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Q. Explain Simple Mail Transfer Protocol?
Electronic Mail
-Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet
-Addressing consists of two parts: a local part and a domain name, separated by an @ sign
-Local part defines the user mailbox
-Domain name defines the mail exchanger for the organization
State the process of calculate the drift rate A drift rate of 10 -9 means 1 second in 109 seconds or 1 nsec every second. At OC-1 speed, say 50 Mbps for simplicity, a bit las
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
IEEE 8021.d Spanning Tree Protocol (STP) was developed to stop routing loops in a network. If a router, switch, or hub has more than one path to the similar destination, a routing
What do you mean by Beaconing and Auto-Reconfiguration? When a station does not receive a message from its nearest active upstream neighbor, it sends out a warning, otherwise c
wan notes
Security models by giving striking analogies to the real world A classical case study: (With due acknowledgements to the security exponent who proposed this theory.) He has c
Throughput is a calculate of the rate at which data can be transmit through the network. The throughput capability of the underlying hardware is known bandwidth. Because every fram
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
Network Service Model The network service model defines the characteristics of end to end transport of data between one edge of the network to the other that is betwe
What is Multiplexing? Multiplexing is the set of techniques that permits the simultaneous transmission of multiple signals across a single data link.
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