A firm is deploying a web application across two different cloud providers to ensure business continuity. What is the most critical challenge they must overcome regarding data consistency?
Ensuring data is identical and accessible across disparate vendor architectures is the most difficult technical challenge.
Why this answer
Synchronizing data across different cloud environments (Data Gravity/Interoperability) is the primary hurdle in multi-cloud architectures, often requiring expensive egress and complex replication logic.