SC-300 - Implement Authentication and Access Management (25% of the exam) - Section 2.4

Implement advanced Conditional Access session management, continuous access evaluation, and protected actions.

Apply device-enforced restrictions and continuous access evaluation so that token revocation takes effect in near real time rather than waiting for expiry. Configure protected actions to require fresh Conditional Access satisfaction and troubleshoot policy conflicts using the What If tool.

session managementdevice-enforced restrictionscontinuous access evaluationprotected actionstesting and troubleshooting policies

Practice question for this objective

Free sampleImplement Authentication and Access Managementhard

A development team integrating a custom client against Exchange Online reports that the client behaves unpredictably during token revocation tests, and they need to temporarily stop continuous access evaluation from applying to that one application so they can isolate whether their token handling is the cause. Which Conditional Access setting lets the administrator turn off continuous access evaluation for just that application?

  • AWithin a Conditional Access policy scoped to the application, use the Customize continuous access evaluation session control and set it to Disable. Correct
  • BLower the application's access token lifetime to a few minutes through a token lifetime policy so revocation events no longer matter during the test.
  • CRemove the application from all Conditional Access policies so continuous access evaluation has no policy to evaluate against for it.
  • DDisable security defaults for the tenant so continuous access evaluation stops being enforced on the application's sessions.
Use the Customize continuous access evaluation session control set to Disable to switch off continuous access evaluation for a single application while troubleshooting. Conditional Access exposes continuous access evaluation as a customisable session control. Setting Customize continuous access evaluation to Disable in a policy scoped to the application stops continuous access evaluation for those sessions only, giving a controlled way to test client token handling without weakening the rest of the tenant.

Why A is correct: The Customize continuous access evaluation session control, set to Disable in a policy scoped to that app, switches continuous access evaluation off for those sessions, which is the supported way to isolate the behaviour for troubleshooting.

Why B is wrong: Shortening the token lifetime changes token duration but leaves continuous access evaluation active, so revocation events still fire and the team cannot cleanly isolate whether their own token handling is at fault.

Why C is wrong: Removing the app from Conditional Access also drops every other grant and session control protecting it, and continuous access evaluation can still operate independently of policy scope, so this neither targets the feature nor is safe.

Why D is wrong: Security defaults are a separate baseline that does not govern continuous access evaluation, and turning them off would weaken tenant-wide protection without affecting the per-app continuous access evaluation behaviour being tested.

See more SC-300 practice questions, answers explained.

Exam traps in Implement Authentication and Access Management

Answers that look right on this material and are not. Each one is a distractor from a different question in the SC-300 bank for this domain.

  • Lower the access token lifetime to five minutes by configuring a token lifetime policy that the finance app honours on every request.

    Why it is wrong: Shortening token lifetime narrows the revocation window but still relies on expiry rather than an event, and very short tokens add load and latency without delivering near real-time revocation.

  • Assign the affected administrators an eligible Privileged Identity Management role so activation forces the phishing-resistant challenge before they can change the settings.

    Why it is wrong: Privileged Identity Management can require strong authentication at activation, but it gates role activation rather than the specific permission, so it cannot bind the challenge to the individual high-impact operation the way protected actions do.

  • Under Cloud apps, exclude the Microsoft Entra admin portal so the accounts can still reach it

    Why it is wrong: Excluding an app from the policy changes which apps the block applies to for everyone, not which accounts are exempt, so the emergency accounts would still be blocked for the in-scope apps.

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