Scenario: A financial application stores sensitive credit sc…

Scenario: A financial application stores sensitive credit scores. The Chief Information Security Officer (CISO) requires that even the Database Administrator (DBA) who manages the storage server must NOT be able to view the raw credit scores in plaintext. The application, however, must be able to process this data.   Which encryption strategy satisfies this requirement?

Scenario: An e-commerce platform is designing its “User Cart…

Scenario: An e-commerce platform is designing its “User Cart” service. The requirement is that if the primary database node fails, there must be zero downtime and no manual intervention required to switch traffic to a healthy node. The system can tolerate a higher infrastructure cost to achieve this.   Which redundancy pattern is most appropriate for this requirement?