What service account does a Pod use in a given namespace when the service account is not specified?
A
admin
B
sysadmin
C
root
D
default
Correcto
Explicación Oficial / Explicaciones de la Comunidad
In Kubernetes, when a Pod is created without explicitly specifying a service account, it automatically uses the default service account in the same namespace. This is a built-in behavior: every namespace has a default service account that is automatically created by the API server. The Pod's service account token is mounted as a volume, allowing the Pod to authenticate with the Kubernetes API server. The admin, sysadmin, and root options are not standard Kubernetes service accounts; they do not exist by default and would need to be created manually. Therefore, the correct answer is default.
