Quick Answer
The answer is Microsoft Entra ID OAuth 2.0, the recommended authentication method for securing a custom connector in Microsoft Copilot Studio. This method uses token-based access, allowing the Copilot to authenticate against a backend CRM without exposing or storing static credentials, which is essential for production-grade security. On the Microsoft Azure AI Engineer Associate AI-102 exam, this question tests your understanding of secure integration patterns, often appearing as a scenario where you must choose between authentication types for custom connectors. A common trap is selecting API keys for simplicity, but the exam emphasizes that OAuth 2.0 with Entra ID is the only option that supports delegated permissions and conditional access policies. Remember the memory tip: “OAuth for the win, keys are for the bin”—if the connector needs to act on behalf of a user securely, always choose OAuth 2.0.
This AI-102 practice question tests your understanding of implement generative ai solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your company wants to build a custom Copilot for customer support using Microsoft Copilot Studio. The support team needs to query a backend CRM system securely using the Copilot. Which authentication method should you configure for the custom connector to the CRM?
Microsoft Entra ID OAuth 2.0
OAuth 2.0 with Microsoft Entra ID provides secure token-based authentication.
API key authentication
Why wrong: API keys are less secure and not recommended for production connectors.
Basic authentication
Why wrong: Basic authentication sends credentials in plain text, which is insecure.
Client certificate authentication
Why wrong: Client certificates are not directly supported by Copilot Studio connectors.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft Entra ID OAuth 2.0
Option C is correct because Microsoft Entra ID OAuth 2.0 is the recommended secure authentication for custom connectors in Copilot Studio, allowing token-based access without exposing credentials. Option A is wrong because API keys are less secure and not recommended for production. Option B is wrong because Basic authentication sends credentials in plain text. Option D is wrong because client certificates are not directly supported by Copilot Studio connectors.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Microsoft Entra ID OAuth 2.0
Why this is correct
OAuth 2.0 with Microsoft Entra ID provides secure token-based authentication.
Related concept
Read the scenario before looking for a memorised answer.
API key authentication
Why it's wrong here
API keys are less secure and not recommended for production connectors.
Basic authentication
Why it's wrong here
Basic authentication sends credentials in plain text, which is insecure.
Client certificate authentication
Why it's wrong here
Client certificates are not directly supported by Copilot Studio connectors.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Implement generative AI solutions — This question tests Implement generative AI solutions — Read the scenario before looking for a memorised answer..
The correct answer is: Microsoft Entra ID OAuth 2.0 — Option C is correct because Microsoft Entra ID OAuth 2.0 is the recommended secure authentication for custom connectors in Copilot Studio, allowing token-based access without exposing credentials. Option A is wrong because API keys are less secure and not recommended for production. Option B is wrong because Basic authentication sends credentials in plain text. Option D is wrong because client certificates are not directly supported by Copilot Studio connectors.
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This AI-102 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AI-102 exam.
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