102-500 Online Practice Questions and Answers

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.

Which file used by XDM specifies the default wallpaper?

A. /etc/X11/xdm/Xsetup

B. /etc/X11/xdm.conf

C. /etc/X11/xdm/Defaults

D. /etc/X11/defaults.conf

Which file, when using Sendmail or a similar MTA system, will allow a user to redirect all their mail to another address and is configurable by the user themselves?

A. /etc/alias

B. ~/.alias

C. /etc/mail/forwarders

D. ~/.forward

E. ~/.vacation

Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)

A. --from=

B. --since=

C. --until=

D. --upto=

E. --date=

What of the following can be done by the command ifconfig? (Choose TWO correct answers.)

A. Set a network interface active or inactive.

B. Specify the kernel module to be used with a network interface.

C. Allow regular users to change the network configuration of a network interface.

D. Change the netmask used on a network interface.

E. Specify which network services are available on a network interface.

Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr?

A. find /usr -uid 0 -perm +4000

B. find -user root +mode +s /usr

C. find -type suid -username root -d /usr

D. find /usr -ls \*s\* -u root

E. find /usr -suid -perm +4000

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.

Which of the following protocols is related to the term open relay?

A. SMTP

B. POP3

C. NTP

D. IMAP

E. LDAP

After adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)

A. newaliases

B. sendmail -bi

C. PlaceHolder

D. PlaceHolder

Which command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)

A. hostnamectl

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder