An OLTP database ensuring that no transactions are finalized until all connected systems have synchronized is employing what function?

A.
Two-phase commit

B.
Query processing

C.
Isolation

D.
Redundancy/checksum

Explanation:
One of OLTPs security controls is utilizing a two-phase commitfunction, which guarantees that no transaction is finalized until all systems anddatabases involved in the transaction are fully synchronized.