Network Defense Essentials (NDE) Practice Exam

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What is the main benefit of using the self-healing feature in Kubernetes?

Improves user traffic handling
Automatically responds to container failures
Reduces cloud costs
Enhances continuous delivery

The correct answer is: Automatically responds to container failures

The self-healing feature in Kubernetes is designed to enhance the resilience and reliability of applications running in containerized environments. This capability allows the system to automatically detect when a container has failed or is not operating as expected, and subsequently take corrective actions such as restarting the container, rescheduling it on a different node, or replacing it altogether. This automatic response to container failures ensures that applications maintain their availability and performance without requiring manual intervention from administrators. By continuously monitoring the health of the containers and taking action when issues arise, Kubernetes helps to ensure that the desired state of the application is always achieved, thereby providing a robust system architecture that can withstand unforeseen disruptions. Other options may present benefits relevant to Kubernetes, but the primary focus of the self-healing feature is its ability to address and rectify issues with containerized applications automatically, ensuring optimal functionality and availability.