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| Section | Objectives |
|---|---|
| Plan and design AI solutions using Azure AI services | - Responsible AI design
|
| Design and implement generative AI solutions | - Large language model integration
|
| Implement secure and scalable AI systems | - Scalability and performance optimization
|
| Operationalizing machine learning solutions | - ML lifecycle management
|
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NEW QUESTION # 84
You create a binary classification model. You use the Fairlearn package to assess model fairness.
You must eliminate the need to retrain the model.
You need to implement the Fairlearn package.
Which algorithm should you use?
Answer: C
Explanation:
The best algorithm to implement within the Fairlearn package for a binary classification model without retraining is the ThresholdOptimizer.
Why ThresholdOptimizer?
This algorithm is a post-processing technique specifically designed to mitigate unfairness after a model has already been trained. By setting the prefit parameter to True, it treats your existing model as a "black box," adjusting its decision thresholds for different groups to satisfy fairness constraints (like demographic parity or equalized odds) without changing the underlying model weights.
Reference:
https://learn.microsoft.com/en-us/azure/machine-learning/concept-fairness-ml
NEW QUESTION # 85
You are planning to register a trained model in an Azure Machine Learning workspace.
You must store additional metadata about the model in a key-value format. You must be able to add new metadata and modify or delete metadata after creation.
You need to register the model.
Which parameter should you use?
Answer: D
Explanation:
azureml.core.Model.properties:
Dictionary of key value properties for the Model. These properties cannot be changed after registration, however new key value pairs can be added.
Reference:
https://docs.microsoft.com/en-us/python/api/azureml-core/azureml.core.model.model
NEW QUESTION # 86
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: D
Explanation:
Speed of recovery is the central requirement. Rolling back traffic to the previous deployment is the fastest possible action: because the previous deployment still exists on the same endpoint, you simply update the traffic weights - setting the old deployment to 100% and the new deployment to 0% - using a single Azure ML CLI command or SDK call that completes in seconds without reprovisioning any compute. Deleting and redeploying (option B) requires tearing down the endpoint, waiting for deprovisioning, recreating it, re- deploying the model, and waiting for containers to start - potentially 10 to 30 minutes. Changing authentication type (option C) does not affect application errors caused by a bad model. Increasing compute size (option D) does not fix model logic errors. The entire reason Azure ML supports multiple concurrent deployments with traffic splitting is precisely to enable this instant rollback pattern.
Microsoft Learn Reference Topic: Roll back deployments on managed online endpoints - Azure Machine Learning safe deployment practices
NEW QUESTION # 87
You manage an Azure Machine Learning workspace. You have a folder that contains a CSV file. The folder is registered as a folder data asset.
You plan to use the folder data asset for data wrangling during interactive development.
You need to access and load the folder data asset into a Pandas data frame.
Which method should you use to achieve this goal?
Answer: A
Explanation:
Azure Machine Learning distinguishes between uri_folder, uri_file, and mltable data assets. Because the registered asset in this scenario is a folder data asset containing CSV data , the appropriate MLTable API is mltable.from_delimited_files(). Microsoft documents that a registered uri_folder containing CSV files can be retrieved through MLClient, its storage path supplied as a folder path, and then passed to mltable.
from_delimited_files(). The resulting MLTable object can subsequently be materialized into a Pandas DataFrame by calling to_pandas_dataframe().
A representative workflow is conceptually:
tbl = mltable.from_delimited_files(paths=[{ " folder " : data_asset.path}]) followed by:
df = tbl.to_pandas_dataframe()
mltable.load() is primarily appropriate when loading an existing MLTable definition , such as a registered table data asset containing an MLTable file. from_parquet_files() is intended for Parquet-formatted data, while from_delta_lake() targets Delta Lake data sources. Neither matches the CSV-based folder described here. Microsoft also identifies uri_folder as the appropriate asset type for folders containing CSV or Parquet files used with Pandas or Spark.
Study Guide Reference: Design and implement an MLOps infrastructure - Azure Machine Learning data assets, MLTable APIs, interactive data access, and Pandas-based data wrangling.
Continue with Azure ML data access
NEW QUESTION # 88
Drag and Drop Question
A company plans to deploy a foundation model in Microsoft Foundry.
The mode must support the following workloads:
- A customer support workload used across multiple regions
- A marketing workload that must remain within a specific region due to data residency requirements You need to select the deployment type.
Which deployment type should you use for each workload? To answer, move the appropriate deployment types to the correct requirements. You may use each deployment type once, more than once, or not at all. You may need to move the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 89
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