CISA-KR 문제 96
다음 중 데이터 보존 방식을 손상시키지 않으면서 데이터 스토리지를 최적화하는 전략은 무엇입니까?
정답: A
Explanation
The best strategy to optimize data storage without compromising data retention practices is to limit the size of file attachments being sent via email. This strategy can reduce the amount of storage space required for email messages, as well as the network bandwidth consumed by email traffic. File attachments can be large and often contain redundant or unnecessary information that can be compressed, converted, or removed before sending. By limiting the size of file attachments, the sender can encourage the use of more efficient formats, such as PDF or ZIP, or alternative methods of sharing files, such as cloud storage or web links. This can also improve the security and privacy of email communications, as large attachments may pose a higher risk of being intercepted, corrupted, or infected by malware.
References:
Data Storage Optimization: What is it and Why Does it Matter?
Data storage optimization 101: Everything you need to know
The best strategy to optimize data storage without compromising data retention practices is to limit the size of file attachments being sent via email. This strategy can reduce the amount of storage space required for email messages, as well as the network bandwidth consumed by email traffic. File attachments can be large and often contain redundant or unnecessary information that can be compressed, converted, or removed before sending. By limiting the size of file attachments, the sender can encourage the use of more efficient formats, such as PDF or ZIP, or alternative methods of sharing files, such as cloud storage or web links. This can also improve the security and privacy of email communications, as large attachments may pose a higher risk of being intercepted, corrupted, or infected by malware.
References:
Data Storage Optimization: What is it and Why Does it Matter?
Data storage optimization 101: Everything you need to know
CISA-KR 문제 97
다음 중 IS 감사 프로세스 및 관행의 지속적인 개선을 촉진하는 가장 좋은 방법은 무엇입니까?
정답: D
Explanation
The best way to foster continuous improvement of IS audit processes and practices is to establish and embed quality assurance (QA) within the IS audit function, as this will ensure that the IS audit activities are aligned with the standards, expectations, and objectives of the organization and the stakeholders12. QA involves periodic internal and external assessments, benchmarking, feedback, and root cause analysis to identify and address gaps, issues, and opportunities for improvement34.
References
1: The Basics and Principles of Continuous Improvement4 2: ISO 9001 Auditing Practices Group Guidance on5 3: INSIGHTS TO QUALITY3 4: Continuous Auditing: Coordinating Continuous Auditing and Monitoring to Provide Continuous Assurance2
The best way to foster continuous improvement of IS audit processes and practices is to establish and embed quality assurance (QA) within the IS audit function, as this will ensure that the IS audit activities are aligned with the standards, expectations, and objectives of the organization and the stakeholders12. QA involves periodic internal and external assessments, benchmarking, feedback, and root cause analysis to identify and address gaps, issues, and opportunities for improvement34.
References
1: The Basics and Principles of Continuous Improvement4 2: ISO 9001 Auditing Practices Group Guidance on5 3: INSIGHTS TO QUALITY3 4: Continuous Auditing: Coordinating Continuous Auditing and Monitoring to Provide Continuous Assurance2
CISA-KR 문제 98
다음 중 은행 직원의 은행 송금 사기를 방지하는 가장 좋은 방법은 무엇입니까?
정답: D
Explanation
The best method to prevent wire transfer fraud by bank employees is system-enforced dual control.
System-enforced dual control is a segregation of duties control that requires two or more individuals to perform or authorize a transaction or activity using a system that enforces this requirement. System-enforced dual control can prevent wire transfer fraud by requiring independent verification and approval of payment requests, amounts, and recipients by different bank employees using a system that does not allow any single employee to complete the transaction alone. The other options are not as effective as system-enforced dual control in preventing wire transfer fraud, as they do not involve independent checks or approvals using a system. Independent reconciliation is a detective control that can help compare and confirm payment records with bank statements, but it does not prevent wire transfer fraud from occurring. Re-keying of wire dollar amounts is an input control that can help detect any errors or discrepancies in payment amounts, but it does not prevent wire transfer fraud from occurring. Two-factor authentication control is an access control that can help verify the identity and authorization of bank employees, but it does not prevent wire transfer fraud from occurring. References: CISA Review Manual (Digital Version), Chapter 3, Section 3.2
The best method to prevent wire transfer fraud by bank employees is system-enforced dual control.
System-enforced dual control is a segregation of duties control that requires two or more individuals to perform or authorize a transaction or activity using a system that enforces this requirement. System-enforced dual control can prevent wire transfer fraud by requiring independent verification and approval of payment requests, amounts, and recipients by different bank employees using a system that does not allow any single employee to complete the transaction alone. The other options are not as effective as system-enforced dual control in preventing wire transfer fraud, as they do not involve independent checks or approvals using a system. Independent reconciliation is a detective control that can help compare and confirm payment records with bank statements, but it does not prevent wire transfer fraud from occurring. Re-keying of wire dollar amounts is an input control that can help detect any errors or discrepancies in payment amounts, but it does not prevent wire transfer fraud from occurring. Two-factor authentication control is an access control that can help verify the identity and authorization of bank employees, but it does not prevent wire transfer fraud from occurring. References: CISA Review Manual (Digital Version), Chapter 3, Section 3.2
CISA-KR 문제 99
다음 중 IS 감사인이 보안 사고 후 수행된 사고 후 검토 결과를 조사하는 가장 중요한 이유는 무엇입니까?
