フリー問題

問題文

A second expansion shelf is being cabled into an array that already has one. The engineer has to say what the new shelf has to be given before the array will take it in, and where writes land once the add has finished. Which pair states those two points?

選択肢

1. The array is taking one more shelf in, so the added shelf needs the unique positioning and the enlarged pool takes the fresh relocation in that configuration.
2. The array is taking one more shelf in, so the added shelf needs the unique positioning and the enlarged pool takes the fresh writing in that configuration.
3. The array is taking one more shelf in, so the added shelf needs the unique numbering and the enlarged pool takes the fresh writing in that configuration.
4. The array is taking one more shelf in, so the added shelf needs the unique numbering and the enlarged pool takes the fresh relocation in that configuration.