フリー問題

問題文

A design review asks what the witness host of a stretched cluster actually stores. Which statement is correct?

選択肢

1. The witness sits in a third site and holds the witness components and the data it keeps is limited to the size and identifier of an object
2. The witness sits in a third site and holds the witness components and the data it keeps is limited to the swap and checksum of an object
3. The witness sits in a third site and holds the duplicated replicas and the data it keeps is limited to the swap and checksum of an object
4. The witness sits in a third site and holds the duplicated replicas and the data it keeps is limited to the size and identifier of an object