Your engineers need to pass database credentials to a Kubernetes Pod. The YAML they'reusing looks similar to the following: What is Google's recommended best pr...

Your engineers need to pass database credentials to a Kubernetes Pod. The YAML they'reusing looks similar to the following:
What is Google's recommended best practice for working with sensitive information inside of Kubernetes?

A. Store the credentials in a ConfigMap B. Mount the credentials in a volume. C. Use an environment variable. D. Store the credentials in a Secret.