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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 silly window syndrome? It is a difficulty that can ruin TCP performance. This problem happens when data are passed to the sending TCP entity in large blocks, but an int
The entire idea of ISDN is to digitize the telephone network to allow the transmission of video, audio and text over existing telephone lines. The reason of the ISDN is to provide
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
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State the benefits of Infrared light Infrared light does not penetrate walls or other opaque objects. This has two benefits: First, infrared communications can be more simply
QUESTION (a) Briefly describe the steps involved in Network Simplex Method. (b) In Radix Heap Algorithm, the technique of buckets is employed. However this idea is an extens
Advantage of guided media
Vector-Distance algorithm illustrated in more detail below: Packet switches wait for next update message and they goes by entries in packet. If entry has least path to destinat
What is on electronic payment system? Electronic payment systems are alternative cash credit payment methods using several electronic methods to pay for products and services in
Checksum This 16 bits field contain the checksum. The calculation of the checksum for TCP follows the same procedure as the described for UDP. However the inclusion
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