AZ-304 Azure Data Storage Architecture 2

Question 1

Which Azure Cosmos DB consistency level provides the strongest consistency guarantee at the cost of higher read latency?

Accepted Answer

Strong

Answer

Eventual

Answer

Consistent Prefix

Answer

Session

Question 2

What is the purpose of Azure SQL Elastic Pools?

Accepted Answer

To share compute resources across multiple databases with variable workloads

Answer

To replicate databases across multiple regions

Answer

To automatically shard a single database horizontally

Answer

To provide serverless compute scaling

Question 3

Which Azure Storage feature allows you to define rules that automatically transition blobs to cooler tiers or delete them based on last-modified or last-accessed time?

Accepted Answer

Lifecycle Management Policies

Answer

Storage Access Policies

Answer

Object Replication

Answer

Blob Versioning

Question 4

An architect needs a fully managed, serverless SQL data warehouse service for analytical workloads. Which Azure service is most appropriate?

Accepted Answer

Azure Synapse Analytics (serverless SQL pool)

Answer

Azure SQL Database

Answer

Azure SQL Managed Instance

Answer

Azure Database for PostgreSQL Hyperscale

Question 5

Which Azure Cosmos DB partition key selection principle is most important for achieving optimal throughput distribution?

Accepted Answer

Use a partition key with high cardinality that evenly distributes data

Answer

Use a partition key with few unique values

Answer

Use the creation timestamp as the partition key

Answer

Use a partition key that matches the primary sort order

Question 6

You need to enforce that all data written to an Azure Storage account is encrypted with customer-managed keys stored in Azure Key Vault. What must you configure?

Accepted Answer

Customer-Managed Keys (CMK) with Key Vault integration

Answer

Azure Defender for Storage

Answer

Double encryption infrastructure layer

Answer

Storage Service Encryption with Microsoft-managed keys