The correct answer is A. CDMI.
The Cloud Data Management Interface (CDMI) is an open standard for managing data in the cloud. It provides a common way for applications to access and manage data stored in different cloud storage providers. CDMI is developed by the Storage Networking Industry Association (SNIA).
The Open Cloud Computing Interface (OCCI) is an open standard for managing cloud resources. It provides a common way for applications to create, manage, and delete cloud resources from different cloud providers. OCCI is developed by the Open Networking Foundation (ONF).
The Cloud Encryption API (CEA) is an open standard for encrypting data in the cloud. It provides a common way for applications to encrypt data stored in different cloud storage providers. CEA is developed by the Cloud Security Alliance (CSA).
Adequate bandwidth is a requirement for any application that needs to transfer data over a network. It is the amount of data that can be transferred in a given amount of time. Adequate bandwidth is important for applications that need to transfer large amounts of data, such as video streaming or online gaming.
In conclusion, the correct answer is A. CDMI.