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You want to expose multiple services on the same node using NodePort. What must you ensure to avoid conflicts?

hard📝 Workflow Q8 of 15
Kubernetes - Services
You want to expose multiple services on the same node using NodePort. What must you ensure to avoid conflicts?
AEach service uses a unique nodePort within the valid range
BAll services share the same nodePort for load balancing
CUse the same port and targetPort but different service names
DSet service type to ClusterIP for all services
Step-by-Step Solution
Solution:

  1. Step 1: Understand NodePort port uniqueness

    NodePort must be unique per service to avoid port conflicts on nodes.

  2. Step 2: Evaluate options

    Sharing nodePort causes conflicts; same port with different names doesn't avoid conflicts; ClusterIP is internal only.

  3. Final Answer:

    Each service uses a unique nodePort within the valid range -> Option A

  4. Quick Check:

    Unique nodePort per service avoids conflicts [OK]
Quick Trick: Assign unique nodePort to each service to prevent clashes [OK]
Common Mistakes:
  • Using same nodePort for multiple services
  • Confusing service name uniqueness with port uniqueness
  • Switching to ClusterIP expecting external access

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