The POP protocol

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Forfatter(e)	Pierre-Yves Haubruge
Frist	Ingen frist
Innleveringsgrense	Ingen begrensning

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Before answering those questions please make sure you have read the section of the course book about the post office protocol AND the RFC 1939 which describes Post Office Protocol (POP). Remember that like in any webpage, you are able to search for specific information in an RFC using ctrl/cmd + F. The most important sections of the RFC for those answering those questions are the introduction and the sections about the states.

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Spørsmål 1: The POP states

Which are the three states defined in the POP protocol ?

Connecting, Session and Deconnecting states

Authorization, Session and Terminating states

Authentification, Transfer and Terminating states

Authentication, Session and Closing states

Authorization, Transaction and Update states

Spørsmål 2: POP transport protocol

Which transport protocol is used by the POP protocol ?

UDP

QUIC

HTTP

TCP

Spørsmål 3: The authorization state

Which command is NOT valid in the authorization state in POP protocol ?

PASS

USER

QUIT

RSET

Spørsmål 4: The QUIT command

What is the effect of the QUIT command ?

It terminates the session only in the Update state.

It terminates the session in the Transaction and Update state.

It terminates the session in the Authorization and Update state.

It always terminates the session.

It terminates the session only in the Transaction state.

It terminates the session only in the Authorization state.

It terminates the session in the Authorization and Transaction state.

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The POP protocol Kollapser kontekst

Spørsmål 1: The POP states

Spørsmål 2: POP transport protocol

Spørsmål 3: The authorization state

Spørsmål 4: The QUIT command

The POP protocol