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AZ-400 Premium File: 398 Questions & Answers

Last Update: Oct 03, 2026

AZ-400 Training Course: 27 Video Lectures

AZ-400 PDF Study Guide: 784 Pages

$79.99

AZ-400 Bundle gives you unlimited access to "AZ-400" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Microsoft AZ-400 Practice Test 88

Question 870

After the team applies this response: Automate software composition and license-policy evaluation for final package dependencies. In the situation—A security team checks dependency vulnerabilities but a release includes a package whose license violates internal policy. Which evidence BEST demonstrates the response is effective?

  1. Include a controlled prohibited-license fixture and verify review or policy gate blocks publication.
  2. Inspect all group memberships and verify prohibited operations are denied after the change.
  3. Use the service connection identity to retrieve the expected secret and verify attempts on unrelated secrets fail.
  4. Inspect workflow token permissions and verify it can perform the required action but not unrelated repository writes.

Explanation

Correct Answer

A:

This evidence directly verifies the proposed control under the stated failure scenario: Include a controlled prohibited-license fixture and verify review or policy gate blocks publication. The governing engineering principle is: Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.

Incorrect Answers

B:

Effective authorization is the union of relevant role and group grants, not simply the most recent membership edit. The appropriate comparison is: Include a controlled prohibited-license fixture and verify review or policy gate blocks publication.

C:

Key Vault authorization depends on the identity, vault access model and granted data operations. The relevant evidence instead is: Include a controlled prohibited-license fixture and verify review or policy gate blocks publication.

D:

Automation should rely on purpose-scoped integration identities rather than personal credentials. The acceptance criterion here is: Include a controlled prohibited-license fixture and verify review or policy gate blocks publication.

Question 871

Another organization reports its software supply chain secure while failing to inventory open-source licenses. Which engineering principle BEST explains the relevant requirement?

  1. Authorization must be evaluated as enforced behavior rather than guessed from role labels alone.
  2. Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.
  3. Automation should rely on purpose-scoped integration identities rather than personal credentials.
  4. GITHUB_TOKEN rights should be declared to match each job's actual operations.

Explanation

Correct Answer

B:

The second engineering situation illustrates the control boundary captured by this principle: Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity. The scenario is not resolved by an unrelated pipeline or policy activity.

Incorrect Answers

A:

The second engineering situation illustrates the control boundary captured by this principle: Authorization must be evaluated as enforced behavior rather than guessed from role labels alone. What must be demonstrated is: Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.

C:

The second engineering situation illustrates the control boundary captured by this principle: Automation should rely on purpose-scoped integration identities rather than personal credentials. The appropriate comparison is: Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.

D:

GITHUB_TOKEN rights should be declared to match each job's actual operations. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.

Question 872

Another organization reports its software supply chain secure while failing to inventory open-source licenses. Which unsupported assumption should the engineer challenge FIRST?

  1. Calling a deployment staging does not protect production if the workflow still uses production credentials.
  2. A long-lived personal token becomes safe only because it is stored in a repository secret setting.
  3. A private repository does not guarantee all authorized readers should access production certificates.
  4. A dependency with no known CVE is not necessarily legally approved for redistribution.

Explanation

Correct Answer

D:

A dependency with no known CVE is not necessarily legally approved for redistribution. This is the relevant unsupported assumption because software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity.

Incorrect Answers

A:

Calling a deployment staging does not protect production if the workflow still uses production credentials. The relevant evidence instead is: A dependency with no known CVE is not necessarily legally approved for redistribution.

B:

A long-lived personal token becomes safe only because it is stored in a repository secret setting. The acceptance criterion here is: A dependency with no known CVE is not necessarily legally approved for redistribution.

C:

This is the relevant unsupported assumption because sensitive deployment files require a security boundary distinct from ordinary source or artifact distribution. What must be demonstrated is: A dependency with no known CVE is not necessarily legally approved for redistribution.

Question 873

A team has GitHub Advanced Security and Defender for Cloud findings but creates duplicate tickets for the same vulnerability. Which design or operational change MOST directly satisfies the requirement?

  1. Reconcile effective user permissions across direct, group and inherited grants, then remove unnecessary paths.
  2. Correlate findings by repository, commit, package identity and deployed artifact with clear ownership.
  3. Prefer secure environment or controlled secret inputs and avoid command-line or log exposure for sensitive values.
  4. Enable an appropriate managed identity and grant it only the Key Vault data-plane permissions required by the workload.

