Question

What is a Nagios check command?

a) A command that runs a plugin and returns its output to Nagios

b) A command that is executed on a remote host by Nagios

c) A command that is used to modify the configuration of Nagios

d) A command that is used to schedule checks at regular intervals

Answer 1

Solution: a) A command that runs a plugin and returns its output to Nagios

Explanation: A Nagios check command is a command that runs a plugin and returns its output to Nagios. Check commands can be defined in the Nagios configuration and can be used to perform a wide variety of checks.