CISA-KR 문제 46
이 작업을 담당하는 공급업체는 이러한 하드 드라이브에 대해 전혀 알지 못했습니다.
다음 중 이 문제를 해결하기 위한 가장 좋은 조치는 무엇입니까?
The issue seems to stem from a breakdown in the workflow or process for handling assets that are due for destruction12. By examining the workflow, the IS auditor can identify where the process failed, such as why the vendor was not notified about the hard drives12. This could involve reviewing procedures for inventory management, communication with vendors, and tracking of assets due for destruction12. The findings can then be used to improve the workflow and prevent similar issues in the future12.
References:
How To Properly Destroy A Hard Drive - Tech News Today
How to safely and securely destroy hard disk data - iFixit
CISA-KR 문제 47
In the development of a new financial application, the IS auditor's first involvement should be in the feasibility study. A feasibility study is a preliminary analysis that evaluates the technical, operational, economic, and legal aspects of a proposed project or system. A feasibility study helps determine whether the project or system is viable, feasible, and desirable for the organization and its stakeholders.
The IS auditor's role in the feasibility study is to provide an independent and objective assessment of the project or system's risks, benefits, costs, and impacts. The IS auditor should also ensure that the feasibility study follows a structured and systematic approach, considers all relevant factors and alternatives, and complies with the organization's policies and standards. The IS auditor should also verify that the feasibility study is documented and communicated to the appropriate decision-makers.
The IS auditor's involvement in the feasibility study is important because it can help:
Identify and mitigate potential risks and issues that could affect the project or system's success Evaluate and justify the project or system's alignment with the organization's strategy, goals, and value proposition Estimate and optimize the project or system's resources, budget, schedule, and quality Assess and enhance the project or system's security, reliability, performance, and usability Ensure that the project or system meets the expectations and requirements of the users and other stakeholders The other three options are not the first involvement of the IS auditor in the development of a new financial application, although they may be part of the subsequent stages of the development process. Control design is the process of defining and implementing controls that ensure the security, integrity, availability, and efficiency of the system. Application design is the process of specifying the functional and technical features of the system. System test is the process of verifying that the system meets the specifications and requirements.
Therefore, feasibility study is the best answer.
References:
[Feasibility Study - ISACA]
[IS Auditing Guideline G13 Performing an IS Audit Engagement - ISACA]
CISA-KR 문제 48
The most appropriate and effective fire suppression method for an un-staffed computer room is carbon dioxide (CO2). Carbon dioxide is a gaseous clean agent that extinguishes fire by displacing oxygen and reducing the combustion process. Carbon dioxide is suitable for un-staffed computer rooms because it does not leave any residue, damage, or corrosion on the electronic equipment, and it does not require water or other chemicals that could harm the environment or human health. However, carbon dioxide can pose a risk of asphyxiation to any person who may enter the computer room during or after the discharge, so proper safety precautions and warning signs should be in place.
The other options are not as appropriate or effective as carbon dioxide for an un-staffed computer room:
Water sprinkler. This is a common fire suppression method that uses water to cool down and extinguish fire. However, water sprinkler is not suitable for un-staffed computer rooms because it can cause severe damage to the electronic equipment, such as short circuits, corrosion, or data loss. Water sprinkler can also create a risk of electric shock to any person who may enter the computer room during or after the discharge.
Fire extinguishers. These are portable devices that contain a pressurized agent that can be sprayed on a fire to put it out. However, fire extinguishers are not effective for un-staffed computer rooms because they require manual operation by a trained person who can identify the type and location of the fire, and use the appropriate extinguisher. Fire extinguishers can also cause damage to the electronic equipment if they contain water or chemical agents.
Dry pipe. This is a type of sprinkler system that uses pressurized air or nitrogen in the pipes instead of water until a fire is detected. When a fire is detected, the air or nitrogen is released and water flows into the pipes and sprinklers. However, dry pipe is not ideal for un-staffed computer rooms because it still uses water as the extinguishing agent, which can damage the electronic equipment as mentioned above.
Dry pipe also has a slower response time than wet pipe sprinkler systems, which can allow the fire to spread more quickly.
CISA-KR 문제 49
Changing the default configurations of a database system is a critical control for securing it from unauthorized access or exploitation. Default configurations often include weak passwords, unnecessary services, open ports, or known vulnerabilities that can be easily exploited by attackers. The other options are not as important as changing the default configurations, as they do not address the root cause of the security risks. Normalizing tables in the database is a design technique for improving data quality and performance, but it does not affect security. Changing the service port used by the database server is a form of security by obscurity, which can be easily bypassed by port scanning tools. Using the default administration account after changing the account password is still risky, as the account name may be known or guessed by attackers. References: CISA Review Manual (Digital Version), Chapter 5, Section 5.2.4
CISA-KR 문제 50
Upon completion of audit work, an IS auditor should distribute a summary of general findings to the members of the auditing team. This is to ensure that the audit team members are aware of the audit results, have an opportunity to provide feedback, and can agree on the audit conclusions and recommendations. Providing a report to senior management prior to discussion with the auditee, providing a report to the auditee stating the initial findings, and reviewing the working papers with the auditee are not appropriate actions for an IS auditor to take upon completion of audit work, as they may compromise the audit independence, objectivity, and quality. References: ISACA CISA Review Manual 27th Edition, page 221
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