Question 224 of 997
Reducing etcd Write Load from Audit Logging
This CKS practice question tests your understanding of monitoring, logging and runtime security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 cluster has audit logging enabled with a policy that sets 'RequestResponse' level for all resources. The cluster is experiencing high etcd write load. Which change would reduce the load MOST effectively?
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 the policy level to 'Metadata' for high-volume resources
Option A is correct because changing the audit policy level to 'Metadata' for high-volume resources reduces the amount of data written to the audit log and subsequently to etcd. 'RequestResponse' logs the full request and response body, which is the most verbose level and generates the most data. 'Metadata' logs only request metadata (user, timestamp, resource, verb) without the body, significantly reducing the log volume and thus the etcd write load.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Kubernetes often tests the misconception that changing the audit log backend (e.g., to webhook) reduces etcd write load, but the backend only affects where the logs are sent, not the volume of data stored in etcd.
Detailed technical explanation
How to think about this question
The Kubernetes audit policy supports four levels: None, Metadata, Request, and RequestResponse. 'Metadata' logs only the request metadata (e.g., user, timestamp, resource, verb, object reference) without the request or response body, making it ideal for high-volume resources like pods or events. In a real-world scenario, setting 'RequestResponse' for all resources can cause etcd to become a bottleneck due to excessive write I/O, especially in clusters with frequent API calls. The audit log is stored in etcd as part of the cluster state, so reducing the log verbosity directly reduces etcd write load.
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 practitioner preparing for the CKS exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Questions learners often ask
What does this CKS question test?
Monitoring, Logging and Runtime Security — This question tests Monitoring, Logging and Runtime Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change the policy level to 'Metadata' for high-volume resources — Option A is correct because changing the audit policy level to 'Metadata' for high-volume resources reduces the amount of data written to the audit log and subsequently to etcd. 'RequestResponse' logs the full request and response body, which is the most verbose level and generates the most data. 'Metadata' logs only request metadata (user, timestamp, resource, verb) without the body, significantly reducing the log volume and thus the etcd write load.
What should I do if I get this CKS 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 CKS practice question is part of Courseiva's free CNCF 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 CKS exam.
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