Question 46

Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also details about the query?
  • Question 47

    Which of the following commands displays all environment and shell variables?
    getargs
  • Question 48

    You need to pause the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message,
    "hello". Which command will do this?
  • Question 49

    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.)

    Question 50

    What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)