Câu 30: 70-498: Delivering Continuous Value with Visual Studio 2012 Application Lifecycle Management

You develop an n-tier application that includes the following components: ✑ Database ✑ Data access layer ✑ Business logic layer ✑ Presentation layer (website)The database has approximately 100 tables and stores large amounts of data. You need to select a unit testing strategy to verify the business logic layer. What should you do?

1. A. • Create a mock data access layer. • Configure the business logic layer to use the mock data access layer. • Write tests against the business logic layer. — đáp án hiện tại
2. B. • Create a mock data access layer. • Write tests against the mock data access layer.
3. C. • Create a mock business logic layer and a test database. • Configure the data access layer to target the test database. • Write tests against the business logic layer.
4. D. • Create a test database from a backup of the live database. • Configure the data access layer to target the test database.