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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 79

Question 780

Another organization uses default broad GITHUB_TOKEN permissions for untrusted pull-request validation. Which unsupported assumption should the engineer challenge FIRST?

  1. A generated SARIF file is not equivalent to an approved security risk disposition.
  2. A dependency with no known CVE is not necessarily legally approved for redistribution.
  3. A token that expires at the end of a job can still cause harm if it has unnecessary write privileges.
  4. A code-scanning job written in YAML is not a strong control if every contributor may remove the job.

Explanation

Correct Answer

C:

A token that expires at the end of a job can still cause harm if it has unnecessary write privileges. This is the relevant unsupported assumption because gITHUB_TOKEN rights should be declared to match each job's actual operations.

Incorrect Answers

A:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A token that expires at the end of a job can still cause harm if it has unnecessary write privileges.

B:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A token that expires at the end of a job can still cause harm if it has unnecessary write privileges.

D:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A token that expires at the end of a job can still cause harm if it has unnecessary write privileges.

Question 781

An Azure DevOps stakeholder can view boards but a team incorrectly upgrades the user to Basic with broad project administration rights. Which design or operational change MOST directly satisfies the requirement?

  1. Grant scoped Key Vault secrets access using supported RBAC or access policies to the actual deployment identity.
  2. Apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking.
  3. Separate security policy administration from application contribution and require independent review of scanner configuration changes.
  4. Add container image vulnerability scanning to the release pipeline and track the exact deployed image digest.

Explanation

Correct Answer

B:

Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities. The most directly responsive design or operational step is: Apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking. Confirm the result by: Test the user's work-item actions and confirm source control and admin functions remain restricted.

Incorrect Answers

A:

Key Vault authorization depends on the identity, vault access model and granted data operations. The appropriate remedy is to apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking.

C:

Security gates are trustworthy only when the subjects they control cannot silently disable them. Instead, the response must apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking.

D:

Final deployable images can contain risks not visible in the application source repository alone. The relevant control is to apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking.

Question 782

After the team applies this response: Apply the least expensive suitable access level and project security permissions, such as Stakeholder for appropriate work tracking. In the situation—An Azure DevOps stakeholder can view boards but a team incorrectly upgrades the user to Basic with broad project administration rights. Which evidence BEST demonstrates the response is effective?

  1. Inspect recent default-branch and PR scan results with source revisions and analyzer coverage.
  2. Inspect secure-file access rules and verify only the authorized deployment job can retrieve the certificate.
  3. Run a test workflow from an unapproved branch and verify Azure token exchange fails while approved release succeeds.
  4. Test the user's work-item actions and confirm source control and admin functions remain restricted.

Explanation

Correct Answer

D:

The governing engineering principle is: Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

Incorrect Answers

A:

Security scanning needs both change-based detection and recurring visibility into current deployed source. The needed step here is to test the user's work-item actions and confirm source control and admin functions remain restricted.

B:

Sensitive deployment files require a security boundary distinct from ordinary source or artifact distribution. The appropriate remedy is to test the user's work-item actions and confirm source control and admin functions remain restricted.

C:

Federated identity security depends on sufficiently narrow claims linking external workflows to Azure roles. Instead, the response must test the user's work-item actions and confirm source control and admin functions remain restricted.

Question 783

Another company grants vendors full project access simply to report work-item status. Which engineering principle BEST explains the relevant requirement?

  1. Federated identity security depends on sufficiently narrow claims linking external workflows to Azure roles.
  2. Secret masking in pipeline logs is not a complete defense against process or file-based leakage.
  3. Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.
  4. Final deployable images can contain risks not visible in the application source repository alone.

Explanation

Correct Answer

C:

The second engineering situation illustrates the control boundary captured by this principle: Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities. The scenario is not resolved by an unrelated pipeline or policy activity.

Incorrect Answers

A:

Federated identity security depends on sufficiently narrow claims linking external workflows to Azure roles. That principle concerns design and implement a strategy for managing sensitive information in automation, whereas this specific incident is governed by: Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

B:

Secret masking in pipeline logs is not a complete defense against process or file-based leakage. That principle concerns design and implement a strategy for managing sensitive information in automation, whereas this specific incident is governed by: Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

D:

Final deployable images can contain risks not visible in the application source repository alone. That principle concerns automate security and compliance scanning, whereas this specific incident is governed by: Azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

Question 784

Another company grants vendors full project access simply to report work-item status. Which unsupported assumption should the engineer challenge FIRST?

