the application server is the middle - tier between the front - end, and....\na) user interface\nb) business…

the application server is the middle - tier between the front - end, and....\na) user interface\nb) business logic\nc) firewall\nd) database
Answer
Brief Explanations:
In a typical three - tier architecture, the front - end is for user interaction, the application server processes business logic and acts as an intermediary, and the database stores data. The application server sits between the front - end and the database.
Answer:
d) Database