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Which of the following is the correct CoreDNS ConfigMap key that defines the DNS server block?

easy📝 Syntax Q3 of 15
Kubernetes - Networking
Which of the following is the correct CoreDNS ConfigMap key that defines the DNS server block?
ACorefile
BCoreFile
Ccorefile
DcoreFile
Step-by-Step Solution
Solution:

  1. Step 1: Recall the exact key name in CoreDNS ConfigMap

    The key that holds the CoreDNS configuration is named Corefile with uppercase C and lowercase f.

  2. Step 2: Verify case sensitivity

    Kubernetes ConfigMap keys are case sensitive, so only Corefile is correct.

  3. Final Answer:

    Corefile -> Option A

  4. Quick Check:

    CoreDNS config key = Corefile [OK]
Quick Trick: CoreDNS config key is 'Corefile' with uppercase C [OK]
Common Mistakes:
  • Using lowercase 'corefile' instead of 'Corefile'
  • Mixing uppercase and lowercase incorrectly
  • Assuming key is 'coreFile' or 'CoreFile'

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