AI-102 Practice Question: Implement natural language processing solutions
A healthcare company is developing a solution to analyze patient feedback using Azure AI Language. The solution must extract key phrases, detect sentiment, and identify personally identifiable information (PII) such as patient names and medical record numbers from unstructured text. The company has strict compliance requirements: all text processing must occur within the United States region, and no data may leave the Azure geography. The development team has provisioned a Language resource in the East US region and has been testing the solution. During testing, the team notices that the PII detection feature is returning results, but the key phrase extraction and sentiment analysis are failing with a 403 error. The error message indicates that the resource is not allowed to access these features. The team has verified that the resource is in the S0 tier. What should the team do to resolve the issue?
⚠ Common exam trap
It's easy for candidates to assume a 403 error always means an authentication or authorization issue (like an invalid key or insufficient tier), when in fact it can indicate that the requested feature is not available in the resource's region, a subtle but critical distinction in Azure AI services.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify regional availability of the features and recreate the Language resource in a supported region if necessary.
The 403 error indicates an authorization or regional availability issue, not a tier or key problem. Key phrase extraction and sentiment analysis are available in all regions that support the Language service, but PII detection may have broader regional support. The team must verify that the East US region supports all three features; if not, they need to recreate the resource in a supported region like West US or South Central US to ensure compliance with the United States geography requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Switch to the free tier to access all features.
Why it's wrong here
The free tier has limited features and may not support all required features; also the issue is regional, not tier-based.
- ✗
Upgrade the Language resource to the S1 tier to enable all features.
Why it's wrong here
The S0 tier already supports key phrase extraction and sentiment analysis; the issue is not the tier.
- ✓
Verify regional availability of the features and recreate the Language resource in a supported region if necessary.
Why this is correct
Certain features may not be available in all regions; checking regional availability and recreating the resource in a supported region resolves the issue.
- ✗
Regenerate the API key and update the application code.
Why it's wrong here
Regenerating the key does not affect feature availability.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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