A company has an Exchange Server environment. The company plans to migrate to the cloud.
You need to recommend a cloud model that meets the following requirements:
Upgrade the existing email environment
Minimize server and application maintenance
Which model should you recommend?
A. Platform as a service (PaaS)
B. Windows as a service (WaaS)
C. Software as a service (SaaS)
D. Infrastructure as a service (IAAS)
