Which phase of the cloud service lifecycle involves making business use case decisions for the cloud service offering portfolio?

A compute system is configured to access files from a network-attached storage system. What is a
characteristic of the file system?

An organization requires double the processing capacity for a specific duration to handle increased workload.
For the remaining period, the organization might want to release the idle resources to save costs. The workload variations may be seasonal or transient.
Which cloud characteristics enables the consumer to handle such variations in workloads and IT resource requirements?

Which compliance standard provides policies and procedures to optimize the security of credit card transactions?

What is a characteristic of storage resource pools?