Question

[Research Question] Do you think POP3 is Stateful or Stateless (in a session and across sessions)?...

[Research Question] Do you think POP3 is Stateful or Stateless (in a session and across sessions)? Why?

Group of answer choices

1.

Stateless across sessions, and stateful within a session.

2.

Stateless across sessions and within a session.

3.

Stateful across sessions and within a session.

4.

Stateful across sessions, and stateless within a session.

Engineering   Computer-Science   
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Answer #1

Answer: 1

POP3 is a stateless across sessions, because there may be multiple client requests across sessions so it may have to change from one state to another. As it has the unique identifier, it remains unchanged or unremovable across any number of sessions, it's identifier remains same. So it may have to change its state depending on the requests.

POP3 is a stateful within a session, as the state does not change when a single client request something and the server responds with the response, it remains in same state in a single session.

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