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Linux-Foundation Discussions

Exam KCNA topic 1 question 39 discussion

Actual exam question from Linux Foundation's KCNA
Question #: 39
Topic #: 1
[All KCNA Questions]

What is the main role of the Kubernetes DNS within a cluster?

  • A. Acts as a DNS server for virtual machines that are running outside the cluster.
  • B. Provides a DNS as a Service, allowing users to create zones and registries for domains that they own.
  • C. Allows Pods running in dual stack to convert IPv6 calls into IPv4 calls.
  • D. Provides consistent DNS Names for Pods and Services for workloads that need to communicate with each other.
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Suggested Answer: D 🗳️
by phcunha at March 22, 2024, 8:07 a.m.

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phcunha
1 month, 1 week ago
Think of Kubernetes DNS as the address book in a large office building. Just as the address book provides a consistent reference for finding the location of different departments or individuals within the building, Kubernetes DNS provides consistent DNS names for Pods and Services, allowing workloads within the cluster to discover and communicate with each other efficiently, regardless of their dynamic IP addresses or locations.
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