Explanation

Correct Answer

B:

Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures. The most directly responsive design or operational step is: Correlate findings by repository, commit, package identity and deployed artifact with clear ownership. Confirm the result by: Inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.

Incorrect Answers

A:

Effective authorization is the union of relevant role and group grants, not simply the most recent membership edit. The relevant control is to correlate findings by repository, commit, package identity and deployed artifact with clear ownership.

C:

Secret masking in pipeline logs is not a complete defense against process or file-based leakage. The needed step here is to correlate findings by repository, commit, package identity and deployed artifact with clear ownership.

D:

Managed identity removes application-secret management when the target service supports Entra authentication. The appropriate remedy is to correlate findings by repository, commit, package identity and deployed artifact with clear ownership.

Question 874

After the team applies this response: Correlate findings by repository, commit, package identity and deployed artifact with clear ownership. In the situation—A team has GitHub Advanced Security and Defender for Cloud findings but creates duplicate tickets for the same vulnerability. Which evidence BEST demonstrates the response is effective?

  1. Audit effective inherited permissions and test required contribution versus restricted policy editing.
  2. Inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.
  3. Inspect identity bindings and test allowed and denied access for each application under its effective identity.
  4. Request the intended secret as the managed identity and verify unrelated secrets remain inaccessible.

Explanation

Correct Answer

B:

The governing engineering principle is: Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.

Incorrect Answers

A:

Source management privileges should distinguish day-to-day contribution from changing the enforcement rules. Instead, the response must inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.

C:

User-assigned identity reuse is a deliberate shared trust boundary, not merely a configuration convenience. The relevant control is to inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.

D:

Managed identity removes application-secret management when the target service supports Entra authentication. The needed step here is to inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.

Question 875

Another project cannot correlate code-scanning alerts with the deployed image and the responsible release. Which engineering principle BEST explains the relevant requirement?

  1. Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.
  2. User-assigned identity reuse is a deliberate shared trust boundary, not merely a configuration convenience.
  3. Source management privileges should distinguish day-to-day contribution from changing the enforcement rules.
  4. Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

Explanation

Correct Answer

A:

The second engineering situation illustrates the control boundary captured by this principle: Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures. The scenario is not resolved by an unrelated pipeline or policy activity.

Incorrect Answers

B:

User-assigned identity reuse is a deliberate shared trust boundary, not merely a configuration convenience. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.

C:

Source management privileges should distinguish day-to-day contribution from changing the enforcement rules. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.

D:

Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.

Question 876

Another project cannot correlate code-scanning alerts with the deployed image and the responsible release. Which unsupported assumption should the engineer challenge FIRST?

  1. Sharing one managed identity across services can unintentionally combine their effective privileges.
  2. Two different scanner alerts are not necessarily two different exploitable issues.
  3. A repository secret being encrypted at rest does not mean every workflow should be allowed to read it.
  4. A long-lived personal token becomes safe only because it is stored in a repository secret setting.

Explanation

Correct Answer

B:

Two different scanner alerts are not necessarily two different exploitable issues. This is the relevant unsupported assumption because security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures.

Incorrect Answers

A:

This is the relevant unsupported assumption because user-assigned identity reuse is a deliberate shared trust boundary, not merely a configuration convenience. The appropriate comparison is: Two different scanner alerts are not necessarily two different exploitable issues.

C:

A repository secret being encrypted at rest does not mean every workflow should be allowed to read it. The relevant evidence instead is: Two different scanner alerts are not necessarily two different exploitable issues.

D:

A long-lived personal token becomes safe only because it is stored in a repository secret setting. The acceptance criterion here is: Two different scanner alerts are not necessarily two different exploitable issues.

Question 877

A container scan runs after production deployment, allowing known critical packages to ship before the result arrives. Which design or operational change MOST directly satisfies the requirement?

  1. Use a scoped Azure Resource Manager service connection based on workload identity federation or appropriate managed identity.
  2. Place blocking security scans before release promotion and require successful completion plus approved findings treatment.
  3. Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines.
  4. Separate environments' identities and data with nonproduction secrets and controlled synthetic test inputs.

