フリー問題

問題文

A support engineer wants a quick way to tell whether a log line follows the 9.0 standard and which component wrote it. Which statement describes what to look for?

選択肢

1. The message header carries an identifier with a random number after the sign and the text before that sign names the release that produced the line.
2. The structured data carries an identifier with a fixed number after the sign and the text before that sign names the component that wrote the line.
3. The message header carries an identifier with a fixed integer after the sign and the text before that sign names the component that produced the line.
4. The free text carries an identifier with a random number after the sign and the text before that sign names the component that wrote the line.