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Question 98

Computer Awareness Internet and Email Medium

In the context of "Sending, receiving, and managing emails", what is the primary difference between the POP3 and IMAP protocols?

(A) POP3 is used for security, while IMAP is used for browsing.
(B) POP3 downloads and usually deletes the email from the server, while IMAP syncs the email across multiple devices.
(C) IMAP can only be used on Linux, while POP3 is for Windows.
(D) There is no difference; they are different names for the same protocol.
View Dynamic Solution & Explanation ▼
Correct Solution: Option B

Step-by-step Solution:

Both POP3 and IMAP are email retrieval protocols, but they function differently regarding data retention. - **POP3 (Post Office Protocol version 3)** generally downloads an email from a server to a single local device and then deletes it from the server. This makes synchronization across multiple devices difficult. - **IMAP (Internet Message Access Protocol)** leaves the message on the server by default and synchronizes the mailbox state across multiple devices, allowing seamless email management from anywhere. Thus, the correct primary difference is their handling of downloads and synchronization.

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