Google Associate Cloud EngineerEnsuring successful operation of a cloud solutionMedium
A company requires strict compliance for data residency, mandating that all data and compute resources for a specific application must remain within a single, designated geographic region. They also need to ensure that database backups are stored within the same region. Which Cloud Storage storage class is most appropriate for storing these database backups while adhering to the data residency requirement?
- ADual-Regional storage
- BRegional storage
- CMulti-Regional storage
- DNearline storage
Show answer & explanationAnswer & explanation
Correct answer: B. Regional storage
Regional storage ensures data is stored redundantly across at least three zones within a single designated region, satisfying strict data residency requirements for remaining within one geographic region.
Why the other options are wrong
- A. Dual-Regional storage stores data redundantly across two distinct geographic regions, violating the single-region data residency requirement.
- C. Multi-Regional storage stores data across multiple geographic regions, violating the single-region data residency requirement.
- D. Nearline storage is a storage class with specific access patterns (accessed less than once a month) and does not inherently define data residency to a single region; it can be multi-regional or regional, but regional is the explicit choice for the requirement.
Regional storage
A Cloud Storage class that stores data redundantly across at least three zones within a single geographic region, suitable for data residency requirements.
- Data stays within one geographic region
- Redundant across multiple zones
- Suitable for high-performance and data residency needs
Memory trick: Regional storage clamps your data to one region, tight and right.