Which is an external input to the service value chain?

Which guiding principle helps to ensure that each improvement effort has more focus and is easier to maintain?

Which term is used to describe the prediction and control of income and expenditure within an organization?

Identify the missing word in the following sentence.
The purpose of the service configuration management practice is to ensure that accurate and reliable information about the configuration of services, and the [?] that support them, is available when and where it is needed.

Which describes a 'change authority'?