When using this type of protocol, each transaction must obtain a ___ on the data before it can read or write it

1. When using this type of protocol, each transaction must obtain a ___ on the data before it can read or write it.

  1. Lock
  2. Protocol
  3. Base
  4. Transaction

Answer: A) Lock

Explanation:

When using this type of protocol, each transaction must obtain a lock on the data before it can read or write it.

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