You are an enterprise application developer. You are creating an e-commerce Web application. The application architecture consists of layers as shown in the following diagram. The application layers are described in the following tables.
You need to package the required cryptographic services into a single component. You also need to identify suitable locations for the cryptography component.
What are the two possible layers to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A.
The presentation layer
B.
The service fa?ade layer
C.
The workflow layer
D.
The business logic layer
E.
The data access layer