CompTIA
CV0-003 · Question #416
CV0-003 Question #416: Real Exam Question with Answer & Explanation
The correct answer is D: Object Storage. Object storage provides a scalable, HTTP-accessible shared repository that all web cluster nodes can access simultaneously, making it ideal for storing and serving a shared pool of images.
Cloud Architecture and Design
Question
A customer is building a web cluster in which all nodes must access a shared pool of images. Which of the following storage types would be BEST for this workload?
Options
- ABlock storage
- BFile-level access storage
- CDirect attached storage
- DObject Storage
Explanation
Object storage provides a scalable, HTTP-accessible shared repository that all web cluster nodes can access simultaneously, making it ideal for storing and serving a shared pool of images.
Common mistakes.
- A. Block storage is attached to a single VM at the OS level and cannot be natively shared across multiple cluster nodes simultaneously without an additional clustering file system layer.
- B. File-level access storage (NFS/SMB) can be shared but introduces a single network file system endpoint that becomes a bottleneck and adds protocol overhead compared to native HTTP object access for web workloads.
- C. Direct attached storage is physically bound to one server and cannot be shared across a cluster by definition, making it unsuitable for any shared-access workload.
Concept tested. Object storage for shared web cluster image access
Reference. https://docs.aws.amazon.com/AmazonS3/latest/userguide/Welcome.html
Topics
#object storage#shared storage#web cluster#storage types
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