What can be specified with useradd? (Choose two.)

• A.The SSH keys used to login to the new account.
• B.Commands the user can run using sudo.
• C.Which printers are available for the new user.
• D.The numeric user ID (UID) of the user.
• E.The absolute path to the user's home directory.

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When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

• A.strace
• B.nessus
• C.lsof
• D.debug
• E.traceroute

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Which standardized TCP port is used by HTTPS services?

• A.8080
• B.443
• C.25
• D.80
• E.636

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Which of the following steps prevents a user from obtaining an interactive login session?

• A.Setting the UID for the user to 0.
• B.Creating a .nologin file in the user's home directory.
• C.Running the command chsh -s /bin/false with the user name.
• D.Adding the user to /etc/noaccess.
• E.Removing the user from the group staff.

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Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

• A.SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
• B.SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
• C.SELECT AUTO_COUNT FROM orders COUNT order_type;
• D.COUNT(SELECT order_type FROM orders);
• E.SELECT COUNT(*) FROM orders ORDER BY order_type;

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