What does the employer mean by the topic for the IT Service Management Standard test? What is included in this topic?

Question

Project management

The vacancy involves checking IT departments and evaluating their effectiveness.
There are several topics:
IT Service Management Standard.
SLA.
Information security management standard.
The information is there, the topics are clear, but what exactly can be read, is there any basis?

Answer 1

IT service management standard: ITSM and ITIL, you will find about SLA in the same place.
According to information security management standards, I think we need to dig towards ISO / IEC 17799