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| Section | Objectives |
|---|---|
| Topic 1: Design and implement generative AI solutions | - Large language model integration
|
| Topic 2: Operationalizing machine learning solutions | - ML lifecycle management
|
| Topic 3: Plan and design AI solutions using Azure AI services | - Requirements gathering and solution architecture
|
| Topic 4: Implement secure and scalable AI systems | - Scalability and performance optimization
|
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NEW QUESTION # 62
Hotspot Question
You use Azure Machine Learning to implement hyperparameter tuning with a Bandit early termination policy for an Azure ML Python SDK v2-based model training.
The policy uses a slack_factor set to 0.1, an evaluation interval set to 1, and an evaluation delay set to 5.
You need to evaluate the outcome of the early termination policy.
What should you evaluate? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: 91%
Box 2: Every interval when metrics are reported, starting at evaluation interval 5 Every interval when metrics are reported, starting at evaluation interval 5 is the best description for the run termination schedule in this scenario.
evaluation_interval = 1: The policy checks for potential termination every time the training script logs the primary metric.
evaluation_delay = 5: Policy evaluation is suspended for the first 5 intervals to prevent the premature termination of training runs before they have time to stabilize.
Combined Behavior: Once the evaluation_delay threshold of 5 is met, the policy applies at every subsequent multiple of the evaluation_interval (Intervals 5, 6, 7, etc.).
Reference:
https://azure.github.io/azureml-sdk-for-r/reference/bandit_policy.html
NEW QUESTION # 63
A team deploys a model to a real-time endpoint in Azure Machine Learning. You deploy some updates to the endpoint.
The endpoint returns errors after the new deployment is released.
You need to restore the service as quickly as possible.
What should you do first?
Answer: A
Explanation:
To restore the service as quickly as possible, you can roll back traffic to the previous deployment by updating the traffic allocation settings of your Azure Machine Learning online endpoint.
Azure Machine Learning managed online endpoints support multiple deployments under a single endpoint, allowing for blue-green deployment strategies where you can shift traffic between versions instantly.
Key Benefits of This Approach
Instant Recovery: Traffic shifting is a routing change and does not require redeploying the previous model's code or environment, making it the fastest recovery method.
No Downtime: Because the previous deployment remains "warm" (active but receiving no traffic), the switch happens without interrupting the service.
Isolation for Debugging: You can keep the failing deployment at 0% traffic to inspect its logs using az ml online-deployment get-logs without affecting end users How to Roll Back Traffic If your new deployment (e.g., "green") is returning errors, you can reallocate 100% of the traffic back to the known stable deployment (e.g., "blue") using the following methods:
* Azure CLI: Use the az ml online-endpoint update command to set the traffic percentage:
az ml online-endpoint update --name <your-endpoint-name> --traffic "blue=100 green=0"
* Azure Machine Learning Studio:
Navigate to Endpoints in the left menu.
Select your specific real-time endpoint.
Go to the Details or Live Traffic tab.
Adjust the traffic percentages so the previous deployment receives 100% and the failing deployment receives 0%.
Select Update or Save to apply the changes immediately
Reference:
https://learn.microsoft.com/en-us/answers/questions/1275110/azure-ml-v2-yaml-code-for-live- traffic-allocation
NEW QUESTION # 64
An Azure Machine Learning workspace contains multiple registered versions of a model that is used in production.
An older model version must no longer be deployable, but it must remain available for compliance review and potential rollback.
You need to change the state of the model version to meet the requirements.
What should you do?
Answer: C
Explanation:
Azure Machine Learning ' s model registry supports three lifecycle states: Active (the default, fully usable state), Archived (not deployable but still accessible for review), and Deleted (permanently removed).
Archiving is precisely designed for this scenario: it ensures that operations teams cannot accidentally select the old version for a new deployment, while compliance officers can still inspect it, compare its metrics to newer versions, and reactivate it quickly if a rollback is needed. Deleting (option B) would permanently remove the version, making compliance review and rollback impossible and violating both requirements.
Unregistering (option D) is not a standard Azure ML operation; deletion is the removal action. Archiving the training dataset (option A) is unrelated to the model version ' s deployability. Archiving creates a soft-block on deployment while preserving the full artifact history.
Microsoft Learn Reference Topic: Manage model versions in the Azure Machine Learning registry - Archive and lifecycle management
NEW QUESTION # 65
You have an Azure Machine Learning (ML) model deployed to an online endpoint.
You need to review container logs from the endpoint by using Azure Ml Python SDK v2. The logs must include the console log from the inference server with print/log statements from the models scoring script.
What should you do first?
Answer: A
NEW QUESTION # 66
You have an Azure Machine Learning workspace.
You have the following code:
You plan to rely on serverless compute to train a model by using Azure Machine Learning Python SDK v2.
The serverless compute must use a designated number of nodes of a specific virtual machine type.
You need to modify the code to run the training job according to the plan.
How should you modify the command object? To answer, select the appropriate oations in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
NEW QUESTION # 67
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