Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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.
Question: (a) Explain the usage of the following parts of the IPv4 datagram format. i. VERS ii. HLEN iii. TOTAL LENGTH iv. SERVICE TYPE v. HEADER CHECKSUM (b) Na
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.
write a html program segment that contains hypertext links from one document to anothersk question #Minimum 100 words accepted#
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
What is inference? Ans) The principle of "inference" is fairly a simple one: being capable to derive new data from data that you already know. In a mathematical sense, querying
Can you describe in a generic manner the packet of IPSec
Recognize the command that configures serial0 for PPP encapsulation Ans) Router(config-if)# encapsulation ppp
Station Types No-transition mobility moreover stationary or moving only inside a BSS BSS-transition mobility is able to move from one BSS to another, but confined inside one
differntiate between error control and flow control in data link layer
Screened Host Architecture This architecture consists of two host machines: a Screening Router and a Screening Host. Screening Router is placed between a local network and the
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd