An e-card company uses the Cloud to enable chat services between its sales representatives and consumers.
Holiday periods create seasonal demand on IT resources. The e-card company wants to select a billing model that optimizes IT resource costs.
Which billing model should the company choose?
Match each key functions of service operation management with its objective.

What is a function of the discovery operation during the service operation phase of the cloud service lifecycle?
Match each information security concept with its description.
