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The Received Message
If we didn't mention another class of header lines that are inserted by the SMTP receiving server. The receiving server upon receiving a message with MIMI header lines appends a received header line to the top of the message this header line specifies the name of the SMTP server that the message (From) the name of the SMTP server that receive this massage (by) and the time at which the receiving server received the message. Thus the message seen by the destination user takes server received the message. Thus the message seen by the destination user takes the followings form received: From yahoo.com by reddiff.com 11 july 08 15: 27:39GMT
From : heena @yahoo.com
To : Harish @ rediffmail.com
Subject : Picture of monalisa
MIME version 1. 0
Content transfer encoding : bas 64
Content type image / jpeg
Base 64 encoded date
The received header line is directly seen on the screen or when the message is sent to a printer.
Repeater Repeater is also named as active hub operates at physical layer of OSI model. Repeater is an electronic device that simply regenerates the signal. Signals travell
Which protocol will send a message to routers if a network outage or congestion happen Ans) Internet Control Message Protocol - ICMP will send a message to routers if a network
Question: (a) Show by means of a diagram the Ethernet frame structure and describe the six fields of the Ethernet frame structure. (b) Explain the operation of the Carrier S
discuss the concept of redundancy in error detection and correction
Any protocol used by an internetwork to exchange routing data within an autonomous system. E.g. RIP, IGRP and OSPF.
IEEE 8021.d Spanning Tree Protocol (STP) was developed to stop routing loops in a network. If a router, switch, or hub has more than one path to the similar destination, a routing
Company seldom uses a single router to connect its entire network for two purpose. Because the router must transmit every packet, the processor in a provided router is insuff
When we specifically block, single router update for other routers
Address is a full unique identifier. Connectionless delivery needs address on every packet. Connection-oriented delivery may use a short hand that shows the connection rather th
What do you mean by Protocol? In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers exchange information over a netw
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