ExpertEasy1 markMultiple Choice
Domain 2.4: Design a data storage solution for non-relational dataDomain 2Non-Relational DataTable StorageCost Optimization
AZ-305 · Question 30 · Domain 2.4: Design a data storage solution for non-relational data
You are designing a simple key-value store for a web application.
The application requires storing user session state data. The data volume is small (under 50 GB), the query patterns are extremely simple (lookup by PartitionKey and RowKey), and the primary business requirement is to minimize costs. Global distribution is not required.
Which storage solution should you recommend?
You are designing a simple key-value store for a web application.
The application requires storing user session state data. The data volume is small (under 50 GB), the query patterns are extremely simple (lookup by PartitionKey and RowKey), and the primary business requirement is to minimize costs. Global distribution is not required.
Which storage solution should you recommend?
Answer options:
A.
Azure Table Storage
B.
Azure Cosmos DB Table API
C.
Azure SQL Database
D.
Azure Cache for Redis Enterprise
How to approach this question
Focus on 'minimize costs', 'simple query patterns', and 'global distribution not required'. Table Storage is the cheapest NoSQL option in Azure.
Full Answer
A.Azure Table Storage✓ Correct
Azure Table Storage
Azure Table Storage is a service that stores non-relational structured data (NoSQL) in the cloud, providing a key/attribute store with a schemaless design. It is significantly cheaper than Azure Cosmos DB. While Cosmos DB offers a Table API, it is designed for premium scenarios requiring global distribution, guaranteed single-digit millisecond latency, and automatic indexing. For a simple, low-cost, single-region key-value store, Azure Table Storage is the best choice.
Common mistakes
Choosing Cosmos DB Table API automatically whenever 'NoSQL' or 'Table' is mentioned, ignoring the strict cost constraints.
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