Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Computer Networks Concept of Layering Application Layer
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 retrival
Choose the correct answer from the options given below:
1
(A) and (B) only
2
(A), (D) and (E) only
3
(A), (B), (C) and (D) only
4
(A), (B) and (E) only