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Which of the following is a type of Lock Protocol?

10. Which of the following is a type of Lock Protocol?

1. Simplistic Lock Protocol
2. Pre-claiming Lock Protocol
3. Two-phase locking
4. All of the above

Answer: D) All of the above

Explanation:

The types of lock protocols are -

1. Simplistic Lock Protocol
2. Pre-claiming Lock Protocol
3. Two-phase locking
4. Strict Two-phase locking