Technical control owners are responsible for the day-to-day operation and maintenance of controls. Their primary accountability is to ensure that controls are effectively implemented and continue to operate as intended to mitigate associated risks.
Reference:ISACA CRISC Review Manual, 7th Edition, Chapter 3: Risk Response and Reporting, Section:
Control Monitoring and Reporting.

The areas to address first when classifying and prioritizing risk responses are those with high cost effectiveness ratios and high risk levels, as they represent the most optimal and urgent risk responses that can reduce the risk exposure and impact significantly with a reasonable cost. The other options are not the areas to address first, as they may indicate suboptimal or less urgent risk responses that may not align with the risk tolerance and appetite of the organization. References = CRISC Review Manual, 7th Edition, page 109.

The most important thing when implementing an organization's security policy is to obtain management support. Management support means that the senior management and the board of directors endorse, approve, and fund the security policy and its implementation. Management support also means that the management communicates, promotes, and enforces the security policy across the organization. Management support can help to ensure that the security policy is aligned with the organizational strategy and objectives, and that it is effective, consistent, and sustainable. The other options are not as important as obtaining management support, as they are related to the specific aspects or components of the security policy implementation, not the overall success and acceptance of the security policy implementation. References = Risk and Information Systems Control Study Manual, Chapter 3: IT Risk Response, Section 3.3: IT Risk Response Implementation, page 145.

The organization's risk tolerance should be defined and approved by the board of directors, as they are the highest governing body of the organization and have the ultimate responsibility and accountability for the strategic direction and oversight of the risk management process. The board of directors should establish and communicate the risk appetite and tolerance of the organization, and ensure that they are aligned with the organization's vision, mission, values, and goals. The board of directors should also monitor and review the risk management performance and outcomes, and provide guidance and support to the management and staff.
The other options are not the correct answers, as they do not have the authority or responsibility to define and approve the organization's risk tolerance, although they may have some roles or involvement in the risk management process. The chief risk officer (CRO) is the senior executive who leads and coordinates the risk management activities across the organization, and reports to the board of directors and the chief executive officer (CEO). The CRO should advise and assist the board of directors in defining and approving the risk tolerance, but they cannot do it on their own. The chief executive officer (CEO) is the highest-ranking manager of the organization and has the responsibility and accountability for the execution and implementation of the risk management process. The CEO should support and communicate the risk tolerance defined and approved by the board of directors, but they cannot do it on their own. The chief information officer (CIO) is the senior executive who oversees and manages the information and technology functions and resources of the organization. The CIO should ensure that the IT risks and controls are aligned with the risk tolerance defined and approved by the board of directors, but they cannot do it on their own. References = Risk and Information Systems Control Study Manual, Chapter 1: IT Risk Identification, page 24.

IT risk scenarios are the descriptions or representations of the possible or hypothetical situations or events that may cause or result in an IT risk for the organization. IT risk scenarios usually consist of three elements: a threat or source of harm, a vulnerability or weakness, and an impact or consequence.
The best approach to use when creating a comprehensive set of IT risk scenarios is to map scenarios to a recognized risk management framework, which is an established or recognized model or standard that provides the principles, guidelines, and best practices for the organization's IT risk management function.
Mapping scenarios to a recognized risk management framework can help the organization to create a comprehensive set of IT risk scenarios by providing the following benefits:
It can ensure that the IT risk scenarios are relevant, appropriate, and proportional to the organization's IT objectives and needs, and that they support the organization's IT strategy and culture.
It can ensure that the IT risk scenarios are consistent and compatible with the organization's IT governance, risk management, and control functions, and that they reflect the organization's IT risk appetite and tolerance.
It can provide useful references and benchmarks for the identification, analysis, evaluation, and communication of the IT risk scenarios, and for the alignment and integration of the IT risk scenarios with the organization's IT risk policies and standards.
The other options are not the best approaches to use when creating a comprehensive set of IT risk scenarios, because they do not provide the same level of detail and insight that mapping scenarios to a recognized risk management framework provides, and they may not be specific or applicable to the organization's IT objectives and needs.
Deriving scenarios from IT risk policies and standards means creating or generating the IT risk scenarios based on the rules or guidelines that define and describe the organization's IT risk management function, and that specify the expectations and requirements for the organization's IT risk management function. Deriving scenarios from IT risk policies and standards can help the organization to create a consistent and compliant set of IT risk scenarios, but it is not the best approach, because it may not cover all the relevant or significant IT risks that may affect the organization, and it may not support the organization's IT strategy and culture.
Gathering scenarios from senior management means collecting or obtaining the IT risk scenarios from the senior management or executives that oversee or direct the organization's IT activities or functions. Gathering scenarios from senior management can help the organization to create a high-level and strategic set of IT risk scenarios, but it is not the best approach, because it may not reflect the operational or technical aspects of the IT risks, and it may not involve the input or feedback from the other stakeholders or parties that are involved or responsible for the IT activities or functions.
Benchmarking scenarios against industry peers means comparing and contrasting the IT risk scenarios with those of other organizations or industry standards, and identifying the strengths, weaknesses, opportunities, or threats that may affect the organization's IT objectives oroperations. Benchmarking scenarios against industry peers can help the organization to create a competitive and innovative set of IT risk scenarios, but it is not the best approach, because it may not be relevant or appropriate for the organization's IT objectives and needs, and it may not comply with the organization's IT policies and standards. References = ISACA, CRISC Review Manual, 7th Edition, 2022, pp. 19-20, 23-24, 27-28, 31-32, 40-41, 47-48, 54-55, 58-
59, 62-63
ISACA, CRISC Review Questions, Answers & Explanations Database, 2022, QID 199 CRISC Practice Quiz and Exam Prep