Q4

MCQ1 mark, −0.33

Consider the different activities related to email. $\text{m1}:$ Send an email from mail client to mail server $\text{m2}:$ Download an email from mailbox server to a mail client $\text{m3}:$ Checking email in a web browser Which is the application level protocol used in each activity?

(A)

$\text{m1}: \textsf{HTTP}\;\; \text{m2}: \textsf{SMTP}\;\; \text{m3}: \textsf{POP}$

(B)

$\text{m1}: \textsf{SMTP}\;\; \text{m2}: \textsf{FTP}\;\; \text{m3}:\textsf{HTTP}$

(C)

$\text{m1}: \textsf{SMTP}\;\; \text{m2}: \textsf{POP} \;\; \text{m3}: \textsf{HTTP}$

(D)

$\text{m1}: \textsf{POP}\;\; \text{m2}: \textsf{SMTP}\;\; \text{m3}: \textsf{IMAP}$

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