[Solved] Given the commands below, what will happen if the deployment myapp already exists?kubectl create deployment myapp --image=nginxkubectl apply -f deployment.yaml | Kubernetes

Kubernetes - kubectl Essential Commands

Given the commands below, what will happen if the deployment myapp already exists?

kubectl create deployment myapp --image=nginx
kubectl apply -f deployment.yaml

ABoth commands will fail because the deployment exists.

BBoth commands will update the deployment.

CThe create command will update; the apply command will fail.

DThe create command will fail; the apply command will update the deployment.

Step-by-Step Solution

Solution:

Step 1: Behavior of kubectl create on existing resource
kubectl create fails if the resource already exists, so the first command will fail.
Step 2: Behavior of kubectl apply on existing resource
kubectl apply updates the existing resource safely, so the second command updates the deployment.
Final Answer:
The create command will fail; the apply command will update the deployment. -> Option D
Quick Check:
create fails if exists; apply updates [OK]

Quick Trick: Create fails if exists; apply updates existing resources [OK]

Common Mistakes:

Assuming create updates existing resources
Thinking apply fails if resource exists
Believing both commands behave the same

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More Kubernetes Quizzes

Given the commands below, what will happen if the deployment myapp already exists?

Step 1: Behavior of `kubectl create` on existing resource

Step 2: Behavior of `kubectl apply` on existing resource

Final Answer:

Quick Check:

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