- A
Mount the host filesystem as read-write in containers
Why wrong: Read-write host mounts can lead to container escape.
- B
Enable AppArmor or SELinux profiles
These MAC systems enforce security policies on containers.
- C
Drop all unnecessary Linux capabilities
Removing capabilities reduces potential privilege escalation.
- D
Apply Seccomp profiles to restrict system calls
Seccomp limits the syscalls available to containers, reducing attack surface.
- E
Use privileged containers for system daemons
Why wrong: Privileged containers increase risk; they should be avoided.
Question 510 of 1,000
mediumMultiple SelectObjective-mapped
CCSP Practice Question: A security team is hardening a Kubernetes cluster…
This CCSP practice question tests your understanding of ccsp exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A security team is hardening a Kubernetes cluster for production workloads. Which THREE measures should they implement to improve runtime container security?
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
✓
Enable AppArmor or SELinux profiles
AppArmor and SELinux are Linux Security Modules (LSMs) that enforce mandatory access control (MAC) policies on containers. By applying these profiles, you restrict what processes inside a container can do—such as file access, network operations, and capability use—beyond the default discretionary access controls. This significantly reduces the attack surface and limits the impact of a container breakout.
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.
- ✗
Mount the host filesystem as read-write in containers
Why it's wrong here
Read-write host mounts can lead to container escape.
- ✓
Enable AppArmor or SELinux profiles
Why this is correct
These MAC systems enforce security policies on containers.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Drop all unnecessary Linux capabilities
Why this is correct
Removing capabilities reduces potential privilege escalation.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Apply Seccomp profiles to restrict system calls
Why this is correct
Seccomp limits the syscalls available to containers, reducing attack surface.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use privileged containers for system daemons
Why it's wrong here
Privileged containers increase risk; they should be avoided.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between runtime security measures (like AppArmor, Seccomp, and capability dropping) versus build-time or network-level controls, and candidates may confuse privileged containers with necessary system daemons, forgetting that privileged mode bypasses all runtime security layers.
Detailed technical explanation
How to think about this question
AppArmor uses path-based profiles and is typically easier to configure, while SELinux uses label-based policies and offers finer-grained control. Both can be applied via Kubernetes Pod Security Standards or custom profiles, and they work at the kernel level to intercept syscalls. A real-world scenario: a compromised container with an AppArmor profile denying write access to /proc prevents kernel parameter tampering that could lead to host takeover.
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 SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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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FAQ
Questions learners often ask
What does this CCSP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Enable AppArmor or SELinux profiles — AppArmor and SELinux are Linux Security Modules (LSMs) that enforce mandatory access control (MAC) policies on containers. By applying these profiles, you restrict what processes inside a container can do—such as file access, network operations, and capability use—beyond the default discretionary access controls. This significantly reduces the attack surface and limits the impact of a container breakout.
What should I do if I get this CCSP 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.
About these practice questions
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Last reviewed: Jul 4, 2026
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.
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