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| Certification Vendor: | Linux Foundation |
|---|---|
| Exam Name: | Kubernetes and Cloud Native Associate (KCNA) Exam |
| Exam Number: | KCNA |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Multiple choice, Online proctored exam, Multiple select |
| Exam Price: | $250 USD |
| Real Exam Qty: | Approximately 60 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 75% |
| Related Certifications: | Certified Kubernetes Security Specialist (CKS) Certified Kubernetes Application Developer (CKAD) Certified Kubernetes Administrator (CKA) |
| Recommended Training: | Introduction to Kubernetes (LFS158) Cloud Native Fundamentals / KCNA Preparation courses |
| Exam Registration: | Linux Foundation Certification Portal KCNA Exam Page |
| Sample Questions: | Linux Foundation KCNA Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | No formal prerequisites; basic understanding of cloud, containers, and Kubernetes concepts is recommended |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/kubernetes-cloud-native-associate-kcna/ |
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The KCNA certification exam is an online, proctored exam that can be taken from anywhere in the world. It is a timed exam that lasts for 2 hours, and individuals must score at least 66% to pass. KCNA Exam consists of 50 multiple-choice questions that are designed to test an individual's understanding of Kubernetes and cloud-native technologies.
NEW QUESTION # 114
Which resource do you use to attach a volume in a Pod?
Answer: C
NEW QUESTION # 115
You have a Kubernetes cluster with a pod that uses a resource limit of 100m CPU. What happens if the pod requests more CPU resources than the limit?
Answer: D
Explanation:
The pod will be throttled and its performance will be impacted. The CPIJ limit acts as a hard ceiling, preventing the pod from consuming more resources than specified. Even if the pod requests more CPU, it will be constrained to the limit, leading to performance degradation. The pod will not be killed, restarted, or automatically scaled down. It will continue to run, but its performance will be affected due to the resource constraint.
NEW QUESTION # 116
What is the Kubernetes object used for running a recurring workload?
Answer: D
Explanation:
A recurring workload in Kubernetes is implemented with a CronJob, so the correct choice is D. A CronJob is a controller that creates Jobs on a schedule defined in standard cron format (minute, hour, day of month, month, day of week). This makes CronJobs ideal for periodic tasks like backups, report generation, log rotation, and cleanup tasks.
A Job (option A) is run-to-completion but is typically a one-time execution; it ensures that a specified number of Pods successfully terminate. You can use a Job repeatedly, but something else must create it each time-CronJob is that built-in scheduler. Option B ("Batch") is not a standard workload resource type (batch is an API group, not the object name used here). Option C (DaemonSet) ensures one Pod runs on every node (or selected nodes), which is not "recurring," it's "always present per node." CronJobs include operational controls that matter in real clusters. For example, concurrencyPolicy controls what happens if a scheduled run overlaps with a previous run (Allow, Forbid, Replace).
startingDeadlineSeconds can handle missed schedules (e.g., if the controller was down). History limits (successfulJobsHistoryLimit, failedJobsHistoryLimit) help manage cleanup and troubleshooting. Each scheduled execution results in a Job with its own Pods, which can be inspected with kubectl get jobs and kubectl logs.
So the correct Kubernetes object for a recurring workload is CronJob (D): it provides native scheduling and creates Jobs automatically according to the defined cadence.
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NEW QUESTION # 117
What is the use of labels in Kubernetes?
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
NEW QUESTION # 118
Which of the following are not the metrics for Site Reliability Engineering?
Answer: A
Explanation:
SLI defined quantitative measure of some aspect of the level of service that is provided.
SLOs are key to making data-driven decisions about reliability, they're at the core of SRE practic-es.
SLAs an explicit or implicit contract with your users that includes consequences of meeting (or missing) the SLOs they contain.
NEW QUESTION # 119
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