During a major online sale, the application server fails while the database server remains operational. Customers cannot place orders because authentication, payment validation, inventory verification, and order processing are performed by the application server. Which architectural conclusion is most appropriate?

Question

During a major online sale, the application server fails while the database server remains operational. Customers cannot place orders because authentication, payment validation, inventory verification, and order processing are performed by the application server. Which architectural conclusion is most appropriate?

Answer

The system must be a centralized DBMS because the database remains operational

Answer

The database server must always fail when the application server fails

Answer

The system uses a three-tier architecture, and failure of the middle tier prevents requests from reaching the database

Answer

The failure proves that two-tier architecture provides better separation of business logic

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During a major online sale, the application server fails while the database serv...

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