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ATM can give customers with virtual circuits that seem traditional leased digital circuits. Such permanent virtual circuits (PVC) fixed as the customer pay the periodic fee for its use. The forwarding tables are naturally restored after power of equipment failure. The forwarding table entries for such fixed VC's are statically managed, the ideas used by Telco's for this is provisioning.
Provisioning needs two steps:
1. To calculate a complete path.
2. To select appropriate VPI/VCI for every step in the path, and manage each adjacent pair of switches.
how to switching and routing
Recognize the command that configures serial0 for PPP encapsulation Ans) Router(config-if)# encapsulation ppp
It is a basic quantitative property of networks. Delay is a calculate how long it takes for a bit of data to cross across the network from one end to the other. It is calculated in
define protocol
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
Q. Show a simplex Stop and Wait automatic repeat request? A simplex Stop and Wait ARQ - Normal Operation - Frame lost - Acknowledgement lost - Acknowledgement de
what is inheritance in computer systems special permissions?
Transparent Bridges & Learning Bridges - Builds table by examining destination as well as source address of each packet it receives - Learning bridges - If address is not
Serialized data is not generally sent at a uniform rate by a channel. Instead, there is usually a burst of regularly spaced binary data bits followed by a pause, after which the da
What are reasons behind using layered protocols Reasons for using layered protocols, using them leads to breaking up design problem into smaller more manageable pieces and lay
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