Concurrency Control Multiple Choice Questions and Answers 1 PDF Download

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Study concurrency control quiz with multiple choice question (MCQs): a protocol that ensures system will never enter a deadlock state is called, for bachelor degree and masters in data science degree courses with choices deadlock elimination , deadlock detection , deadlock prevention, deadlock recovery for associate degree, graduate degree and masters degree students for online eLearning preparation. Practice skills assessment test to learn online deadlock handling quiz questions with database management system MCQs for IT certifications competitive exam prep.

MCQ on Concurrency Control Test 1Quiz PDF Download

MCQ: A protocol that ensures system will never enter a deadlock state is called

  1. Deadlock detection
  2. Deadlock elimination
  3. Deadlock prevention
  4. Deadlock recovery

C

MCQ: An approach named Lock timeouts is used for

  1. Deadlock detection
  2. Deadlock elimination
  3. Deadlock recovery
  4. Deadlock prevention

D

MCQ: Rigorous two-phase locking protocol permits releasing all locks at the

  1. Beginning of transaction
  2. During execution of transaction
  3. End of transaction
  4. Never in the life-time of transaction

C

MCQ: System must deal with deadlocks that are not prevented by using schemes of

  1. Validation
  2. Deadlock detection
  3. Deadlock recovery
  4. Both A and B

D

MCQ: A scheme that creates a new version of a data item for each transaction is defined by

  1. Concurrency control scheme
  2. Multiversion concurrency control scheme
  3. Timestamp concurrency control scheme
  4. Wound concurrency control scheme

B