AZ-204 Research & Evidence-Based Practice 2

Question 1

Which Azure Cosmos DB consistency level provides the strongest consistency guarantee, ensuring reads always return the most recently committed write?

Accepted Answer

Strong

Answer

Strong consistency guarantees linearizability, so every read reflects the latest committed write across all replicas.

Question 2

What is the purpose of a lease on an Azure Blob Storage blob?

Accepted Answer

To provide an exclusive lock for write and delete operations

Answer

Acquiring a lease grants an exclusive lock on a blob, preventing other clients from writing or deleting it until the lease is released.

Question 3

Which Azure Blob Storage access tier has the highest per-GB storage cost but the lowest per-operation access cost?

Accepted Answer

Hot

Answer

The Hot tier is optimized for frequently accessed data with higher storage costs offset by low per-read costs.

Question 4

In Azure Cosmos DB, what property determines how data is distributed across logical and physical partitions?

Accepted Answer

The partition key

Answer

Cosmos DB hashes the partition key value to route each document to a specific logical partition for even data distribution.

Question 5

Which HTTP status code does Azure Blob Storage return when an If-Match ETag condition fails during a conditional request?

Accepted Answer

412 Precondition Failed

Answer

412 Precondition Failed is returned when the blob's current ETag does not match the value specified in If-Match, indicating a concurrent modification.

AZ-204 - Microsoft Azure Developer Associate Practice Test

AZ-204 - Microsoft Azure Developer Associate Practice Test

AZ-204 Research & Evidence-Based Practice 2