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Question # 4

Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

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Question # 5

Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

A.

tcpd

B.

inetd

C.

fingerd

D.

mountd

E.

xinetd

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Question # 6

What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)

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Question # 7

What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)

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Question # 8

What is the purpose of a screen reader?

A.

It reads text displayed on the screen to blind or visually impaired people.

B.

It reads the parameters of the attached monitors and creates an appropriate X11 configuration.

C.

It displays lines and markers to help people use speed reading techniques.

D.

It manages and displays files that contain e-books.

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Question # 9

What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)

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Question # 10

What is true regarding the file ~/.forward?

A.

As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.

B.

After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

C.

Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

D.

When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.

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Question # 11

Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

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Question # 12

Which of the following is observed and corrected by a NTP client?

A.

The skew in time between the system clock and the hardware clock.

B.

The skew in time between the system clock and the reference clock.

C.

Changes in the time zone of the current computer's location.

D.

Adjustments needed to support Daylight Saving Time.

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Question # 13

What command displays all aliases defined in the current shell? (Specify the command without any path information)

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Question # 14

Which of the following commands lists all defined variables and functions within Bash?

A.

env

B.

set

C.

env -a

D.

echo $ENV

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Question # 15

When the command echo $ outputs 1, which of the following statements is true?

A.

It is the process ID of the echo command.

B.

It is the process ID of the current shell.

C.

It is the exit value of the command executed immediately before echo.

D.

It is the exit value of the echo command.

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Question # 16

Which file contains the date of the last change of a user's password?

A.

/etc/gshadow

B.

/etc/passwd

C.

/etc/pwdlog

D.

/etc/shadow

E.

/var/log/shadow

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Question # 17

Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)

A.

usermod

B.

passwd

C.

chattr

D.

chage

E.

chsh

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Question # 18

Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

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