LinkedIn Learning Course Linux: Shells and Processes By: Grant McWilliams FINAL TEST ANSWERS

 

Exam questions With Answers

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• • Attempted incorrect option
    the value of variables can be inserted in place of the variable name

  • words can replace commands

  • aliases can replace commands

  • Correct answer
    commands can be inserted inside text strings and executed

• • Attempted incorrect option
    Precede matching characters with a negative sign.

  • Correct answer
    Precede matching characters with an exclamation point.

  • Use a regular expression.

  • Include a caret anywhere in between the brackets.

• • 19

  • 10

  • 0

  • Attempted correct option
    -19

• • Attempted incorrect option
    !!

  • Correct answer
    !*

  • !ls

  • !

• • match the number of occurrences

  • match entire words

  • do group matches

  • Attempted correct option
    all of these answers

• • Runs the backup.sh script the first day of the week at 1:15 am.

  • Runs the backup.sh script every 15 minutes on Monday of every week.

  • Attempted correct option
    Runs the backup.sh script at 1:00 am on the 1st and 15th day of every month.

  • Runs the backup.sh script every minute of the first hour on the 1st and 15th day of the month.

• • /etc/spool/cron/

  • /var/spool/cron/

  • /var/spool/cron.d/

  • Attempted correct option
    /etc/cron.d/

• • the + operator

  • the * operator

  • Attempted correct option
    the ? operator

  • the {01} characters

• • Attempted correct option
    restricts all users from using the cron service except for the user named bob.

  • allows all users use the cron service except for the user named bob.

  • restricts all users from using the cron service.

  • allows all users to use the cron service.

• • edit your terminal settings and click the ignorespace option

  • Attempted correct option
    export HISTIGNORE=”*” in your shell startup file

  • install a special terminal

  • export HISTCONTROL=ignoredups

• • brace expansion

  • Attempted correct option
    treating text as literal

  • variable substitution

  • command substitution

• • systemctl list-unit-files -t service

  • chkconfig --list-all

  • systemctl list-services

  • Attempted correct option
    systemctl list-unit-files -at service

• • chkconfig --list-running

  • systemctl list-unit-files -at service

  • systemctl list-running-files -t service

  • Attempted correct option
    systemctl list-units -t service --state running

• • only asterisks

  • any type of character and any number of them

  • any number of the previous character

  • Attempted correct option
    matches any type of character but only one of them

• • your home directory

  • Attempted correct option
    the most recent directory

  • /root

  • the parent directory

• • Attempted incorrect option
    allows users to start the crond service

  • Correct answer
    ensures that the crond service will start on bootup

  • unmasks the crond service

  • starts the crond service

  •