Transvision Software Data Solutions Interview Questions and Answers

Blob immutability refers to the characteristic of not being able to be modified once created. It is commonly used for storing data that should not be altered.

• Blob immutability ensures data integrity by preventing unauthorized changes

• It is commonly used for storing sensitive data like audit logs, financial records, and legal documents

• Drawbacks include the inability to update or delete data once it is stored

Blob is a type of data storage in Azure Storage, and blob tier is a way to manage the access and cost of storing blobs.

• Blob is a type of object storage in Azure Storage used for storing unstructured data.

• Blob tier in Azure Storage allows you to manage the access and cost of storing blobs by specifying the access tier (hot, cool, or archive).

• Hot access tier is for frequently accessed data, cool access tier is for infrequently accessed data, and archive access tier is for rarel...read more

ZRS and GRS are redundancy options in Azure Storage for data durability and availability.

• ZRS (Zone-redundant storage) replicates data across multiple availability zones within a region for high durability and availability.

• GRS (Geo-redundant storage) replicates data to a secondary region, providing data redundancy across regions for disaster recovery.

• ZRS is suitable for scenarios requiring high availability within a region, while GRS is ideal for disaster recovery and data res...read more

Hierarchical namespace is a way of organizing data in a tree-like structure for easier management and access.

• Hierarchical namespace organizes data in a tree structure with parent and child relationships.

• It helps in categorizing and managing data efficiently.

• Examples include file systems where folders contain files, and DNS where domain names are organized hierarchically.

Soft delete is a feature that allows data to be marked as deleted without actually removing it, while point in time restore is the ability to restore data to a specific point in time.

• Soft delete retains data in case it needs to be recovered later

• Point in time restore allows data to be restored to a specific timestamp

• Soft delete is commonly used in databases to prevent accidental data loss

• Point in time restore is useful for recovering data to a specific state before an error o...read more