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Updated Dec 07, 2024 39 Questions 3 Pages

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Question 16 Selectable Answer

Which of the following programs can be used to determine the routing path to a given destination?

A. dig
B. netstat
C. ping
D. route
E. traceroute

Answer:

Question 17 Selectable Answer

Which command will set the local machine's timezone to UTC?

A. cat UTC > /etc/timezone
B. ln -s /usr/share/zoneinfo/UTC /etc/localtime
C. date --timezone=UTC
D. mv /usr/timezone/UTC /etc

Answer:

Question 18 Selectable Answer

Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

A. sshd
B. ssh-agent
C. ssh-keygen
D. ssh-add

Answer:

Question 19 Selectable Answer

What is the purpose of the file /etc/profile?

A. It contains the welcome message that is displayed after login.
B. It contains security profiles defining which users are allowed to log in.
C. It contains environment variables that are set when a user logs in.
D. It contains default application profiles for users that run an application for the first time.

Answer:

Question 20 Selectable Answer

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. COUNT(SELECT order_type FROM orders);
D. SELECT COUNT(*) FROM orders ORDER BY order_type;
E. SELECT AUTO_COUNT FROM orders COUNT order_type;

Answer:

Question 21 Written Answer

CORRECT TEXT - (Topic 3)
What command will display the group names and GIDs to which a user belongs? (Provide only the command name with or without path information)

Answer: id, /usr/bin/id

Question 22 Selectable Answer

Which command allows you to make a shell variable visible to subshells?

A. export $VARIABLE
B. export VARIABLE
C. set $VARIABLE
D. set VARIABLE
E. env VARIABLE

Answer:

Question 23 Selectable Answer

Which of the following can the chage command NOT change?

A. The number of days since January 1, 1970 after which the user's account will no longer be accessible.
B. The number of days since January 1, 1970 after which the password can change.
C. The number of days since January 1, 1970 since the password was last changed.
D. The maximum number of days during which a password is valid.
E. The number of days of inactivity after a password has expired before the account is locked.

Answer:

Question 24 Written Answer

CORRECT TEXT - (Topic 1)
Which directory in /etc is used to keep a sample copy of files and directories for when a new user has a home directory created? (Please provide the full path)

Answer: /etc/skel, /etc/skel/

Question 25 Selectable Answer

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

A. export LANGUAGE="pt"
B. export MESSAGE="pt"
C. export UI_MESSAGES="pt"
D. export LC_MESSAGES="pt"
E. export ALL_MESSAGES="pt"

Answer:

Question 26 Written Answer

What is the purpose of the command mailq?
A. It fetches new emails from a remote server using POP3 or IMAP.
B. It is a multi-user mailing list manager.
C. It is a proprietary tool contained only in the qmail MTA.
D. It queries the mail queue of the local MTA.
E. It is a command-line based tool for reading and writing emails.

Answer: D

Question 27 Selectable Answer

How is a display manager started?

A. It is started by a user using the command startx.
B. It is started like any other system service by the init system.
C. It is started by inetd when a remote hosts connects to the X11 port.
D. It is started automatically when a X11 user logs in to the system console.

Answer:

Question 28 Selectable Answer

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.

Answer:

Question 29 Selectable Answer

Which of the following features are provided by SPICE? (Choose two.)

A. Connecting local USB devices to remote applications.
B. Accessing graphical applications on a remote host.
C. Replacing Xorg as local X11 server.
D. Downloading and locally installing applications from a remote machine.
E. Uploading and running a binary program on a remote machine.

Answer:

Question 30 Written Answer

CORRECT TEXT
In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?

Answer: bind, interface

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Lpi
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