What is called a system that is capable of detecting that a fault has occurred and has the ability to correct the fault or operate around it?
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A. B. C. D.C.
A fault-tolerant system is capable of detecting that a fault has occurred and has the ability to correct the fault or operate around it.
In a fail-safe system, program execution is terminated, and the system is protected from being compromised when a hardware or software failure occurs and is detected.
In a fail-soft system, when a hardware or software failure occurs and is detected, selected, non-critical processing is terminated.
The term failover refers to switching to a duplicate "hot" backup component in real-time when a hardware or software failure occurs, enabling processing to continue.
Source: KRUTZ, Ronald L.
& VINES, Russel.
D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 5: Security Architecture and Models (page 196).
C. A fault-tolerant system is a system that is capable of detecting that a fault has occurred and has the ability to correct the fault or operate around it.
A fault is an unexpected and unwanted event that can lead to the failure or malfunction of a system or component. Fault-tolerant systems are designed to continue operating even when a fault occurs, thereby reducing or eliminating downtime and ensuring the availability of critical services.
A fault-tolerant system typically includes redundant components that can take over the functions of failed components, as well as error-detection and error-correction mechanisms that can detect and correct faults before they cause system failures.
For example, a fault-tolerant computer system might include multiple processors, memory modules, and power supplies that can continue to operate even if one or more of these components fail. The system might also use techniques such as checksums or parity bits to detect and correct errors in data transmission or storage.
In summary, a fault-tolerant system is a system that can continue to operate even when faults occur, by detecting and correcting them or by operating around them. This increases the reliability and availability of the system, making it suitable for critical applications where downtime or failures could have serious consequences.