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LPI

305-300 · Question #7

Which of the following statements are true regarding a Pod in Kubernetes? (Choose two.)

The correct answer is A. All containers of a Pod run on the same node. C. A Pod is the smallest unit of workload Kubernetes can run. A Pod in Kubernetes is a collection of one or more containers that share the same network and storage resources, and a specification for how to run the containers. A Pod is the smallest unit of workload Kubernetes can run, meaning that it cannot be divided into smaller units…

303.4 Operations Security

Question

Which of the following statements are true regarding a Pod in Kubernetes? (Choose two.)

Options

  • AAll containers of a Pod run on the same node.
  • BPods are always created automatically and cannot be explicitly configured.
  • CA Pod is the smallest unit of workload Kubernetes can run.
  • DWhen a Pod fails, Kubernetes restarts the Pod on another node by default.
  • Esystemd is used to manage individual Pods on the Kubernetes nodes.

How the community answered

(26 responses)
  • A
    77% (20)
  • B
    4% (1)
  • D
    8% (2)
  • E
    12% (3)

Explanation

A Pod in Kubernetes is a collection of one or more containers that share the same network and storage resources, and a specification for how to run the containers. A Pod is the smallest unit of workload Kubernetes can run, meaning that it cannot be divided into smaller units. Therefore, option C is correct. All containers of a Pod run on the same node, which is the smallest unit of computing hardware in Kubernetes. A node is a physical or virtual machine that hosts one or more Pods. Therefore, option A is also correct. Pods are not always created automatically and cannot be explicitly configured. Pods can be created manually using YAML or JSON files, or using commands like kubectl run or kubectl create. Pods can also be created automatically by higher-level controllers, such as Deployment, ReplicaSet, or StatefulSet. Therefore, option B is incorrect. When a Pod fails, Kubernetes does not restart the Pod on another node by default. Pods are ephemeral by nature, meaning that they can be terminated or deleted at any time. If a Pod is managed by a controller, the controller will create a new Pod to replace the failed one, but it may not be on the same node. Therefore, option D is incorrect. systemd is not used to manage individual Pods on the Kubernetes nodes. systemd is a system and service manager for Linux operating systems that can start and stop services, such as docker or kubelet. However, systemd does not interact with Pods directly. Pods are managed by the kubelet service, which is an agent that runs on each node and communicates with the Kubernetes control plane. Therefore, option E

Topics

#Kubernetes#Pod#workload units#container scheduling

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