D306 Azure Developer Associate - Set 4 - Part 1

Correct Answer: To store failed or unprocessable messages for future review

The dead-letter queue is used to capture messages that cannot be processed, allowing for later examination and resolution.

Correct Answer: Strong

Strong consistency ensures that reads always return the most recent committed version of data.

Correct Answer: Lower storage costs for infrequently accessed data

The Archive tier is designed for long-term storage of infrequently accessed data, offering the lowest cost but requiring rehydration for access.

Correct Answer: To group and distribute data efficiently across partitions

Partition keys ensure that data is distributed evenly across logical partitions, improving scalability and performance.

Correct Answer: Azure Application Insights

Azure Application Insights provides monitoring and diagnostic capabilities for applications to help improve performance and usability.

Correct Answer: Requests are rejected with a 429 error

When a partition exceeds its throughput capacity, additional requests are throttled, resulting in a 429 "Too Many Requests" error.

Correct Answer: 30 days

By default, Application Insights retains logs for 30 days, after which they are automatically deleted.

Correct Answer: Azure Container Instances

Azure Container Instances provide a simple way to run containerized applications without managing the underlying infrastructure.

Correct Answer: It defines the workflow and coordinates the execution of activity functions

The orchestrator function in Durable Functions coordinates the order of function execution and handles state management across tasks.

Correct Answer: Azure Key Vault

Azure Key Vault is designed to securely store sensitive information like tokens, passwords, and certificates.

Correct Answer: To route and manage events between sources and event handlers

Azure Event Grid routes events from various sources to handlers like Azure Functions or Logic Apps.

Correct Answer: Premium Block Blob Storage

Premium Block Blob Storage offers the highest throughput for workloads involving large file transfers and frequent data access.

Correct Answer: A key that combines two or more properties to create a partition key

A synthetic partition key is created by combining multiple properties when no single property is suitable for partitioning data.

Correct Answer: To ensure exclusive access to a blob for read and write operations

A lease ensures exclusive access to a blob, preventing other processes from modifying or deleting it during the lease period.

Correct Answer: Orchestrator function

The orchestrator function in Durable Functions enables the creation of durable, long-running workflows by coordinating the execution of multiple activity functions.

Correct Answer: It balances performance and consistency for user sessions

Session consistency ensures that within a single session, reads always reflect the most recent writes, balancing performance and consistency.

Correct Answer: It allows recovery of deleted keys, secrets, and certificates within a retention period

Soft delete in Azure Key Vault allows you to recover deleted items within a retention period, preventing accidental permanent deletion.

Correct Answer: To perform graph-based queries and traversal

The Gremlin API in Cosmos DB is used for graph databases, enabling graph traversal and queries over nodes and edges.

Correct Answer: A way to organize and apply policies across multiple subscriptions

Management Groups are used to manage access, policy, and compliance across multiple Azure subscriptions.

Correct Answer: Azure Functions

Azure Functions is a serverless compute service designed to execute code in response to events or triggers, such as HTTP requests or message queues.