Post office protocol (POP) is a message access protocol which is used to extract message for client. In this regard, which of the following are true ?(A) POP has two modes, Delete mode and keep(B) In Delete mode, mail is deleted from mail box after each retrival(C) In Delete mode, mail is deleted from mail box before each retrieval(D) In keep mode, mail is deleted before retrival(E) In keep mode, mail remains in mail box after retrivalChoose the correct answer from the options given below:

Post office protocol (POP) is a message access protocol which is used

1.	Post office protocol (POP) is a message access protocol which is used to extract message for client. In this regard, which of the following are true ?(A) POP has two modes, Delete mode and keep(B) In Delete mode, mail is deleted from mail box after each retrival(C) In Delete mode, mail is deleted from mail box before each retrieval(D) In keep mode, mail is deleted before retrival(E) In keep mode, mail remains in mail box after retrivalChoose the correct answer from the options given below:
A.	(A) and (B) only
B.	(A), (D) and (E) only
C.	(A), (B), (C) and (D) only
D.	(A), (B) and (E) only
Answer» E.

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