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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.
The following information was obtained from a host computer: 00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384 (DF) (ttl 46, id 2096
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
Question 1: a) Give three examples of Shells in Linux. b) Differentiate between the Join command and the Paste command in Linux, use an example to support your answer.
MPI_Wtime ( ) returns elapsed wall-clock time in seconds as some arbitrary point in past. Elapsed time for program segment is specified by the difference between MPI_Wtime values a
What is the difference among URL instance and URL Connection instance? Ans) A URL instance represents the location of a resource, and a URL Connection instance shows a link for
Q. Factors effects the quality of image of monitor? Four factors effects the quality of image of monitor: 1. Phosphor coating: This affects the colour and persistence (Th
TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
Advantages of LS over DV algorithm There are a number of advantages to link state protocols especially when compared to the distance vector based routing protocols. The
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
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