單項選擇題

Which of the following ports is used for HTTPS traffic by default?（）

A.80
B.143
C.443
D.8080

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單項選擇題

Which of the following ports is used by default for IMAP traffic?（）

A.53
B.110
C.143
D.443

單項選擇題

Incorrect menu options continue to be selected on a device. Which of the following MUST becalibrated to help correct the issue?（）

A. Touchscreen
B. Joystick
C. Mouse
D. On-screen keyboard