- A
Control ownership assignment
Why wrong: Ownership should be assigned before implementation, but during implementation, change management is key.
- B
User training
Why wrong: Important, but change management provides the overall framework including training.
- C
Change management
Change management ensures controlled implementation, reducing the risk of unintended consequences.
- D
Documentation update
Why wrong: Important but part of the broader change management process.
Question 649 of 1,000
CRISC Risk Response and Reporting Practice Question
This CRISC practice question tests your understanding of risk response and reporting. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization is implementing a new access control system. Which of the following is the MOST important consideration during the implementation phase?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change management
During the implementation phase of a new access control system, change management is the most critical consideration because it ensures that all changes to the authentication and authorization infrastructure are controlled, tested, and approved before deployment. Without a formal change management process, misconfigurations in protocols like LDAP, RADIUS, or SAML can lead to security gaps or service outages, making it the foundational control for a successful rollout.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Control ownership assignment
Why it's wrong here
Ownership should be assigned before implementation, but during implementation, change management is key.
- ✗
User training
Why it's wrong here
Important, but change management provides the overall framework including training.
- ✓
Change management
Why this is correct
Change management ensures controlled implementation, reducing the risk of unintended consequences.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Documentation update
Why it's wrong here
Important but part of the broader change management process.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'most important during implementation' with 'most important overall,' leading them to select user training or documentation, but CRISC emphasizes that uncontrolled changes introduce the highest risk of failure and security incidents during the deployment phase.
Detailed technical explanation
How to think about this question
Change management in this context involves using a formal process such as ITIL-based change advisory board (CAB) approvals, backout plans, and staged rollouts to prevent unauthorized or untested modifications to access control lists (ACLs), role-based access control (RBAC) mappings, or directory service configurations. For example, a misapplied change to an Active Directory group policy or a RADIUS server shared secret can lock out all users or expose sensitive resources, which is why change management is mandated by frameworks like NIST SP 800-53 (CM-3) and ISO 27001 (A.12.1.2).
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Risk Response and Reporting — study guide chapter
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FAQ
Questions learners often ask
What does this CRISC question test?
Risk Response and Reporting — This question tests Risk Response and Reporting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change management — During the implementation phase of a new access control system, change management is the most critical consideration because it ensures that all changes to the authentication and authorization infrastructure are controlled, tested, and approved before deployment. Without a formal change management process, misconfigurations in protocols like LDAP, RADIUS, or SAML can lead to security gaps or service outages, making it the foundational control for a successful rollout.
What should I do if I get this CRISC question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This CRISC practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CRISC exam.
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