Control effectiveness is the degree to which a control achieves its intended objective and mitigates the risk that it is designed to address. It is measured by comparing the actual performance and outcome of the control with the expected or desired performance and outcome.
The best method for assessing control effectiveness is continuous monitoring, which is the process of collecting, analyzing, and reporting on the performance and outcome of the controls on an ongoing basis.
Continuous monitoring provides timely and accurate information on the status and results of the controls, and enables the identification and correction of any issues or gaps in the control environment.
Continuous monitoring can be performed using various techniques, such as automated tools, dashboards, indicators, metrics, logs, audits, reviews, etc. Continuous monitoring can also be integrated with the risk management process, and aligned with the organization's objectives and risk appetite.
The other options are not the best methods for assessing control effectiveness, because they do not provide the same level of timeliness, accuracy, and completeness of information on the performance and outcome of the controls.
Ad hoc control reporting is the process of collecting, analyzing, and reporting on the performance and outcome of the controls on an irregular or occasional basis. Ad hoc control reporting may be triggered by specific events, requests, or incidents, and it may not cover all the relevant or critical controls. Ad hoc control reporting may not provide sufficient or consistent information on the control effectiveness, and it may not enable the timely and proactive identification and correction of any issues or gaps in the control environment.
Control self-assessment is the process of allowing the control owners or operators to evaluate and report on the performance and outcome of their own controls. Control self-assessment can provide useful insights and feedback from the control owners or operators, and it can enhance their awareness and accountability for the control effectiveness. However, control self-assessment may not be objective, reliable, or independent, and it may not cover all the relevant or critical controls. Control self-assessment may not provide sufficient or consistent information on the control effectiveness, and it may not enable the timely and proactive identification and correction of any issues or gaps in the control environment.
Predictive analytics is the process of using statistical techniques and models to analyze historical and current data, and to make predictions or forecasts about future events or outcomes. Predictive analytics can provide useful insights and trends on the potential performance and outcome of the controls, and it can support the decision making and planning for the control effectiveness. However, predictive analytics may not be accurate, valid, or reliable, and it may not reflect the actual or current performance and outcome of the controls. Predictive analytics may not provide sufficient or consistent information on the control effectiveness, and it may not enable the timely and proactive identification and correction of any issues or gaps in the control environment. References = ISACA, CRISC Review Manual, 7th Edition, 2022, pp. 40-41, 47-48, 54-55, 58-59, 62-63 ISACA, CRISC Review Questions, Answers & Explanations Database, 2022, QID 150 CRISC Practice Quiz and Exam Prep

Reporting risk assessment results to senior management is an essential part of risk communication, which is the process of sharing relevant and timely information about the risk exposure and risk management activities with the stakeholders. The most important benefit of reporting risk assessment results to senior management is to facilitate risk-aware decision making, which is the process of incorporating the risk information and analysis into the strategic and operational decisions of the organization. By reporting the risk assessment results, the risk practitioner can provide senior management with the insight and understanding of the current and potential risks, their likelihood and impact, their interrelationships and dependencies, and their alignment with the risk appetite and tolerance. This can help senior management to prioritize the risks, allocate the resources, select the risk responses, monitor the risk performance, and evaluate the risk outcomes. References = CRISC Review Manual, 7th Edition, page 105.

Alignment to business objectives is the most important factor when developing a business case for a proposed security investment, because it demonstrates how the investment will support the enterprise's mission, vision, and goals. A business case should show how the security investment will contribute to the value creation, risk reduction, and performance improvement of the enterprise. The other options are not the most important factors, although they may also be included in the business case. The identification of control requirements, the consideration of new business strategies, and the inclusion of strategy for regulatory compliance are secondary factors that depend on the alignment to business objectives. References = Most Asked CRISC Exam Questions and Answers

Monitoring the average time to complete tasks and monthly reporting of the findings during the month-end close process aligns with the definition of a Key Performance Indicator (KPI).
Understanding KPIs:
Performance Measurement:KPIs are used to measure how effectively a company is achieving its key business objectives. Monitoring the average time to complete tasks during the month-end close process provides a performance metric.
Tracking Efficiency:By reporting these findings monthly, management can track the efficiency and performance of the system load capabilities.
Specific Measure:
Task Completion Time:The average time to complete tasks is a specific, measurable indicator of performance.
It helps in understanding how well the system handles load and identifies areas for improvement.
Continuous Improvement:Regular monitoring and reporting encourage continuous improvement, which is a core aspect of using KPIs.
References:
According to ISACA's guidelines on performance measurement, KPIs are critical for tracking the efficiency and effectiveness of processes and systems. They provide tangible metrics that help in decision-making and performance improvement.

A risk register is a document that is used as a risk management tool to identify and track risks that may affect a project or an organization1. A risk register also includes information about the risk responses,which are the actions taken or planned to mitigate or eliminate the risks2. Therefore, a risk register provides the best evidence that risk responses have been executed according to their risk action plans, as it shows the status and progress of the risk responses, the results and outcomes of the risk responses, and the feedback and lessons learned from the risk responses3. A risk policy review is not the best evidence that risk responses have been executed according to their risk action plans, as it does not provide specific information on the risk responses. A risk policy review is a process that involves checking and verifying that the organization's risk management policies are up to date, relevant, and effective4. A risk policy review can help to identify and address any gaps or issues in the risk management policies, but it does not show the details and performance of the risk responses. A business impact analysis (BIA) is not the best evidence that risk responses have been executed according to their risk action plans, as it does not provide specific information on the risk responses. A BIA is a process that identifies and evaluates the potential effects of a disruption on the critical functions and processes of an organization5. A BIA can help to forecast the impacts of a risk event, but it does not show the actions and outcomes of the risk responses. A control catalog is not the best evidence that risk responses have been executed according to their risk action plans, as it does not provide specific information on the risk responses. A control catalog is adocument that lists and describes the controls that are implemented or planned to manage the risks within an organization6. A control catalog can help to document and communicate the controls, but it does not show the status and results of the risk responses. References = 1: Risk Register: A Project Manager's Guide with Examples [2023] * Asana2: Risk Response Strategy and Contingency Plans - ProjectManagement.com3: Risk Register: Examples, Benefits, and Best Practices4: A brief guide to assessing risks and controls | ACCA Global5: Using Business Impact Analysis to Inform Risk Prioritization and Response6: [Control Catalogue - ISACA]