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Electronic Mail
One of the most popular internet services is electronic mail ( e mail). At the beginning of the internet era teh message sent by electronic mail were short and consisted of text only they let people exchange quick memos. Today electronic mail is such more complex. It allows a message to include text audio and video it also allows one message to sent to one or more recipients.
Figure presents a high level view of the internet of the internet mail system. It has three major components user agents mail servers, and the simple mail transfer protocol (SMTP). We now assume that a sender heena sending an e mail message to a recipient Harish. User agents allow users to read reply to forward save and compose message. When server when Harish wants to read a message his user agent retrieves the message from his mailbox in his mail server.
figure A high level view of the Internet e- mail system
Each recipient such as harsh has a mailbox located in one of the servers. Harish mail box manages and maintains the messages that have been sent to him. A messages starts its journey in the sender user agent travels to the sender mail server and travels to the recipient mail server where it is deposited in the recipient mail box when box authenticates Harish ( with user name and password). If Heena serve cannot deliver mail to Harish server Heena server holds the message in a message queue and attempts to transfer the message later.
Middleware is distributed software required to support interaction among clients and servers. In short, it is the software that is in the middle of the Client/Server systems and it
Q. Show the Use of flow control? Flow control denotes to a set of procedures used to restrict the amount of data that the sender can send before waiting for Error Control
The term "forest" is used to explain a collection of AD domains that share a one schema for the AD. All DC's in the forest share this schema and it is replicated in a hierarchical
1. A systematic study of failures will help in identifying areas that may cause : i. Loss of adjacent parts/ equipment/ whole equipment. ii. Loss of production and rev
Overview Create a prototype web site for the "Computer Superstores" company. Your site should use effective navigation features and demonstrate good structure for accessibility
To relieve some programming burden, project 5 is a group project that two students can form a group to do and submit one report. In your submitted report, please specify who is you
Q. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address
OSI= Open System Interconnection.
Questions: A signal of amplitude 10 mV is fed to the amplifier in the figure. What is the amplitude of the voltage at the output from the amplifier?
Optimizing STP Because there is a separate instance of the spanning tree for every active VLAN, a separate root election is conducted for each instance. If the default switch p
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