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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.
Hubs/Repeaters Hubs/Repeaters are used to connect together two or more network segments of any media type. In larger design, signal quality starts to deteriorate as segment exc
confiriguration,capabilities,implementation
CONNECTION TO PACKET SWITCHES: A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j
As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer
Destination unreachable Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
UPD is a layer 4 Transport protocol. It is connection-less due to it does establish a connection thus the 3 step handshake is not needed, it does NOT execute any flow control or ac
Matric define as Formula of path selection
As there will be more devices there will be more traffic of information. We can include capacity to WAN by adding more links and packet switches. Packet switches use not have compu
Whenever it manage a packet, IP software requires to separate the receiver address into a suffix and prefix. Classful internet addresses are self-identifying because the class of t
Point out the major advantages of Ring Topology. The benefits of ring topologies are: a. They are very simple to troubleshoot because every device incorporates a repeater.
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