What is the difference between a component-level repair and a board-level repair?

Select one answer.

• Component-level removes and replaces the individual failed part; board-level replaces the whole board or module.
• They are two names for exactly the same thing.
• Component-level means using an iron and board-level means using hot air.
• Board-level means fixing one resistor and component-level means fixing the entire device including its case and screen.