Explanation: The single application may have several different versions of this layer, corresponding to distinct kinds of interfaces such as Web browsers, and user interfaces of mobile phones, which have much smaller screens. 5. The _____________ layer, which provides a high-level view of data and actions on data.
A. Business logic
B. Presentation
C. User interaction
D. Data access
Answer:A
Explanation: The single application may have several different versions of this layer, corresponding to distinct kinds of interfaces such as Web browsers, and user interfaces of mobile phones, which have much smaller screens. 5. The _____________ layer, which provides a high-level view of data and actions on data.
A. Business logic B. Presentation C. User interaction D. Data access
Explanation: The single application may have several different versions of this layer, corresponding to distinct kinds of interfaces such as Web browsers, and user interfaces of mobile phones, which have much smaller screens. 6. The ______________ layer, which provides the interface between the business-logic layer and the underlying database.