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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.
Describe Circuit switching, Packet switching and Virtual Circuit Packet switching. Explain their suitability for different applications such as telephone and internet. Packet S
File servers are useful for sharing files through a network. With a file server, the client passes requests for file records over network to file server
ARP(ADDRESS RESOLUTION PROTOCOL) is a network layer protocol which associates the physical hardware address of a network node(commonly called as a MAC ADDRESS) to its ip address. n
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
Determine the Objectives of computer security Though computerisation helps a lot in proper organisation of experience, it also opens a Pandora's Box simultaneously. On one
CAM- Content Address Memory. Its another name of MAC address table.
DNS in the Internet -Domain name space is split into three sections: country, generic and inverse -Generic domains define hosts by generic behavior -Country domains are
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
discuss the communication model from the source to the destination including the detailed account of the task that must be performed in data communication system
Draw a work breakdown structure (WBS) diagram for the project, to show all the planned tasks. This WBS should contain at least two levels. b) Explain the main differences between
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