In a three-tier architecture, which layer is responsible for performing certain validations like, if the user is authorized to request the transaction or not?
A. Application Layer
B. Presentation Layer
C. Database Layer
D. Session Layer
Answer:A
In a three-tier architecture, which layer is responsible for performing certain validations like, if the user is authorized to request the transaction or not?
A. Application Layer B. Presentation Layer C. Database Layer D. Session Layer