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All the transactions obtain a lock on the data before ___ it with simplistic lock-based protocols

11. All the transactions obtain a lock on the data before ___ it with simplistic lock-based protocols.

1. Modifying
2. Deleting
3. Inserting
4. All of the above

Answer: D) All of the above

Explanation:

All the transactions obtain a lock on the data before modifying, deleting, or inserting it with simplistic lock-based protocols.