Question

What is a passive check in Nagios?

a) A check performed by a Nagios plugin

b) A check initiated by the monitored host or service

c) A check initiated by an external system

d) A check where the results are submitted to Nagios by an external system

Answer 1

Solution: d) A check where the results are submitted to Nagios by an external system

Reason:A passive check in Nagios is a check where the results are submitted to Nagios by an external system. Passive checks are useful for monitoring systems that do not have a Nagios agent installed)