CKS Monitoring, Logging and Runtime Security Practice Question
This CKS practice question tests your understanding of monitoring, logging and runtime security. 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.
You need to configure audit logging for the Kubernetes API server to log all requests at the Metadata level. Which flag and value should you set in the kube-apiserver configuration?
The --audit-policy-file flag points to a YAML file defining the audit policy. The policy file sets the level (Metadata) and stages. The other options are incorrect: --audit-log-path sets the log file, --audit-log-format sets the format, and --audit-webhook-config is for webhook backend.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
This configures a webhook audit backend, not the policy file.
✗
--audit-log-path=/var/log/audit.log
Why it's wrong here
This sets the path for audit log output, not the policy.
✗
--audit-log-format=json
Why it's wrong here
This sets the log format, not the policy or level.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
This sets the path for audit log output, not the policy.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CKS question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CKS NAT questions on configuration and troubleshooting.
Monitoring, Logging and Runtime Security — This question tests Monitoring, Logging and Runtime Security — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: --audit-policy-file=/etc/kubernetes/audit-policy.yaml — The --audit-policy-file flag points to a YAML file defining the audit policy. The policy file sets the level (Metadata) and stages. The other options are incorrect: --audit-log-path sets the log file, --audit-log-format sets the format, and --audit-webhook-config is for webhook backend.
What should I do if I get this CKS question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CKS NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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