You are having trouble remembering part of the correct format of a command. Which of the commands would give you help on the correct format of the parameters?

A) command *
B) command ?
C) command?
D) help

B
Explanation: B) To obtain access to the help available for a specific command, first type the command, a space, and then the ? mark.

Computer Science & Information Technology

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Which of the following helps keep your mobile device secure? (Choose all that apply.)

a. Enabling Wi-Fi portable hot spot setting. b. Enabling encryption. c. Disabling Bluetooth. d. Disabling Auto Connect (Wi-Fi).

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In what year was the source code for the Linux kernel released?

A. 1987 B. 1990 C. 1991 D. 1993

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