Effective release and deployment management enables the service provider to add value to the business by?

Which of the following are types of communication you could expect the functions within Service Operation to perform?
1) Communication between Data Centre shifts
2) Communication related to changes
3) Performance reporting
4) Routine operational communication

Identify the missing word in the following sentence.
A customer define is the [?] for a service and takes responsibility for the outcomes of service consumption.

Which of the following is not a service desk type recognized in the service operation volume of ITIL?

In which core ITIL publication can you find detailed descriptions of service catalogue management, information security management, and supplier management?