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    All objects are restricted to a single namespace. True or False?

    Posts: 18
    in LFS258 Class Forum

    Can someone ellaborate on this? I think every object must be in a single namespace (default or any other) and cannot be in two namespaces at the same time. Is there an exception for this?

    Best Answer

    • Posts: 2,434
      Answer ✓

      Hi @ilmx,

      The exception is/are the non-namespaced objects, that live clusterwide - visible to all namespaces. For a list of all namespaced and clusterwide objects, run the following command:

      1. kubectl api-resources

      For additional output, try the command with the -o wide flag.

      Regards,
      -Chris

    Answers

    • Posts: 2

      There are cluster wide resources, aren't there?
      If some object is on namespace level then I haven't notice option to be multiple namespaces ;)
      ClusterRole would be one without namespace at all:
      https://kubernetes.io/docs/reference/access-authn-authz/rbac/
      I'm not native English, and my personal opinion is that such questions are hard to translate.
      I would go with False answer as zero is not "single". However if object has an namespace attribute, then it is single...

    • Posts: 18

      Thanks! I understand now.
      It is a tricky question. All objects are restricted to a single namespace EXCEPT those that cannot belong to a namespace. Clear now.

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