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Quiz 2025 KCNA: Latest Kubernetes and Cloud Native Associate Exam Torrent

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Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is a highly sought-after certification for professionals working in the field of cloud computing. Kubernetes and Cloud Native Associate certification exam is designed to test the candidate’s knowledge and skills in Kubernetes and cloud-native technologies. KCNA Exam is conducted by the Linux Foundation, which is a non-profit organization that supports the development of open-source software.

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q48-Q53):

NEW QUESTION # 48
Which kubernetes resource type allows defining which pods are isolated when it comes to network-ing?

A. Domain Name System 'DNS'
B. Role Binding
C. Service
D. Network policy

Answer: D

Explanation:
https://kubernetes.io/docs/concepts/services-networking/network-policies/#the-two-sorts-of-pod-isolation

NEW QUESTION # 49
You are deploying a pod that requires access to a specific storage volume attached to a particular node. Which Kubernetes feature can you utilize to guarantee the pod is scheduled only on that specific node?

A. Pod anti-affinity
B. Pod affinity
C. Node anti-affinity
D. Taints and tolerations
E. Node affinity

Answer: D,E

Explanation:
You can achieve this by using either •nodeAffinity• or •taints and tolerationS: 'nodeAffinity•• Similar to the previous question, define 'requiredDuringSchedulinglgnoredDuringExecution• to enforce scheduling on the specific node. 'Taints and TolerationS: Apply a taint on the specific node that reflects the volume availability. Then, configure the pod to tolerate that specific taint, ensuring it can only be scheduled on the node with the matching taint. While •podAffinity• and •podAntiAffinity' are useful for grouping or distributing pods, they do not directly guarantee scheduling on a specific node based on volume availability.

NEW QUESTION # 50
You are running a microservices application in Kubernetes. Each microservice has its own Deployment and Service. You want to ensure that communication between these microservices is secure. Which Kubernetes feature would be most appropriate for this purpose?

A. PodSecurityPolicy
B. NetworkPolicy
C. Secret
D. Ingress
E. Service Account

Answer: B

Explanation:
NetworkPolicy is a Kubernetes feature that allows you to define network security rules for Pods. You can use NetworkPolicies to control which Pods can communicate with each other, as well as which external networks they can access. This helps you secure communication between microservices within your application, preventing unauthorized access.

NEW QUESTION # 51
Which statement is true about Pod Networking?

A. All containers in a pod share a single IP address
B. All containers in a pod get a unique IP address
C. All pod requires an external DNS server to get the hostname
D. All pod requires NAT to get a unique IP address.

Answer: A

Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking

NEW QUESTION # 52
You need to configure a HorizontalPodAutoscaler (HPA) to scale a deployment based on custom metrics. The metric data is being published by a Prometheus server. How can you integrate Prometheus with the HPA for custom metric scaling?

A. Use the '-metrics' flag in the Deployment YAML file to link the HPA to Prometheus metrics.
B. Create a Kubernetes Custom Resource Definition (CRD) to define the Prometheus metric.
C. Use a custom Kubernetes controller that connects the HPA to Prometheus.
D. Configure a Kubernetes Service to expose the Prometheus metrics to the HPA.
E. Use the '-metrics-sources flag for the HPA command to specify the Prometheus endpoint.

Answer: C

Explanation:
You need a custom controller to bridge the gap between the HPA and Prometheus. The controller will fetch metrics from Prometheus and provide them to the HPA. You can use the '-metrics' flag in the HPA YAML file to specify the custom metrics and their sources (including the Prometheus endpoint).

NEW QUESTION # 53
......

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