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AB-900 Free Practice Questions — Page 3

Question 21

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: adding a public DNS record.
Explanation:
Microsoft 365 verifies domain ownership by requiring you to add a DNS record (typically a TXT or sometimes MX record) to the domain's public DNS zone.

Question 22

Which statement accurately describes authorization in Microsoft 365?

A. a process to verify whether an identity is who or what they claim to be
B. a process to require additional authentication methods before an identity can access resources
C. a process to verify whether an identity is allowed to access a resource
D. a process to validate an identity from an external system
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Correct Answer: C
Explanation:
Authorization determines whether an authenticated identity has permission to access a specific resource or perform an action. Authentication verifies identity, MFA requires additional verification, and federation validates identities across trusted external systems.

Question 23

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: Microsoft Graph
Explanation:
Microsoft Graph provides organizational signals such as collaboration history, document relevance, and communication frequency that Microsoft 365 Copilot uses to ground responses.

Question 24

HOTSPOT - For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

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Correct Answer: No Yes Yes
Explanation:
Site members do not generally grant site access by inviting new users. Site owners can add Microsoft 365 groups to site permissions and can remove other site owners.

Question 25

HOTSPOT - For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

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Correct Answer: Yes Yes No
Explanation:
Entra security groups can assign permissions to Entra ID resources and support group-based Microsoft 365 licensing. Exchange mailbox permission assignment requires Exchange-recognized recipient objects such as mail-enabled security groups, not a standard Entra security group.

Question 26

Your company is evaluating Microsoft 365 Copilot licensing. In which scenario should you use pay-as-you-go billing?

A. to provide users with access to the AI assistant in Copilot in Word
B. to summarize the actions in Microsoft Teams meetings
C. to generate images in premium chats
D. to make a custom agent available to unlicensed users
Show Answer
Correct Answer: D
Explanation:
Pay-as-you-go billing for Microsoft 365 Copilot is intended for metered consumption scenarios, including enabling custom agents for users who do not have a Microsoft 365 Copilot license. The other options describe capabilities typically available through Microsoft 365 Copilot licensing rather than pay-as-you-go billing.

Question 27

What can you use to block a user account automatically when a risky sigh-in is detected?

A. Microsoft Defender for Identity
B. Microsoft Entra ID Protection
C. Microsoft Defender for Office 365
D. Microsoft Entra Privileged Identity Management (PIM)
Show Answer
Correct Answer: B
Explanation:
Microsoft Entra ID Protection detects identity and sign-in risks and supports automatic remediation through risk-based policies, including blocking access or requiring password changes when risky sign-ins are detected.

Question 28

HOTSPOT - Select the answer that correctly completes the sentence.

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Correct Answer: are NOT assigned a Microsoft 365 Copilot license
Explanation:
The Copilot credits report measures credits consumed by unlicensed users who interact with work-grounded agents in Microsoft 365 Copilot Chat, not licensed Copilot users.

Question 29

HOTSPOT - Your company uses Microsoft 365 Copilot pay-as-you-go billing. The company wants greater visibility into Copilot usage costs and the ability to forecast departmental spending. You need to ensure that you can see Copilot costs by department. What should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer: Portal: The Microsoft 365 admin center Feature: A billing policy
Explanation:
Billing policies for Microsoft 365 Copilot pay-as-you-go are configured in the Microsoft 365 admin center to attribute usage costs (such as by department) and support cost visibility and forecasting.

Question 30

HOTSPOT - For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

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Correct Answer: No Yes No
Explanation:
Microsoft 365 Copilot requires authenticated, licensed users. Admins can enable or block self-service purchase where supported. Copilot licenses are assigned to users in the tenant, not external Entra ID guest users.

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