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Learn Lock Based Protocols Multiple Choice Questions (MCQ Quiz) with Answers PDF (Lock Based Protocols MCQ PDF e-Book) download to study Database Systems Tests. Study Concurrency Control Multiple Choice Questions and Answers (MCQs), Lock Based Protocols quiz answers PDF to understand database architecture. Free Lock Based Protocols Study App: Download the Database Systems MCQ App to study concurrency in index structures, multiple granularity in dbms, deadlock handling test prep to understand database design.

Free "Lock Based Protocols Study" App Download with MCQ: A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called; with answers: lock-point two-phase locking protocol, deadlock two-phase locking protocol, strict two-phase locking protocol, and rigorous two-phase locking protocol to understand database architecture. 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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