  1. Giving someone Stakeholder access does not inherently grant every repository and pipeline permission.
  2. A dependency with no known CVE is not necessarily legally approved for redistribution.
  3. Creating a new version of a secret does not automatically revoke all old credentials used elsewhere.
  4. A code-scanning job written in YAML is not a strong control if every contributor may remove the job.

Explanation

Correct Answer

A:

Giving someone Stakeholder access does not inherently grant every repository and pipeline permission. This is the relevant unsupported assumption because azure DevOps access levels and security permissions govern different aspects of a user's effective capabilities.

Incorrect Answers

B:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Giving someone Stakeholder access does not inherently grant every repository and pipeline permission.

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: Giving someone Stakeholder access does not inherently grant every repository and pipeline permission.

D:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Giving someone Stakeholder access does not inherently grant every repository and pipeline permission.

Question 785

A GitHub outside collaborator needs access to one repository but receives membership in an organization-wide write team. Which design or operational change MOST directly satisfies the requirement?

  1. Verify GitHub and Azure DevOps connectors, repository inventory coverage and configuration of DevOps security posture analysis.
  2. Enable vulnerability alerts and protected pull-request remediation workflow with release gates or reviewed exceptions.
  3. Prefer secure environment or controlled secret inputs and avoid command-line or log exposure for sensitive values.
  4. Grant repo-specific outside collaborator permissions and review organization-level access periodically.

Explanation

Correct Answer

D:

External collaboration should use the smallest repository and permission scope required for the role. The most directly responsive design or operational step is: Grant repo-specific outside collaborator permissions and review organization-level access periodically. Confirm the result by: Verify access to the approved repository and denial to a second unrelated private repo.

Incorrect Answers

A:

Security posture views are incomplete when integration coverage excludes relevant source systems. The relevant control is to grant repo-specific outside collaborator permissions and review organization-level access periodically.

B:

Security alerts need accountable triage and enforcement before they reduce supply-chain risk. The needed step here is to grant repo-specific outside collaborator permissions and review organization-level access periodically.

C:

Secret masking in pipeline logs is not a complete defense against process or file-based leakage. The appropriate remedy is to grant repo-specific outside collaborator permissions and review organization-level access periodically.

Question 786

After the team applies this response: Grant repo-specific outside collaborator permissions and review organization-level access periodically. In the situation—A GitHub outside collaborator needs access to one repository but receives membership in an organization-wide write team. Which evidence BEST demonstrates the response is effective?

  1. Inspect sample findings across tools and confirm one tracked issue retains all relevant evidence links.
  2. Introduce a controlled vulnerable dependency and confirm a finding reaches an owner and blocks unsafe promotion.
  3. Verify staging role cannot access production resources and the build config contains no live secrets.
  4. Verify access to the approved repository and denial to a second unrelated private repo.

Explanation

Correct Answer

D:

The governing engineering principle is: External collaboration should use the smallest repository and permission scope required for the role.

Incorrect Answers

A:

Security automation should preserve provenance and reduce duplicate operational work without hiding distinct exposures. Instead, the response must verify access to the approved repository and denial to a second unrelated private repo.

B:

Security alerts need accountable triage and enforcement before they reduce supply-chain risk. The relevant control is to verify access to the approved repository and denial to a second unrelated private repo.

C:

Environment isolation includes credentials and data permissions as well as resource names. The needed step here is to verify access to the approved repository and denial to a second unrelated private repo.

Question 787

Another organization has a temporary external reviewer who should not inspect unrelated private repositories. Which engineering principle BEST explains the relevant requirement?

  1. A release gate must consider scan outcome and review status at decision time.
  2. External collaboration should use the smallest repository and permission scope required for the role.
  3. Secret location and secret authorization are separate; a known vault URI is not a credential.
  4. Final deployable images can contain risks not visible in the application source repository alone.

