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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.
Firewall is a device or a component that restricts access between a protected or an internal network from an external or untrustworthy network .A firewall basically limits unautho
Torus The mesh network with enclose around connections is called Tours Network.
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
OBJECTIVES After reading this unit, you should be able to: Describe the basics of parallel programming; Explain the parallel programming based on message passing;
What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
What is Daemon A daemon is a UNIX background process that implements the server side of a protocol. Daemons are unique to UNIX. For example, FTP stands for the File Transfer
Illustrate the Bellman-Ford algorithm The Bellman-Ford algorithm uses only on information from its neighbours and knowledge of its link costs, to update it costs and paths. Dij
Question 1 Describe any five different types of computers Question 2 Explain Bus Type LAN. Its advantages and disadvantages and examples Question 3 Explain the s
what is inheritance in computer systems special permissions?
What is inference? Ans) The principle of "inference" is fairly a simple one: being capable to derive new data from data that you already know. In a mathematical sense, querying
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