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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.
Sender requests connection from network. Other receiver agrees to connection. Computers interchange data through connection. One-endpoint requests network to split connection when
Q. Network performance measured by delay and throughput ? delay versus load Delay is composed of? Throughput v/s network load
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
Hybrid Networks Allows an organization to have its own private networks and at the same time access to the global internet. the organization may share its information w
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
QUESTION (a) Name two properties of an agent (b) List the three characteristics used to classify agents according to the Nwana Taxonomy (c) Agent environments can be clas
Can you describe PPP link process step by step?
What is a Multiplexor
Two broad classes of middleware are a) General middleware b) Service-specific middleware.
Categories to access the Intranet Persons who can find access to the Intranet can be put into three categories. 1. Those who can enter the site 2. Those who can access
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