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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.
different components of computer network security
Can you describe passive and active route states?
Q. Categories of Encryption - Decryption ? Categories of Encryption/Decryption - Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
Explain about the Intranet hardware and software Intranets not only provide a secure environment for companies but also provide an excellent working environment that is full of
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
Ping and Traceroute are used by ICMP for Testing. Destination Unreachable messages are obtained by a router when it does not have a route to the network.
What is the role of IEEE in computer networking? IEEE, or the Institute of Electrical and Electronics Engineers, is an organization composed of engineers that issues and manage
802.11b HR DSSS a) High-rate DSSS using a 2.4 GHz band b) Similar to DSSS excluding for encoding method c) Uses complementary code keying (CCK), encoding 4 or 8 bits to
How two adjacent layers communicate in a layered network? (or What do you mean by Service Access Point?) In layered network, each layer has lots of entities and entities of lay
Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n
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