Hash Partitiion, was it introduced in oracle 8i or 9i ... practice question picks 9i?
Hash partitioning was introduced in 8i.
List Partitioning was introduced in 9i
Basically, this is the “no data divergence” mode, and is therefore the strictest mode in which to operate Data Guard. It, of course, guarantees that the Standby is able to be brought into complete synchronism with the primary database, and therefore also implies that in the event of the primary database dying, there is absolutely no data loss.