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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?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?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?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?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...

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.)A .  ~/.bashconfB .  ~/.bashrcC .  ~/.bashdefaultsD .  ~/.bash_etcE .  ~/.bash_profileView AnswerAnswer: B,E

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?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...

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