フリー問題

問題文

A team new to TimeFinder SnapVX is told that a snapshot can be taken without creating a target device first. Which pair states what such a snapshot consumes and what happens to the source device while it exists?

選択肢

1. The local copy needs no device of its own, so the taken image grows with the written difference and the source volume serves the running secondary in that configuration.
2. The local copy needs no device of its own, so the taken image grows with the written partition and the source volume serves the running secondary in that configuration.
3. The local copy needs no device of its own, so the taken image grows with the written partition and the source volume serves the running transactions in that configuration.
4. The local copy needs no device of its own, so the taken image grows with the written difference and the source volume serves the running transactions in that configuration.