FIRST-GRADE FREE KCNA PDF GUIDE–100% VALID KUBERNETES AND CLOUD NATIVE ASSOCIATE VALID EXAM VCE FREE

First-grade Free KCNA Pdf Guide–100% Valid Kubernetes and Cloud Native Associate Valid Exam Vce Free

First-grade Free KCNA Pdf Guide–100% Valid Kubernetes and Cloud Native Associate Valid Exam Vce Free

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q23-Q28):

NEW QUESTION # 23
What is scheduling in Kubernetes

  • A. Determining when to execute a cron-job
  • B. Assigning pods to nodes
  • C. Setting a time for automated tasks
  • D. Joining a new nodes to the clusters

Answer: B

Explanation:
https://kubernetes.io/docs/concepts/scheduling-eviction/


NEW QUESTION # 24
Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?

  • A. Deployment
  • B. Service Account
  • C. Role-based access control 'RBAC'

Answer: C

Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/


NEW QUESTION # 25
You are using Prometheus to monitor your Kubernetes cluster. You notice that several pods are
experiencing high memory usage. You want to investigate further to determine which containers within these pods are consuming the most memory. How can you effectively use Prometheus to identify these memory-intensive containers?

  • A. Use the 'kube_pod_container_status_memory_usage_bytes' metric to analyze the actual memory usage of each container.
  • B. Use the metric to identify the requested memory limits for each containa
  • C. Utilize the • metric to identify containers that are frequently restarting due to memory pressure.
  • D. Utilize the metric to identify pods that are not ready due to memory constraints.
  • E. Filter Prometheus queries by container name and sort by memory usage to pinpoint the memory-intensive containers.

Answer: A,E

Explanation:
Both options B and D provide effective solutions for identifying memory-intensive containers. Option B allows you to directly analyze the 'kube_pod_container_status_memory_usage_bytes• metric, which provides the actual memory usage of each container within the pod. Option D suggests filtering Prometheus queries by container name and sorting by memory usage, enabling you to easily pinpoint containers with the highest memory consumption. While option A provides information about requested memory limits, it doesn't directly reflect the actual memory usage. Options C and E are not directly relevant to identifying memory-intensive containers.


NEW QUESTION # 26
You are developing a microservices application with multiple pods communicating over a shared network. You need to implement a mechanism that ensures only authorized pods can access specific services within the network. What Kubernetes feature can help achieve this?

  • A. ServiceAccount
  • B. ResourceQuota
  • C. NetworkPolicy
  • D. LimitRange
  • E. PodSecurityPolicy

Answer: C

Explanation:
NetworkPolicy is designed for network traffic control within a Kubernetes cluster It allows you to define rules that control inbound and outbound traffic for pods based on their labels, namespaces, and other criteria. This enables you to enforce access restrictions between pods and services within your application's network. PodSecurityPolicy primarily restricts security settings for pods. ServiceAccount provides identity and credentials, and ResourceQuota and LimitRange manage resource usage.


NEW QUESTION # 27
Your Kubernetes cluster is running in a public cloud environment. You want to expose a specific service to the internet using a public IP address. Which Kubernetes service type would you choose?

  • A. ExternalName
  • B. NodePort
  • C. Headless
  • D. LoadBalancer
  • E. ClusterlP

Answer: D

Explanation:
The correct answer is 'LoadBalancer. When you create a Kubernetes Service of type 'LoadBalancer' in a public cloud environment, the cloud provider automatically provisions a public IP address and load balancer to route traffic to your service. This allows you to expose your service to the internet with a public endpoint. The other options are not suitable for this scenario: 'ClusterlP' creates an internal IP address within the cluster, 'NodePort' exposes the service on a specific port on the node's IP, 'ExternalName' acts as an alias for an external DNS name, and 'Headless' creates a service without a cluster IP.


NEW QUESTION # 28
......

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