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Database Systems Tests

Lock Based Protocols MCQ with Answers PDF Download

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The MCQ "A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called" PDF, Lock Based Protocols App Download (Free) with lock-point two-phase locking protocol, deadlock two-phase locking protocol, strict two-phase locking protocol, and rigorous two-phase locking protocol choices for top online computer science programs. Practice lock based protocols quiz questions, download Google eBook (Free Sample) for BSc computer science.

Database Systems: Lock Based Protocols MCQs PDF Download

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

A) Lock-point two-phase locking protocol
B) Deadlock two-phase locking protocol
C) Strict two-phase locking protocol
D) Rigorous two-phase locking protocol

MCQ: Cascading rollbacks can be avoided by

A) Strict two-phase locking protocol
B) Rigorous two-phase locking protocol
C) Deadlock two-phase locking protocol
D) Lock-point two-phase locking protocol

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

A) Recovery manager
B) Lock manager
C) Process manager
D) Database administrator

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

A) Composite
B) Compatible
C) Exclusive
D) Linear

MCQ: Two-phase locking does not ensure freedom from

A) Obtain locks
B) Release locks
C) New locks
D) Deadlocks

Practice Tests: Database Systems Exam Prep

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