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Free Lock Based Protocols Study App Download: "A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called"; MCQ with answers: lock-point two-phase locking protocol, deadlock two-phase locking protocol, strict two-phase locking protocol, and rigorous two-phase locking protocol. Practice Lock Based Protocols Quiz Questions, download Google e-Book (Free Chapter) to engage database students.

Lock Based Protocols MCQs PDF Download – Prep Test

MCQ 1: A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called:

  1. Lock-point two-phase locking protocol
  2. Deadlock two-phase locking protocol
  3. Strict two-phase locking protocol
  4. Rigorous two-phase locking protocol

MCQ 2: Cascading rollbacks can be avoided by:

  1. Strict two-phase locking protocol
  2. Rigorous two-phase locking protocol
  3. Deadlock two-phase locking protocol
  4. Lock-point two-phase locking protocol

MCQ 3: A process known to receive messages from transactions and in response send messages, is:

  1. Recovery manager
  2. Lock manager
  3. Process manager
  4. Database administrator

MCQ 4: The two modes of locking a data item, are termed as 'shared' and:

  1. Composite
  2. Compatible
  3. Exclusive
  4. Linear

MCQ 5: Two-phase locking does not ensure freedom from:

  1. Obtain locks
  2. Release locks
  3. New locks
  4. Deadlocks

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