What is an example of fault tolerance applied at the transaction level?
A) Consensus-based protocols
B) Read-after-write checks
C) Database shadowing
D) Flagging

Question

Quizplus · Accepted Answer

Database shadowing is a fault-tolerance technique that involves maintaining a redundant copy of a database that can be used if the primary database fails. This approach ensures that transactions can still be processed even if the primary database becomes unavailable. Consensus-based protocols are used for fault tolerance at the system level, and read-after-write checks and flagging are used for data integrity and consistency, respectively.

What Is an Example of Fault Tolerance Applied at the Transaction