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CKA study material · question 279 of 1000

How does Kubernetes avoid making applications coordinate host port numbers?

  1. By giving every Pod its own address
  2. By requiring every application to read a port flag
  3. By allocating ports dynamically at runtime
  4. By assigning each namespace a port range
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Answer: A. By giving every Pod its own address

Each Pod gets its own address rather than sharing a node's port space, which removes the coordination problem.

Source: Cluster Networking (Kubernetes) — Cluster Networking

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