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Mail Access Protocols
The e mail message are usually sent to an email server that stores received message in the recipient e mail mailbox. The user retrieves message with either a web browser or an e mail client that uses one of a number of mail retrieval protocols.
Some clients and servers preferentially use vendor specific proprietary protocols. But most support the internet protocols, SMTP for sending e mail and POP3 ( post office protocols version 3) and IMP4 ( internet Mail Access protocols , version 4 for retrieving email allowing mterprebability with other servers and clients. SMTP can also be used for retrieving email. It is more suitable for permanent internet connection than say a dialup connection and is not supported by most e mail client software.
What is Stop-and-Wait Protocol? In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends
As a system administrator, you require to debug igrp but are worried that the "debug IP igrp transaction" command will flood the console. What is the command that you should use?
Token Bus Physical order of stations doesn't matter Line is broadcast medium "Send" token by addressing neighbour Provisions for deleting, adding stations
Can you define Ping and Tracert?
What are the five major technologies that can be used to create Client/Server applications? Database Servers Groupware TP Monitors Distributed Objects Intranets.
Originally Linux/UNIX systems had one all-powerful user called root that managed systems. Discuss the risks of having a single root user and how more limited management abilities c
Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments
The LAN switch copies the whole frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and verifies the outgoing interface
TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
We studied Dijkstra's link-state routing algorithm for computing the unicast paths that are individually the shortest paths from the source to all destinations. The union of these
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