What is the difference between POP and IMAP?
A.
POP downloads e-mail to the user, and IMAP gives the user the choice of downloading or keeping it on the mail server.
B.
POP gives the user the choice of downloading mail messages or keeping them on the server, and IMAP automatically downloads the messages to the user�s computer.
C.
POP is used when the messages need to be transmitted over the Internet, and IMAP is used when the messages are exchanged in-house.
D.
IMAP is used when the messages need to be transmitted over the Internet, and POP is used when the messages are exchanged in-house.
Explanation:
IMAP provides the same types of functionality as POP, but has more
capabilities and functionality. If a user is using POP when he accesses his mail
server to see if he has received any new messages, all messages are automatically
downloaded to his computer. IMAP gives the user a choice of whether the mail will
stay on the server or on his local system.
This is not a good question. I have experience using POP to leave messages on the server. Wikipedia says: “Although most POP clients have an option to leave mail on server after download, e-mail clients using POP generally connect, retrieve all messages, store them on the user’s PC as new messages, delete them from the server, and then disconnect.” (http://en.wikipedia.org/wiki/Post_Office_Protocol). But how people use protocols does not describe a difference between the protocols themselves.
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Agreed, however, I believe this is one of those “don’t get too technical” questions. Traditionally, POP downloads and IMAP stores, so A is the correct answer. I would much rather have seen POP downloads and IMAP synchronizes since they can both be configured to leave messages on the server, but only IMAP will allow you to synchronize your sent items, for example, with your server account.
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