KCNA Question #142: Real Exam Question with Answer & Explanation

The correct answer is D: default. When a pod does not explicitly specify a service account, Kubernetes automatically mounts the 'default' service account (D) from the same namespace. Every namespace has a 'default' service account created automatically. Options A (admin), B (sysadmin), and C (root) are not automa

Submitted by yuriko_h· May 4, 2026Kubernetes Fundamentals

Question

What service account does a Pod use in a given namespace when the service account is not specified?

Options

Aadmin
Bsysadmin
Croot
Ddefault

Explanation

When a pod does not explicitly specify a service account, Kubernetes automatically mounts the 'default' service account (D) from the same namespace. Every namespace has a 'default' service account created automatically. Options A (admin), B (sysadmin), and C (root) are not automatically created service accounts in Kubernetes namespaces and do not represent any default behavior.

Topics

#Pods#Service Accounts#Namespaces#Default behavior

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