Explanation

Correct Answer

B:

The second engineering situation illustrates the control boundary captured by this principle: External collaboration should use the smallest repository and permission scope required for the role. The scenario is not resolved by an unrelated pipeline or policy activity.

Incorrect Answers

A:

A release gate must consider scan outcome and review status at decision time. That principle concerns automate security and compliance scanning, whereas this specific incident is governed by: External collaboration should use the smallest repository and permission scope required for the role.

C:

Secret location and secret authorization are separate; a known vault URI is not a credential. That principle concerns design and implement a strategy for managing sensitive information in automation, whereas this specific incident is governed by: External collaboration should use the smallest repository and permission scope required for the role.

D:

Final deployable images can contain risks not visible in the application source repository alone. That principle concerns automate security and compliance scanning, whereas this specific incident is governed by: External collaboration should use the smallest repository and permission scope required for the role.

Question 788

Another organization has a temporary external reviewer who should not inspect unrelated private repositories. Which unsupported assumption should the engineer challenge FIRST?

  1. Inviting someone to one repository does not justify exposing every private repository in the organization.
  2. Starting a scanner before deployment is not the same as waiting for its result before deployment.
  3. A dependency with no known CVE is not necessarily legally approved for redistribution.
  4. Having Contributor access to a resource group does not necessarily permit reading every Key Vault secret.

Explanation

Correct Answer

A:

Inviting someone to one repository does not justify exposing every private repository in the organization. This is the relevant unsupported assumption because external collaboration should use the smallest repository and permission scope required for the role.

Incorrect Answers

B:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Inviting someone to one repository does not justify exposing every private repository in the organization.

C:

This caution is valid in automate security and compliance scanning, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: Inviting someone to one repository does not justify exposing every private repository in the organization.

D:

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: Inviting someone to one repository does not justify exposing every private repository in the organization.

Question 789

A service connection with subscription-wide Contributor rights is reused by pipelines maintained by several independent teams. Which design or operational change MOST directly satisfies the requirement?

  1. Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines.
  2. Establish a reviewed baseline and gate new or regressed findings while separately tracking existing remediation.
  3. Automate software composition and license-policy evaluation for final package dependencies.
  4. Exclude deployment credentials from publishable packages and scan final artifacts for secret canaries.

Explanation

Correct Answer

A:

Service connection use and Azure RBAC scope jointly define automation access boundaries. The most directly responsive design or operational step is: Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines. Confirm the result by: Run allowed deployment operations and deliberately attempt unauthorized subscription-wide changes.

Incorrect Answers

B:

Incremental security gates must distinguish known accepted debt from newly introduced exposures. The appropriate comparison is: Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines.

C:

Software supply-chain compliance encompasses licensing obligations in addition to vulnerability severity. The relevant evidence instead is: Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines.

D:

Sensitive information must remain outside redistributable build outputs even when securely retrieved earlier. The acceptance criterion here is: Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines.

Question 790

After the team applies this response: Scope service connections and Entra RBAC to specific environments or resource groups and authorize only intended pipelines. In the situation—A service connection with subscription-wide Contributor rights is reused by pipelines maintained by several independent teams. Which evidence BEST demonstrates the response is effective?

  1. Run a deliberately failing scanner fixture and confirm downstream production deployment never begins.
  2. Run allowed deployment operations and deliberately attempt unauthorized subscription-wide changes.
  3. Inspect recent default-branch and PR scan results with source revisions and analyzer coverage.
  4. Attempt to bypass the scanner through an ordinary code PR and verify protections reject the change.

Explanation

Correct Answer

B:

The governing engineering principle is: Service connection use and Azure RBAC scope jointly define automation access boundaries.

Incorrect Answers

A:

A release gate must consider scan outcome and review status at decision time. The appropriate remedy is to run allowed deployment operations and deliberately attempt unauthorized subscription-wide changes.

C:

Security scanning needs both change-based detection and recurring visibility into current deployed source. Instead, the response must run allowed deployment operations and deliberately attempt unauthorized subscription-wide changes.

D:

Security gates are trustworthy only when the subjects they control cannot silently disable them. The relevant control is to run allowed deployment operations and deliberately attempt unauthorized subscription-wide changes.


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