Multiple choice technology performance

What is the command to find the fully qualifeid domain name ?

  1. host

  2. hostname

  3. hostname -f

  4. hostname -s
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C Correct answer
Explanation

The hostname -f command displays the fully qualified domain name (FQDN) of the system. The hostname command by itself usually returns the short hostname, hostname -s gets the short host name, and host is a DNS lookup utility.

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