フリー問題

問題文

A vendor delivers the daily file as a compressed archive that is also encrypted. What has to happen before the import definition can read it?

選択肢

1. A data extract activity has to run first so that the file is converted and renamed at the location the import reads.
2. A verification activity has to run first so that the file is checked and approved at the location the import reads.
3. A query activity has to run first so that the file is parsed and loaded into the staging table the import reads.
4. A file transfer activity has to run first so that the file is decrypted and unpacked at the location the import reads.