フリー問題

問題文

An export from the maintenance system is a flat text file whose first line names the columns and whose address column contains commas. Which pair separates what the header row does from what the quoted cell does?

選択肢

1. The flat file gives no room for types, so the header row translates the column names and the quoted cell protects the inner comma in that serialization contract.
2. The flat file gives no room for types, so the header row conveys the column names and the quoted cell creates the inner comma in that serialization contract.
3. The flat file gives no room for types, so the header row conveys the column names and the quoted cell protects the inner comma in that serialization contract.
4. The flat file gives no room for types, so the header row translates the column names and the quoted cell creates the inner comma in that serialization contract.