フリー問題

問題文

An administrator has to compare the server parameter entries of a primary with those of a standby because a role change behaved unexpectedly. Two validation commands are considered. Which one reports that comparison?

選択肢

1. The validation aimed at the static identifier reports the entries that differ between the two members so the operator sees which settings drifted
2. The validation aimed at the network layer reports the entries that differ between the two members so the operator sees which settings drifted apart
3. The validation aimed at the whole database reports the entries that differ between the two members so the operator sees which settings drifted
4. The validation aimed at the parameter file reports the entries that differ between the two members so the operator sees which settings drifted apart