| Protocols| NTA UGC NET 2020 Sift-1 Post office protocol (POP) is a message access protocol which is used to extract messages for clients. 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 mailbox after each retrieval C) In Delete mode, mail is deleted from the mailbox before each retrieval. D) In keep mode, mail is deleted before retrieval. E) In keep mode, mail remains in the mailbox after retrieval. Choose the correct answer from the options given below: |
| i ➥ (A) and (B) only |
| ii ➥ (A), (D) and (E) only |
| iii ➥ (A), (B), (C) and (D) only |
| iv ➥ (A), (B) and (E) only |
Answer: IV
Explanation:
POP has two modes:
i) Delete Mode – A mail is deleted from the mailbox on the mail server after successful retrieval. (Delete after reading)
ii) Keep Mode – A mail remains in the mailbox on the mail server after successful retrieval. (Store even after reading)
Stetement(A)- True.
Stetement(B)- True.
Stetement(C)- False.
Stetement(D)- False.
Stetement(E)- True.
So, option(iv) is correct.
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