정답: A
Explanation
A post-incident review (PIR) is a process to review the incident information from occurrence to closure and to identify potential findings and recommendations for improvement1. The most important reason for an IS auditor to examine the results of a PIR is to evaluate the effectiveness of continuous improvement efforts and to ensure that the lessons learned from the incident are implemented and followed up2. A PIR can help an organization to eliminate or reduce the risk of the incident to re-occur, improve the initial incident detection time, identify improvements needed to diagnose and repair the incident, and update the incident management best practices1. Therefore, a PIR is a valuable source of information for an IS auditor to assess the maturity and performance of the organization's incident management process.
A post-incident review (PIR) is a process to review the incident information from occurrence to closure and to identify potential findings and recommendations for improvement1. The most important reason for an IS auditor to examine the results of a PIR is to evaluate the effectiveness of continuous improvement efforts and to ensure that the lessons learned from the incident are implemented and followed up2. A PIR can help an organization to eliminate or reduce the risk of the incident to re-occur, improve the initial incident detection time, identify improvements needed to diagnose and repair the incident, and update the incident management best practices1. Therefore, a PIR is a valuable source of information for an IS auditor to assess the maturity and performance of the organization's incident management process.
CISA-KR 문제 100
CFO는 월말 보고 중 일련의 재무 시스템 속도 저하로 인해 IT 용량 관리 감사를 요청했습니다. 이 감사를 프로그램에 포함하기 전에 고려해야 할 가장 중요한 것은 무엇입니까?
정답: B
Explanation
The most important thing to consider before including an audit of IT capacity management in the program is whether the system's performance poses a significant risk to the organization. IT capacity management is a process that ensures that IT resources are sufficient to meet current and future business needs, and that they are optimized for cost and performance. A poor IT capacity management can result in system slowdowns, outages, failures, or breaches, which can affect the availability, reliability, security, and efficiency of IT services and business processes. Therefore, before conducting an audit of IT capacity management, the auditor should assess the potential impact and likelihood of these risks on the organization's objectives, reputation, compliance, and customer satisfaction.
Whether system delays result in more frequent use of manual processing (option A) is not the most important thing to consider before including an audit of IT capacity management in the program, as it is only one possible consequence of poor IT capacity management. Manual processing can introduce errors, delays, inefficiencies, and inconsistencies in the data and reports, which can affect the quality and accuracy of financial information. However, manual processing is not the only or the worst outcome of poor IT capacity management; there may be other more severe or frequent risks that need to be considered.
Whether stakeholders are committed to assisting with the audit (option C) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the feasibility and effectiveness of the audit, not the necessity or priority of it. Stakeholder commitment is important for ensuring that the auditor has access to relevant information, documents, data, and personnel, as well as for facilitating communication, collaboration, and feedback during the audit process. However, stakeholder commitment is not a sufficient reason to conduct an audit of IT capacity management; there must be a clear risk-based rationale for selecting this area for audit.
Whether internal auditors have the required skills to perform the audit (option D) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the quality and credibility of the audit, not the urgency or importance of it. Internal auditors should have the appropriate knowledge, skills, and experience to perform an audit of IT capacity management, which may include technical, business, analytical, and communication skills. However, internal auditors can also acquire or supplement these skills through training, coaching, consulting, or outsourcing. Therefore, internal auditors' skills are not a decisive factor for choosing this area for audit.
Therefore, option B is the correct answer.
References:
Guide to IT Capacity Management | Smartsheet
ISO 27001 capacity management: How to implement control A.12.1.3 - Advisera ISO 27002:2022 - Control 8.6 - Capacity Management
The most important thing to consider before including an audit of IT capacity management in the program is whether the system's performance poses a significant risk to the organization. IT capacity management is a process that ensures that IT resources are sufficient to meet current and future business needs, and that they are optimized for cost and performance. A poor IT capacity management can result in system slowdowns, outages, failures, or breaches, which can affect the availability, reliability, security, and efficiency of IT services and business processes. Therefore, before conducting an audit of IT capacity management, the auditor should assess the potential impact and likelihood of these risks on the organization's objectives, reputation, compliance, and customer satisfaction.
Whether system delays result in more frequent use of manual processing (option A) is not the most important thing to consider before including an audit of IT capacity management in the program, as it is only one possible consequence of poor IT capacity management. Manual processing can introduce errors, delays, inefficiencies, and inconsistencies in the data and reports, which can affect the quality and accuracy of financial information. However, manual processing is not the only or the worst outcome of poor IT capacity management; there may be other more severe or frequent risks that need to be considered.
Whether stakeholders are committed to assisting with the audit (option C) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the feasibility and effectiveness of the audit, not the necessity or priority of it. Stakeholder commitment is important for ensuring that the auditor has access to relevant information, documents, data, and personnel, as well as for facilitating communication, collaboration, and feedback during the audit process. However, stakeholder commitment is not a sufficient reason to conduct an audit of IT capacity management; there must be a clear risk-based rationale for selecting this area for audit.
Whether internal auditors have the required skills to perform the audit (option D) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the quality and credibility of the audit, not the urgency or importance of it. Internal auditors should have the appropriate knowledge, skills, and experience to perform an audit of IT capacity management, which may include technical, business, analytical, and communication skills. However, internal auditors can also acquire or supplement these skills through training, coaching, consulting, or outsourcing. Therefore, internal auditors' skills are not a decisive factor for choosing this area for audit.
Therefore, option B is the correct answer.
References:
Guide to IT Capacity Management | Smartsheet
ISO 27001 capacity management: How to implement control A.12.1.3 - Advisera ISO 27002:2022 - Control 8.6 - Capacity Management
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