Question

What is a Nagios event handler?

a) A script that is executed when a service or host has a problem

b) A plugin that is used to perform a check on a service or host

c) A user-defined function that is used to process Nagios configuration files

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

Answer 1

Solution: a) A script that is executed when a service or host has a problem

Explanation: A Nagios event handler is a script that is executed when a service or host has a problem. Event handlers can be used to perform additional actions when a problem is detected, such as restarting a service or notifying an external system.