CV0-004 · Question #385
A cloud engineer needs to choose a storage technology that fulfills the following requirements: - 99.99% durability - Resilient to instance failures - Resilient to instance deletions Which of the…
The correct answer is C. Persistent. Persistent storage is the correct choice because it exists independently of any compute instance. It is not lost when an instance fails, stops, or is deleted - the data remains intact and can be reattached to a new instance. Ephemeral and local storage are tied directly to the…
Question
A cloud engineer needs to choose a storage technology that fulfills the following requirements:
- 99.99% durability
- Resilient to instance failures
- Resilient to instance deletions
Which of the following types of storage is the best option?
Options
- AEphemeral
- BCache
- CPersistent
- DLocal
How the community answered
(58 responses)- A2% (1)
- B2% (1)
- C93% (54)
- D3% (2)
Explanation
Persistent storage is the correct choice because it exists independently of any compute instance. It is not lost when an instance fails, stops, or is deleted - the data remains intact and can be reattached to a new instance. Ephemeral and local storage are tied directly to the lifecycle of the instance and are destroyed when the instance terminates, making them unsuitable for durability requirements. Cache is a temporary, in-memory storage layer optimized for speed, not durability. Only persistent storage (e.g., cloud block storage or object storage) meets the 99.99% durability and resilience requirements described.
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