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| Section | Weight | Objectives |
|---|---|---|
| Secure, monitor, and optimize AI solutions | 20% | - Implement observability and reliability
|
| Develop containerized AI solutions on Azure | 25% | - Implement container hosting environments
|
| Integrate backend services and build event-driven architectures | 25% | - Implement messaging and event systems
|
| Develop AI solutions using Azure data services | 30% | - Design and optimize data access and retrieval
|
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NEW QUESTION # 128
You optimize an AI inference API that uses Redis caching.
You must reduce the risk of serving outdated data while minimizing cache management overhead.
You need to implement the caching strategy that satisfies the requirements.
What should you do?
Answer: B
Explanation:
Trigger invalidation when source data changes is the best action.
Data Freshness: This is a proactive cache-aside or write-through approach. By explicitly deleting or updating the specific Redis key when the underlying database or model data changes, you completely eliminate the risk of serving stale data.
Low Overhead: It keeps cache management overhead minimal because invalidation logic is execution-dependent (event-driven). Instead of constantly updating expirations or relying on heavy computing logic, you only trigger an action when a write/change event occurs.
Incorrect:
[not B]
Set eviction policy to allkeys-lru:
This policy is a memory management feature, not a data-freshness strategy. It only deletes the Least Recently Used (LRU) keys when your Redis instance runs out of RAM. If memory usage is stable, outdated data will sit in the cache forever, posing a major risk of serving stale inferences.
[not D]
Reset expiration on each read (Sliding TTL):
This actively increases the risk of serving outdated data. If a specific AI response is highly popular and read continuously, its expiration window will extend indefinitely. The data remains stuck in the cache even if the source data undergoes critical updates.
Reference:
https://oneuptime.com/blog/post/2026-01-30-llm-caching-strategies/view
NEW QUESTION # 129
You deploy an AI application across multiple Azure regions.
The application must be able to view writes across all regions within a predictable time window.
You need to determine the appropriate consistency level.
What are two consistency levels you can use to achieve the goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Answer: B,D
Explanation:
The two appropriate consistency levels for a globally distributed AI application needing to view writes within a predictable time window are Bounded Staleness and Strong.
Bounded Staleness: This provides a guarantee that reads will lag behind writes by a user- specified "staleness window" (either in time or number of operations). It delivers high availability and predictable read consistency across all regions, balancing performance with strict read-order guarantees.
Strong: This provides linearizable and absolute consistency, ensuring that writes are seen synchronously across all regions. It features an exact zero-second predictable time window, though it comes at the expense of higher latency for multi-region operations due to the time required to replicate globally.
Reference:
https://learn.microsoft.com/en-us/azure/cosmos-db/consistency-levels
NEW QUESTION # 130
You are designing an Azure Database for PostgreSQL table for semantic search. Queries frequently filter on the created_at column.
The schema must support vector similarity search and reliable date filtering.
You need to ensure that the table meets the requirements.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: B,C
Explanation:
To meet the requirements, store embeddings in a pgvector column and use a typed timestamp column for created_at. These two steps enable high-dimensional vector similarity operations and allow efficient, reliable date-based filtering.
Store embeddings in a pgvector column: Enables the database to store and query high- dimensional vector embeddings using native similarity operators.
Use a typed timestamp column for created_at: Ensures accurate date-and-time comparisons, indexing, and dependable performance when filtering queries by creation date.
Reference:
https://learn.microsoft.com/en-us/training/modules/implement-vector-search-azure-database-postgresql/
NEW QUESTION # 131
You are designing an Azure Function app that processes large image uploads submitted by users through an HTTP endpoint.
The solution must:
- Prevent client timeouts by decoupling image processing from the
initial upload request.
- Support automatic retry behavior for failed processing attempts.
- Scale the background processing independently of the rate of incoming HTTP uploads.
You need to design a scalable and reliable asynchronous processing solution.
Which two actions should you implement? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: C,D
Explanation:
To build a scalable and reliable asynchronous solution that meets the requirements, you should use an HTTP-triggered function to save images to Azure Blob Storage and enqueue a message, then use a Queue-triggered function to process the image.
1. Decouple via Queue Messaging
HTTP Function: Receives the initial user upload, saves the large image file directly to Azure Blob Storage, and writes a small metadata message (e.g., the blob URI) into an Azure Storage Queue or Azure Service Bus Queue.
Instant Response: The HTTP function immediately returns a 202 Accepted status to the client along with a status-tracking URL. This completely eliminates client timeout issues by shifting heavy work to the background.
2. Leverage Built-In Queue Triggers
Queue-Triggered Function: A second, separate Azure Function is configured to trigger whenever a new message lands in the queue. It downloads the image from Blob Storage and performs the processing.
Automatic Retries: Azure Queue storage and Service Bus triggers feature native retry behavior. If the processing function fails or crashes, the message is automatically returned to the queue to be retried. Persistent failures are automatically moved to a Poison Queue (Dead Letter Queue) after a configured number of attempts (default is 5).
Independent Scaling: Under the Azure Consumption or Premium plan, the Queue-triggered function scales its instances up or down based on the queue length (the backlog of images to process). This scales independently of the HTTP-triggered function, which scales purely based on incoming request volume.
Reference:
https://oneuptime.com/blog/post/2026-02-16-azure-functions-python-http-triggers-blob-storage/view
NEW QUESTION # 132
Your organization requires that all prompts and completions sent to Azure OpenAI be retained for zero data logging beyond what's required for abuse monitoring, per contractual requirements.
What should you do?
Answer: B
Explanation:
Customers with qualifying requirements can apply to modify abuse monitoring and human review data logging for an Azure OpenAI resource through Microsoft's formal request process, which is the supported path for controlling this behavior - it isn't a client-side setting.
NEW QUESTION # 133
......
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