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What is the purpose of a screen reader?
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...
When the command echo $ outputs 1, which of the following statements is true?
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...
Which file contains the date of the last change of a user's password?
Which file contains the date of the last change of a user's password?A . /etc/gshadowB . /etc/passwdC . /etc/pwdlogD . /etc/shadowE . /var/log/shadowView AnswerAnswer: D
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?A . CASEB . FROMC . WHERED . IFView AnswerAnswer: C
The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?
The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?A . It is placed in curly brackets as in Section SectionName { ... }.B . It is placed between a line containing Section "SectionName" and a line containing EndSection.C...
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command?
CORRECT TEXT By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)View AnswerAnswer: /etc/skel
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)A . ~/.bashconfB . ~/.bashrcC . ~/.bashdefaultsD . ~/.bash_etcE . ~/.bash_profileView AnswerAnswer: B,E
Which of the following commands lists all defined variables and functions within Bash?
Which of the following commands lists all defined variables and functions within Bash?A . envB . setC . env -aD . echo $ENVView AnswerAnswer: B
Where are user specific crontabs stored?
Where are user specific crontabs stored?A . In the database file /etc/crontab.db which is shared by all users.B . As individual per-user files within /var/spool/cron.C . As individual per-user files in /etc/cron.user.d.D . In the .crontab file in the user's home directory.E . In the file /var/cron/user-crontab which is shared...
What word is missing from the following SQL statement?
CORRECT TEXT What word is missing from the following SQL statement? insert into tablename ________(909, 'text'); (Please specify the missing word using lower-case letters only.)View AnswerAnswer: VALUES, values
