What 100% Guarantee 102-400 practice test Is?

Question No: 1

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.

View Answer

Question No: 2

Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

A. The user issuing the command must be in the group script.

B. The script file must be found in the $PATH.

C. The script file must have the executable permission bit set.

D. The script must begin with a shebang-line (#!) that points to the correct interpreter.

E. The file system on which the script resides must be mounted with the option scripts.

View Answer

Question No: 3

Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)

A. Start and prepare the desktop environment for the user.

B. Configure additional devices like new monitors or projectors when they are attached.

C. Handle the login of a user.

D. Lock the screen when the user was inactive for a configurable amount of time.

E. Create an X11 configuration file for the current graphic devices and monitors.

View Answer

Question No: 4

Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

A. dnsq

B. dig

C. hostname

D. dnslookup

E. zoneinfo

View Answer

Question No: 5

CORRECT TEXTWhich command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.)

View Answer

Question No: 6

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.

View Answer

Question No: 7

Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

A. *

B. -

C. s

D. x

View Answer

Question No: 8

Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)

A. substitute

B. nameserver

C. search

D. lookup

E. method

View Answer

Question No: 9

CORRECT TEXTWhich command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)

View Answer

Question No: 10

In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

A. Without additional configuration, no users may have user specific crontabs.

B. Without additional configuration, all users may have user specific crontabs.

C. The cron daemon will refuse to start and report missing files in the system's logfile.

D. When a user creates a user specific crontab the system administrator must approve it explicitly.

View Answer