Free CISSP Identity & Access Management (IAM) Practice Test 2026 — Certified Information Systems Security Professional Questions

This free CISSP Identity & Access Management (IAM) practice test covers Domain 5 — identity and access management, covering authentication, federation (SAML/OAuth/OIDC), access control models, Kerberos, and PAM. Each question includes a detailed explanation grounded in the official ISC2 CBK — perfect for CISSP exam prep.

Key Topics in CISSP Identity & Access Management (IAM)

6 Free CISSP Identity & Access Management (IAM) Practice Questions with Answers

Sample Question 1 — Identity and Access Management

Your organization is undergoing a merger. Both companies utilize different IAM systems. Which approach best mitigates risk during the integration process?

  1. A. Immediately migrate all users to the larger company's IAM system.
  2. B. Maintain separate IAM systems until a comprehensive, unified system is implemented.
  3. C. Prioritize migrating critical systems and users first, implementing a phased approach.
  4. D. Employ a single sign-on (SSO) solution bridging both systems temporarily until a new system is deployed. (Correct answer)

Correct answer: D

Explanation: In the context of a merger and acquisition (M&A), the primary risk during the integration of disparate Identity and Access Management (IAM) systems is business disruption and security gaps (unauthorized access or orphaned accounts). Industry best practices and IT security frameworks (such as those found in Security+ and CISSP curricula) emphasize that Identity Federation or an SSO bridge is the most effective way to mitigate these risks. This approach allows for immediate interoperability and centralized visibility ('Day 1' access) without the high-risk, time-consuming process of a full data migration. While a phased migration (Option C) is a sound long-term strategy for consolidation, an SSO bridge (Option D) provides the safest and most effective risk mitigation during the actual integration process by providing a unified access layer while maintaining the integrity of the existing underlying systems.

Sample Question 2 — Identity and Access Management

A recent security audit revealed weak password policies across the organization. What's the BEST first step to improve security?

  1. A. Immediately enforce a complex password policy with a forced reset for all users.
  2. B. Implement multi-factor authentication (MFA) across all systems. (Correct answer)
  3. C. Conduct user awareness training on password security best practices.
  4. D. Deploy a password management tool for all users.

Correct answer: B

Explanation: The best first step is to implement multi-factor authentication (MFA), since it adds a strong second layer of defense even if passwords are weak or stolen. While stronger password policies, training, and password managers help, MFA most effectively reduces the risk of account compromise right away.

Sample Question 3 — Identity and Access Management

Your company is implementing a zero trust architecture. Which IAM principle is MOST critical to this implementation?

  1. A. Least privilege.
  2. B. Role-based access control (RBAC).
  3. C. Attribute-based access control (ABAC).
  4. D. Continuous authentication and authorization. (Correct answer)

Correct answer: D

Explanation: Zero trust necessitates continuous verification of user identity and permissions, regardless of network location. While A, B, and C are all relevant to zero trust, continuous authentication is the cornerstone.

Sample Question 4 — Identity and Access Management

You need to comply with GDPR regulations regarding personal data. What is the most crucial IAM component to ensure compliance?

  1. A. Robust password management.
  2. B. Strong access controls and data minimization. (Correct answer)
  3. C. Regular security awareness training.
  4. D. Comprehensive audit logging.

Correct answer: B

Explanation: GDPR emphasizes data minimization and access control to protect personal data. While the other options are important for overall security, they are not the primary focus for GDPR compliance.

Sample Question 5 — Identity and Access Management

Your organization experiences a significant data breach linked to compromised user credentials. What is the MOST effective long-term preventative measure?

  1. A. Implement stronger password policies.
  2. B. Conduct more frequent security awareness training.
  3. C. Deploy multi-factor authentication (MFA). (Correct answer)
  4. D. Increase the frequency of vulnerability scanning.

Correct answer: C

Explanation: MFA significantly reduces the risk of credential-based breaches, even if passwords are compromised. While the other options help, MFA offers the strongest protection against credential theft.

Sample Question 6 — Identity and Access Management

A new cloud application requires integration with your existing on-premises IAM system. What is the best approach to ensure secure access?

  1. A. Grant all users access to the cloud application.
  2. B. Create a new IAM system solely for the cloud application.
  3. C. Utilize a cloud-based IAM system that integrates with the on-premises system.
  4. D. Use federation to connect the on-premises IAM system to the cloud application. (Correct answer)

Correct answer: D

Explanation: Federation allows secure and controlled access to the cloud application using your existing IAM system, avoiding the need to create separate accounts and credentials. Options A & B are inefficient and create security risks, while C may not be compatible with all systems.

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