Run kubectl create or kubectl apply with the manifest file against the cluster API and Place the pod manifest into the kubelet static manifest directory at /etc/kubernetes/manifests are correct.

Run kubectl create or kubectl apply with the manifest file against the cluster API is correct because kubectl sends the manifest to the API server which validates and persists the object to the cluster datastore and then controllers and the scheduler ensure the pod is scheduled and the kubelet on a worker node starts the containers.

Place the pod manifest into the kubelet static manifest directory at /etc/kubernetes/manifests is correct because the kubelet watches that directory and will create and manage a static pod from the file on that node without first submitting it through the normal API create path.

Copy the manifest into the kube scheduler configuration folder is wrong because the kube-scheduler only makes scheduling decisions and does not create pods from manifest files placed in its config folder.

Write the manifest directly into the etcd datastore so the API server will pick it up is wrong because etcd is the cluster backing store and you must use the API server to create objects. Directly modifying etcd is unsupported and can break validation and cluster integrity.

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