COMPUTER NETWORKING

Previous
Next

APPLICATION LAYER

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is needed to access email when sender and receiver are on the same system
A
IP
B
MAC Address
C
Mail Server
D
User Agent
Explanation: 

Detailed explanation-1: -When the sender and the receiver of an E-mail are on the same system, then there is the need for only two user agents.

Detailed explanation-2: -When the sender and receiver of an email are on different systems, we need two UAs and two pairs of MTAs. In the email system, the sender and receiver of an email are typically on different systems, such as different computers or devices.

Detailed explanation-3: -When both sender and receiver are connected to the mail server via a LAN or a WAN, we need two UAs, two pairs of MTAs (client and server), and a pair of MAAs (client and server). This is the most common situation today.

Detailed explanation-4: -The common protocols for email delivery are Post Office Protocol (POP), Internet Message Access Protocol (IMAP), and Simple Mail Transfer Protocol (SMTP).

There is 1 question to complete.
Previous
Next