Atomic Transactions MCQs

15 MCQs — Operating System MCQs (Page 1 of 2)

Practice Atomic Transactions MCQs with correct answers and explanations. These questions are from the Operating System MCQs section.

Attempt Atomic Transactions Quiz

Operating System Subcategories

Application Io Interface 1	Application Io Interface 2
Atomic Transactions	Basics
Classic Sync Problems	Communication Systems Bandwidth Transmission Medium
Cpu Scheduling	Cpu Scheduling 2
Cpu Scheduling Algorithms 1	Cpu Scheduling Algorithms 2
Cpu Scheduling Benefits	Critical Section Problem
Deadlock	Deadlock Avoidance
Deadlock Detection	Deadlock Prevention
Deadlock Recovery	Disk Management
Disk Scheduling 1	Disk Scheduling 2
Distributed File System	Distributed Operating System
Distributed Synchronization	File System 1
File System Allocation Methods 1	File System Allocation Methods 2
File System Allocation Methods 3	File System Concepts
File System Free Space Performance	File System Implementation
File System Interface Access Methods 1	File System Interface Access Methods 2
File System Interface Directory Structure 1	File System Interface Directory Structure 2
File System Interface Mounting Sharing	File System Interface Protection
File System Recovery	Inter Process Communication
Io Subsystem	Kernel Io Subsystems
Linux	Mass Storage Raid 1
Mass Storage Raid 2	Mass Storage Tertiary Storage
Memory Allocation 1	Memory Allocation 2
Memory Management	Memory Management Paging 1
Memory Management Paging 2	Memory Management Segmentation
Memory Management Swapping 1	Memory Management Swapping 2
Multi Threading Models	Multimedia System Compression 1
Multimedia System Compression 2	Multimedia System Compression 3
Multimedia System Cpu Disk Scheduling	Multimedia System Network Management
Network File System 1	Network File System 2
Network Structure Topology	Operating System
Process Control Block	Process Creation
Process Rpc	Process Scheduling Queue
Process Structures	Process Sync Monitors
Process Synchronization	Processes
Protection Access Matrix	Protection Concepts
Protection Memory Protection	Protection Revocation Access Rights
Robustness	Rtos
Secondary Storage	Security
Security Cryptography	Security Intrusion Detection
Security Program System Threats	Security System Facility
Security User Authentication	Semaphores 1
Semaphores 2	Swap Space Management
Threads	Threads Cancellation
Threads Fork Exec	Threads Pools
Threads Signal Handling	Threads Ult Klt
Two Port Network	Virtual Memory
Virtual Memory Demand Paging	Virtual Memory Frame Allocation
Virtual Memory Page Replacement Algorithms 1	Virtual Memory Page Replacement Algorithms 2
Virtual Memory Thrashing

A collection of instructions that performs a single logical function is called ____________

A. Transaction
B. Operation
C. Function
D. All of the mentioned

Read more about this MCQ

A terminated transaction that has completed its execution successfully is ____________ otherwise it is __________

A. Committed, destroyed
B. Aborted, destroyed
C. Committed, aborted
D. None of the mentioned

Read more about this MCQ

The state of the data accessed by an aborted transaction must be restored to what it was just before the transaction started executing. This restoration is known as ________ of transaction.

A. Safety
B. Protection
C. Roll ? back
D. Revert ? back

Read more about this MCQ

Write ahead logging is a way ____________

A. To ensure atomicity
B. To keep data consistent
C. That records data on stable storage
D. All of the mentioned

Read more about this MCQ

In the write ahead logging a _____________ is maintained.

A. A memory
B. A system
C. A disk
D. A log record

Read more about this MCQ

An actual update is not allowed to a data item ____________

A. Before the corresponding log record is written out to stable storage
B. After the corresponding log record is written out to stable storage
C. Until the whole log record has been checked for inconsistencies
D. All of the mentioned

Read more about this MCQ

The undo and redo operations must be _________ to guarantee correct behaviour, even if a failure occurs during recovery process.

A. Idempotent
B. Easy
C. Protected
D. All of the mentioned

Read more about this MCQ

The system periodically performs checkpoints that consists of the following operation(s) ____________

A. Putting all the log records currently in main memory onto stable storage
B. Putting all modified data residing in main memory onto stable storage
C. Putting a log record onto stable storage
D. All of the mentioned

Read more about this MCQ

Consider a transaction T1 that committed prior to checkpoint. The <T1 commits> record appears in the log before the <checkpoint> record. Any modifications made by T1 must have been written to the stable storage either with the checkpoint or prior to it. Thus at recovery time ____________

A. There is a need to perform an undo operation on t1
B. There is a need to perform a redo operation on t1
C. There is no need to perform an undo and redo operation on t1
D. All of the mentioned

Read more about this MCQ

Serializable schedules are ones where ____________

A. Concurrent execution of transactions is equivalent to the transactions executed serially
B. The transactions can be carried out one after the other
C. A valid result occurs after execution transactions
D. None of the mentioned

Read more about this MCQ

MCQs Menu

Atomic Transactions MCQs

Operating System Subcategories

MCQs Menu

Past Papers