2.If an FDM channel is not in sue then it is sits idle and cannot be used by other user
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When a P is returned when a Trace is run, it means the Protocol is unreachable.
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