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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.
Calculate the Network Address, the broadcast address and the host range, for the following host address i. 192.168.180.94/27 ii. 172.23.8.19 /21 iii. 147.252.238.20 255.255.240.0 b
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
Question: a) One of the most important duties of a system administrator is to protect the information that is stored on network servers. In the same context, describe both Ma
Which form of PPP error detection on Cisco routers monitors data dropped on a link? Ans) The Quality protocol monitors data dropped on a link. Magic Number avoids frame looping
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ACME Corp is located in Toledo, Ohio. They would like to create a network and divide it into 3 subnets, each subnet has 150 computers. The IT plan calls for connecting the LAN to t
Advantage of IP sec Tunnelling Mode IP Sec tunnelling mode has the following advantages: a.Security : Ts IP sec tunnelling mode secure somewhat but not the best. In a
Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c
The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplan
What are the data units at different layers of the TCP / IP protocol suite? The data unit formed at the application layer is known as a message, at the transport layer the data
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