フリー問題

問題文

A shell script runs the same three health checks for every host, and the blocks differ only in the host name. Which change keeps the logic in one place?

選択肢

1. Move the repeated checks into a copied code block and take the host name from the script filename on each call.
2. Move the repeated checks into a single callable function and take the host name from the inventory listing on each call.
3. Move the repeated checks into a single callable function and take the host name from the script filename on each call.
4. Move the repeated checks into a copied code block and take the host name from the inventory listing on each call.