Crash Recovery in Computing

What is a crash in computing?

• A software installation

• A hardware upgrade

• A program failing to function properly

• A successful database backup

What is a database crash?

• A sudden internet disconnection

• Damage to a database’s state or storage media

• Deleting a file manually

• Turning off the computer

Which of the following can cause a system crash?

• Power failure

• Playing music

• Using a printer

• Watching a video

Crash recovery ensures the database returns to a:

• Random state

• Unused state

• Consistent and usable state

• Archived state

The term for the state where a database is accurate and reliable is:

• Fault line

• Crash point

• Point of consistency

• Memory zone

What does ARIES stand for?

• Advanced Record In External System

• Algorithm for Recovery and Isolation Exploiting Semantics

• Access Recovery in Embedded Software

• Analytical Runtime Error Isolation Setup

Who is the inventor of ARIES?

• Alan Turing

• Dennis Ritchie

• Dr. C. Mohan

• Charles Babbage

What is the first principle of ARIES?

• Data replication

• Write Ahead Logging

• Logging rollback

• Checkpointing

What is the second principle of ARIES?

• Restore backups

• Writing undo history

• Repeating history during redo

• Media recovery

The third principle of ARIES is:

• Logging changes during undo

• Repeating checkpointing

• Recovery mirroring

• Data rewriting