Assessing System Availability Risk Likelihood

D.

The likelihood of a system availability risk scenario can be determined by assessing various factors that can contribute to such a scenario. Out of the options provided, the BEST way to determine the likelihood would be by assessing the redundancy of technical infrastructure.

Redundancy refers to the use of backup systems and components to ensure the availability and reliability of critical systems. A redundant infrastructure helps to prevent single points of failure and can increase the system's ability to recover from unexpected outages or disruptions.

Assessing the redundancy of technical infrastructure involves analyzing the design and configuration of the system's hardware and software components, as well as evaluating the processes and procedures in place for monitoring and maintaining system availability. This can include evaluating the use of load balancers, failover mechanisms, backup power supplies, and other redundant components.

While the other options listed may also provide valuable information for assessing system availability risks, they are not as directly relevant or reliable as evaluating the redundancy of technical infrastructure. For example, the availability of fault-tolerant software is important, but it may not be sufficient to ensure the overall availability of a system if other components are not redundant. Similarly, vulnerability scan results of critical systems can provide insight into potential security risks, but they may not directly correlate with availability risks.

Overall, assessing the redundancy of technical infrastructure is the BEST way to determine the likelihood of a system availability risk scenario. This analysis can help organizations identify potential areas of weakness and implement appropriate measures to improve system availability and prevent downtime.