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Q. Explain Simple Mail Transfer Protocol?
Electronic Mail
-Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet
-Addressing consists of two parts: a local part and a domain name, separated by an @ sign
-Local part defines the user mailbox
-Domain name defines the mail exchanger for the organization
Commands SMTP uses commands and response to transfer message between a client and a server. Each commands or reply is terminated by a two character ( carriage re
What are the main features of TCP connections? Why is it said that TCP provides full-duplex service?
Cut-Through is the best mode of switching. Store and Forward reads in the whole frame, confirms the frame is valid, and then forwards the frame onto the wire. Cut-Through only chec
Thicknet Characteristics It Supports transmission rates up to 10 Mbps in Baseband mode Less expensive in comparison of fiber-optic cable however more expensive than ot
What is Proxy Sever and Firewall Proxy Sever Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver.
Notice repetition of information in routing table for node 1 as given above in the figure. We can see that switch has only outgoing connection, all traffic must goes that connec
The following DNA sequences are extracted from promoter region of genes which are co-regulated by the same transcription factor (TF). The nucleotide segments capitalized in the giv
FILTERING INCOMING FRAMES: An analyzer may be configured to process and filter frames. It may count frames of a specific size or type. It may also shows only frames from or to
When using access lists, it is important where those access lists are placed. Which Statement best defines access list placement Ans) Put standard access lists as near the desti
Data Routing Functions The data routing functions are functions that when executed set the path between source and destination. In dynamic interconnection networks there may be
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