What is the purpose of the 'promotion test window' and when is it typically administered?

What is the purpose of the 'promotion test window' and when is it typically administered?

• A. The test window provides the period during which eligible airmen take the knowledge test to compete for promotion; administered periodically as part of the cycle.
• B. It is the time when EPRs are submitted.
• C. It is a time when decorations are awarded.
• D. It is optional and random.

Answer: (A)