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Question-1. What is Block Storage?
Answer-1: Block Storage stores data in fixed-size blocks, each with a unique identifier, commonly used for databases and virtual machine file systems.
Question-2. What is File Storage?
Answer-2: File Storage organizes data in a hierarchical structure of files and folders, accessible via protocols like NFS or SMB.
Question-3. What is Object Storage?
Answer-3: Object Storage stores data as discrete objects with metadata and unique identifiers, ideal for unstructured data like media files.
Question-4. How does Block Storage differ from File Storage?
Answer-4: Block Storage manages data at the block level, while File Storage manages data as files with directories.
Question-5. Which storage type is best for database applications?
Answer-5: Block Storage is typically preferred for databases due to its low latency and high performance.
Question-6. Which storage type is best suited for sharing files across multiple users?
Answer-6: File Storage is ideal for shared file access with permissions and directory structures.
Question-7. What are the advantages of Object Storage?
Answer-7: Scalability, metadata management, and suitability for storing large amounts of unstructured data.
Question-8. How does Object Storage handle data?
Answer-8: It stores data as objects with metadata, allowing easy retrieval via APIs.
Question-9. Is Block Storage stateful or stateless?
Answer-9: Block Storage is stateful; it maintains the state of data blocks.
Question-10. Does File Storage support concurrent access?
Answer-10: Yes, File Storage supports concurrent multi-user access with locking mechanisms.
Question-11. What protocols are commonly used with File Storage?
Answer-11: NFS (Network File System) and SMB (Server Message Block).
Question-12. Can Object Storage be accessed over the internet?
Answer-12: Yes, usually via RESTful APIs like AWS S3 or Azure Blob Storage APIs.
Question-13. What is a typical use case for Block Storage?
Answer-13: Running operating systems, databases, and transactional applications.
Question-14. What is a typical use case for File Storage?
Answer-14: File sharing, home directories, and content management systems.
Question-15. What is a typical use case for Object Storage?
Answer-15: Storing backups, archives, logs, media files, and big data.
Question-16. How does data retrieval differ between Block and Object Storage?
Answer-16: Block Storage allows random access to blocks; Object Storage retrieves whole objects via API.
Question-17. Can File Storage scale as easily as Object Storage?
Answer-17: No, File Storage scalability is limited by file system architecture.
Question-18. Which storage type usually offers the highest performance?
Answer-18: Block Storage generally offers the highest I/O performance.
Question-19. Does Object Storage support metadata?
Answer-19: Yes, extensive metadata can be attached to each object.
Question-20. How does File Storage handle metadata?
Answer-20: File Storage uses file attributes and directory structure for metadata.
Question-21. Is Block Storage suitable for large files?
Answer-21: Yes, but managing very large files can be complex.
Question-22. Can Object Storage handle versioning?
Answer-22: Yes, many Object Storage services support versioning of objects.
Question-23. How is data consistency managed in Block Storage?
Answer-23: Consistency is maintained through storage controller and filesystem.
Question-24. What consistency models does Object Storage usually support?
Answer-24: Eventual consistency is common; some offer strong consistency.
Question-25. How does cost compare among Block
Answer-25: File, and Object Storage?
Question-26. Which storage type is easiest to manage?
Answer-26: Object Storage requires minimal management compared to Block and File Storage.
Question-27. Can File Storage be used in cloud environments?
Answer-27: Yes, cloud providers offer managed file storage services.
Question-28. Does Block Storage require a filesystem?
Answer-28: Yes, a filesystem is required on top of block storage to organize data.
Question-29. Are backups easier with Object Storage?
Answer-29: Yes, due to native support for snapshots, versioning, and replication.
Question-30. Which storage type provides the best durability?
Answer-30: Object Storage is designed for high durability and redundancy.
Question-31. How does latency compare between storage types?
Answer-31: Block Storage has the lowest latency, Object Storage typically has higher latency.
Question-32. Can File Storage be used for streaming media?
Answer-32: Yes, but Object Storage is often preferred for large-scale media streaming.
Question-33. What are typical protocols for accessing Block Storage?
Answer-33: iSCSI, Fibre Channel, and ATA over Ethernet.
Question-34. Is encryption supported in all storage types?
Answer-34: Yes, encryption is commonly supported at rest and in transit.
Question-35. How do cloud providers implement Block Storage?
Answer-35: As virtual hard drives attached to instances.
Question-36. How is data organized in Object Storage?
Answer-36: Data is organized in buckets or containers with unique object keys.
Question-37. Does File Storage support hierarchical namespaces?
Answer-37: Yes, it uses folders and directories.
Question-38. Can Block Storage be shared across multiple instances?
Answer-38: Typically no, Block Storage is attached to a single instance.
Question-39. Which storage type supports data deduplication?
Answer-39: Block and File Storage often support deduplication; Object Storage less so.
Question-40. What happens if you delete an object in Object Storage?
Answer-40: The object and its metadata are deleted; some services offer retention policies.
Question-41. How do performance characteristics differ?
Answer-41: Block Storage has high IOPS; File Storage moderate; Object Storage is optimized for throughput.
Question-42. Can File Storage be accessed from multiple platforms?
Answer-42: Yes, via standard network file protocols.
Question-43. Is Object Storage suitable for transactional data?
Answer-43: No, it is not optimized for transactional workloads.
Question-44. What kind of storage is AWS EBS?
Answer-44: Block Storage.
Question-45. What kind of storage is AWS S3?
Answer-45: Object Storage.
Question-46. What kind of storage is Amazon EFS?
Answer-46: File Storage.
Question-47. How does data backup differ between storage types?
Answer-47: Object Storage often has built-in replication; Block and File need separate backup tools.
Question-48. Which storage type is best for disaster recovery?
Answer-48: Object Storage due to scalability and geographic replication.
Question-49. What is the main limitation of File Storage?
Answer-49: Scalability and performance constraints at very large scale.
Question-50. How does Object Storage ensure data integrity?
Answer-50: Using checksums, replication, and versioning.
Frequently Asked Question and Answer on Storage Types (Block, File, Object Storage)
Storage Types (Block, File, Object Storage) Interview Questions and Answers in PDF form Online
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