Explanation

Correct Answer

B:

A release gate must consider scan outcome and review status at decision time. The most directly responsive design or operational step is: Place blocking security scans before release promotion and require successful completion plus approved findings treatment. Confirm the result by: Run a deliberately failing scanner fixture and confirm downstream production deployment never begins.

Incorrect Answers

A:

Automation credentials should use narrowly scoped non-personal identities and minimize long-lived secrets. What must be demonstrated is: Place blocking security scans before release promotion and require successful completion plus approved findings treatment.

C:

Service connection use and Azure RBAC scope jointly define automation access boundaries. The appropriate comparison is: Place blocking security scans before release promotion and require successful completion plus approved findings treatment.

D:

Confirm the result by: Verify staging role cannot access production resources and the build config contains no live secrets. The relevant evidence instead is: Place blocking security scans before release promotion and require successful completion plus approved findings treatment.

Question 878

After the team applies this response: Place blocking security scans before release promotion and require successful completion plus approved findings treatment. In the situation—A container scan runs after production deployment, allowing known critical packages to ship before the result arrives. Which evidence BEST demonstrates the response is effective?

  1. Review installation scope and attempt an unauthorized repository API call using the App token.
  2. Inspect federated trust claims, effective RBAC and deployment logs showing temporary credential use.
  3. Run a deliberately failing scanner fixture and confirm downstream production deployment never begins.
  4. Inspect produced ZIPs and container layers and verify a test secret causes release failure.

Explanation

Correct Answer

C:

The governing engineering principle is: A release gate must consider scan outcome and review status at decision time.

Incorrect Answers

A:

Application integrations should receive only required repository access and authenticated event scope. The appropriate remedy is to run a deliberately failing scanner fixture and confirm downstream production deployment never begins.

B:

Automation credentials should use narrowly scoped non-personal identities and minimize long-lived secrets. Instead, the response must run a deliberately failing scanner fixture and confirm downstream production deployment never begins.

D:

Sensitive information must remain outside redistributable build outputs even when securely retrieved earlier. The relevant control is to run a deliberately failing scanner fixture and confirm downstream production deployment never begins.

Question 879

Another team uses a quality gate that checks only whether a scan job started, not whether it finished successfully. Which engineering principle BEST explains the relevant requirement?

  1. Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.
  2. A release gate must consider scan outcome and review status at decision time.
  3. Effective authorization is the union of relevant role and group grants, not simply the most recent membership edit.
  4. Key Vault authorization depends on the identity, vault access model and granted data operations.

Explanation

Correct Answer

B:

The second engineering situation illustrates the control boundary captured by this principle: A release gate must consider scan outcome and review status at decision time. The scenario is not resolved by an unrelated pipeline or policy activity.

Incorrect Answers

A:

Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: A release gate must consider scan outcome and review status at decision time.

C:

Effective authorization is the union of relevant role and group grants, not simply the most recent membership edit. That principle concerns design and implement authentication and authorization methods, whereas this specific incident is governed by: A release gate must consider scan outcome and review status at decision time.

D:

Key Vault authorization depends on the identity, vault access model and granted data operations. That principle concerns design and implement a strategy for managing sensitive information in automation, whereas this specific incident is governed by: A release gate must consider scan outcome and review status at decision time.

Question 880

Another team uses a quality gate that checks only whether a scan job started, not whether it finished successfully. Which unsupported assumption should the engineer challenge FIRST?

  1. Having Contributor access to a resource group does not necessarily permit reading every Key Vault secret.
  2. Starting a scanner before deployment is not the same as waiting for its result before deployment.
  3. OIDC authentication without claim restrictions may replace a secret while keeping excessive deployment access.
  4. Sharing one managed identity across services can unintentionally combine their effective privileges.

Explanation

Correct Answer

B:

Starting a scanner before deployment is not the same as waiting for its result before deployment. This is the relevant unsupported assumption because a release gate must consider scan outcome and review status at decision time.

Incorrect Answers

A:

This caution is valid in design and implement a strategy for managing sensitive information in automation, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Starting a scanner before deployment is not the same as waiting for its result before deployment.

C:

This caution is valid in design and implement a strategy for managing sensitive information in automation, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Starting a scanner before deployment is not the same as waiting for its result before deployment.

D:

This caution is valid in design and implement authentication and authorization methods, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Starting a scanner before deployment is not the same as waiting for its result before deployment.


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