Question 86

What is true regarding TCP port 23?
  • Question 87

    Which of the following protocols is related to the term open relay?
  • Question 88

    In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)

    Question 89

    On a system using systemd-journald, which of the following commands add the message Howdy to the system log? (Choose two.)
  • Question 90

    Which of the following commands puts the output of the command date into the shell variable mydate?