Certified Kubernetes Administrator (CKA)
Domain 5Objective 6
Understand and Use CoreDNS CKA Practice Questions (Page 3)
Part of the Servicing and Networking domain, which accounts for 20% of the CKA exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 2–3 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)
22questions here
5free pages
6concepts
20%of the exam
Questions 11–15
- 11
What is the fully qualified domain name (FQDN) for a Service named 'web' in the 'default' namespace?
Select an answer first - 12
A Pod cannot resolve a Service name. Which of the following is a common first step to diagnose the issue?
Select an answer first - 13
A pod in the 'default' namespace needs to resolve a headless service named 'database' in the 'data' namespace. The service has three pods with hostnames 'db-0', 'db-1', and 'db-2'. What DNS query will return the IP addresses of all three pods?
Select an answer first - 14
An administrator needs to add a static DNS entry for 'internal.tools' that points to 192.168.1.50. This entry should be resolvable by all pods in the cluster. What is the recommended way to achieve this in CoreDNS?
Select an answer first - 15
When a Pod in the 'prod' namespace queries for 'db', which DNS name will resolve to the 'db' Service in the same namespace?
Select an answer first
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