AZ-304 Azure Data Storage Architecture 3

Question 1

Which Azure Cache for Redis tier supports data persistence and zone redundancy for production workloads?

Accepted Answer

Premium

Answer

The Premium tier of Azure Cache for Redis supports RDB and AOF persistence, Virtual Network integration, and zone redundancy, making it suitable for production use cases.

Question 2

An application needs to store semi-structured JSON documents and query them using a flexible schema without predefined table structures. Which Azure service is best suited?

Accepted Answer

Azure Cosmos DB for NoSQL

Answer

Azure Cosmos DB for NoSQL (formerly Core SQL API) is designed for semi-structured JSON documents and supports flexible schemas with rich SQL-like querying capabilities.

Question 3

Which Azure SQL Database feature allows you to restore a database to any point in time within the configured retention period?

Accepted Answer

Point-in-Time Restore (PITR)

Answer

Point-in-Time Restore (PITR) uses continuous transaction log backups to allow restoration of an Azure SQL Database to any second within the 1–35 day retention window.

Question 4

What Azure Storage feature prevents accidental or malicious deletion of blobs by requiring a delete lock to be held for a defined retention period?

Accepted Answer

Immutable Storage with WORM policy

Answer

Immutable Blob Storage with WORM (Write Once, Read Many) policies prevents deletion or modification of data for a configured interval, satisfying regulatory retention requirements.

Question 5

Which Azure data service is best suited for ingesting millions of events per second from IoT devices for real-time stream processing?

Accepted Answer

Azure Event Hubs

Answer

Azure Event Hubs is a highly scalable event streaming platform capable of ingesting millions of events per second, designed for big data telemetry and IoT scenarios.

AZ-304 - Microsoft Azure Architect Design Practice Test

AZ-304 - Microsoft Azure Architect Design Practice Test

AZ-304 Azure Data Storage Architecture 3