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| Section | Objectives |
|---|---|
| Topic 1: Plan and design AI solutions using Azure AI services | - Responsible AI design
|
| Topic 2: Operationalizing machine learning solutions | - ML lifecycle management
|
| Topic 3: Design and implement generative AI solutions | - Large language model integration
|
| Topic 4: Implement secure and scalable AI systems | - Scalability and performance optimization
|
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NEW QUESTION # 182
A team uses a hosted Git repository to store training code and pipeline definitions of a machine learning experiment.
The team must ensure that access to the repository is granted without requiring each developer to store personal access tokens on their machines.
Repository access must be secure and centrally managed to reduce credential spread.
You need to enable secure access between an Azure Machine Learning workspace and the repository.
Answer: D
Explanation:
A managed identity is the appropriate credential model when an Azure-hosted workload requires centrally controlled, non-user authentication to another service that supports Microsoft Entra identities. Managed identities eliminate developer-managed credentials because Azure manages the identity lifecycle and obtains short-lived Microsoft Entra tokens at runtime. Microsoft explicitly identifies managed identities as a mechanism for Azure-hosted applications to authenticate without storing credentials, and Azure DevOps supports managed identities for secure automation and repository-related access.
This satisfies the key MLOps security requirement: authentication is associated with the workload rather than individual developers. Administrators can grant the identity only the required repository permissions, enforcing least privilege while centralizing authorization. Microsoft also recommends Microsoft Entra-based authentication over higher-risk PAT-based approaches for Azure Repos.
Option A spreads a reusable private credential among developers and creates unnecessary exposure. Option B still introduces a PAT that must be stored, protected, rotated, and revoked. Option C depends on individual interactive authentication and is unsuitable for reliable automated MLOps workflows. Microsoft documents managed identities and workload identities as approaches that eliminate persistent secrets and reduce credential-management overhead.
Study Guide Reference: Design and implement an MLOps infrastructure - source-control integration, workload authentication, managed identities, least-privilege access, and credential management.
NEW QUESTION # 183
You manage a Microsoft Foundry project.
You are developing a solution to generate content based on text and images. The solution requires the ability to manage high-volume processing and avoid disruptions to the online workloads.
You need to deploy the solution.
Which deployment type and large language model (LLM) should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
LLM model: GPT-4o
Deployment type: Global batch
GPT-4o is the correct model because it is a multimodal model capable of processing both text and image inputs while generating text-based responses. This directly satisfies the requirement to generate content based on a combination of text and images. DALL-E is primarily designed for image generation rather than general multimodal language processing, while Whisper is designed for speech recognition and audio transcription.
Global batch is the correct deployment type because Microsoft specifically positions it for large-scale, high- volume asynchronous processing . Global Batch accepts large groups of requests and processes them using a separate enqueued-token quota. Critically, Microsoft states that this separate quota helps ensure that batch processing does not disrupt online workloads , which directly matches the scenario. It also provides a target turnaround of approximately 24 hours and is optimized for use cases such as large-scale content generation.
Standard deployments are better suited to interactive or lower-volume inference. Global provisioned deployments provide reserved predictable throughput, but they do not provide the specific workload isolation benefit described for asynchronous Global Batch processing.
Study Guide Reference: Design and implement a GenAIOps infrastructure - multimodal model selection, Azure OpenAI deployment types, batch inference, throughput management, and workload isolation.
NEW QUESTION # 184
You manage an Azure Machine Learning workspace. You have an environment for training jobs which uses an existing Docker image.
A new version of the Docker image is available.
You need to use the latest version of the Docker image for the environment configuration by using the Azure Machine Learning SDK v2.
What should you do?
Answer: A
Explanation:
To use a new version of the Docker image for an environment using the Azure Machine Learning SDK v2, you must instantiate an Environment class object with the new image parameter and then use the ml_client.environments.create_or_update() method.
Required Steps
1. Define the updated Environment: Use the Environment entity from the azure.ai.ml.entities package. Set the image parameter to the URI of the new Docker image version.
2. Register or update the asset: Pass the environment instance into
ml_client.environments.create_or_update() to create a new version of that environment asset within your workspace.
Reference:
https://github.com/Azure/azureml-examples/blob/main/sdk/python/assets/environment/environment-with-private- packages/environment-with-private-package-docker-image.ipynb
NEW QUESTION # 185
You are implementing hyperparameter tuning by using Bayesian sampling for an Azure ML Python SDK v2-based model training from a notebook. The notebook is in an Azure Machine Learning workspace. The notebook uses a training script that runs on a compute cluster with 20 nodes.
The code implements Bandit termination policy with slackjactor set to 0.2 and a sweep job with max_concurrent_trials set to 10.
You must increase effectiveness of the tuning process by improving sampling convergence.
You need to select which sampling convergence to use.
What should you select?
Answer: D
Explanation:
To improve the sampling convergence and effectiveness of your Bayesian hyperparameter sweep, you must decrease the value of max_concurrent_trials (for example, setting max_concurrent_trials = 4).
Decrease max_concurrent_trials
Bayesian sampling is a fundamentally sequential algorithm. It relies entirely on the outcomes of previously completed trials to calculate and select the next optimized set of hyperparameters.
The Problem: Setting max_concurrent_trials = 10 forces the optimization engine to kick off 10 trials at the exact same time. Because none of these 10 overlapping trials have completed or generated metrics yet, they cannot learn from one another. This high parallelism compromises the intelligence of the algorithm, turning your structured Bayesian sweep into a less effective random sampling process.
The Solution: Reducing max_concurrent_trials to a smaller number (such as 4) allows sets of trials to complete sequentially. This ensures the optimizer captures enough historical performance data to intelligently direct subsequent runs, achieving significantly better convergence.
Reference:
https://learn.microsoft.com/en-us/azure/machine-learning/how-to-tune-hyperparameters
NEW QUESTION # 186
Hotspot Question
You manage a Microsoft Foundry project.
You are evaluating two RAG solutions.
When generating answers, the solutions display the following results:
- The first solution displays low completeness and low utilization.
- The second solution displays low completeness and high utilization.
You need to address the issues found during evaluation.
Which action should you perform first for each issue? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 187
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