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Exam KCNA topic 1 question 134 discussion

Actual exam question from Linux Foundation's KCNA
Question #: 134
Topic #: 1
[All KCNA Questions]

What is a Service?

  • A. A static network mapping from a Pod to a port.
  • B. A way to expose an application running on a set of Pods.
  • C. The network configuration for a group of Pods.
  • D. An NGINX load balancer that gets deployed for an application.
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Suggested Answer: B 🗳️

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shahy0
6 days, 20 hours ago
Selected Answer: B
In Kubernetes, a Service is an abstraction that defines a logical set of Pods and a policy by which to access them. Services provide a stable endpoint (IP address and DNS name) to access a group of Pods, even as the underlying Pods are created, destroyed, or rescheduled. This abstraction allows for reliable communication between different parts of an application or between applications.
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