フリー問題

問題文

A batch job that runs on the database host connects to an account that was created with the EXTERNALLY clause instead of a password. Which statement describes what the database relies on when that job connects?

選択肢

1. The database reads a certificate from the wallet that the resource profile names.
2. The database compares a hash held in the password file against the credential that the process supplies.
3. The database accepts the operating system account name that the host has already authenticated for the process.
4. The database asks the listener to confirm that the process runs under a privileged group.