CISA-KR 문제 231
다음 중 전사적 자원 관리(ERR) 시스템에서 3자 일치가 발생했는지 확인할 때 IS 감사인이 사용해야 하는 것은 무엇입니까?
정답: D
Explanation
A three-way match is a process of verifying that a purchase order, a goods receipt and an invoice are consistent before making a payment1. A three-way match ensures that the organization only pays for the goods or services that it ordered and received, and that the prices and quantities are accurate. A three-way match can prevent errors, fraud and overpayments in the accounts payable process.
An IS auditor should use a purchase order when verifying a three-way match has occurred in an enterprise resource planning (ERP) system. A purchase order is a document that authorizes a purchase transaction and specifies the items, quantities, prices and terms of the order2. A purchase order is the first document in the three-way match process, and it serves as the basis for comparing the goods receipt and the invoice. An IS auditor can use a purchase order to check if the ERP system has correctly recorded, matched and approved the three documents before making a payment.
The other options are not as useful for verifying a three-way match. A bank confirmation is a document that verifies the balance and activity of a bank account3. A bank confirmation can be used to confirm that a payment has been made or received, but it does not provide information about the details of the purchase transaction or the three-way match process. A goods delivery notification is a document that informs the buyer that the goods have been shipped or delivered by the seller4. A goods delivery notification can be used to track the status of the delivery, but it does not provide information about the quantity or quality of the goods or the invoice amount. A purchase requisition is a document that requests authorization to purchase goods or services from a specific supplier2. A purchase requisition can be used to initiate the purchasing process, but it does not provide information about the actual purchase order, goods receipt or invoice.
References:
Bank Confirmation - Overview, How It Works, Importance3
What is Goods Delivery Note? | Definition & Example4
What Is Three-Way Matching & Why Is It Important? | NetSuite1
Enterprise Resource Planning (ERP) - Definition, Types, Uses2
A three-way match is a process of verifying that a purchase order, a goods receipt and an invoice are consistent before making a payment1. A three-way match ensures that the organization only pays for the goods or services that it ordered and received, and that the prices and quantities are accurate. A three-way match can prevent errors, fraud and overpayments in the accounts payable process.
An IS auditor should use a purchase order when verifying a three-way match has occurred in an enterprise resource planning (ERP) system. A purchase order is a document that authorizes a purchase transaction and specifies the items, quantities, prices and terms of the order2. A purchase order is the first document in the three-way match process, and it serves as the basis for comparing the goods receipt and the invoice. An IS auditor can use a purchase order to check if the ERP system has correctly recorded, matched and approved the three documents before making a payment.
The other options are not as useful for verifying a three-way match. A bank confirmation is a document that verifies the balance and activity of a bank account3. A bank confirmation can be used to confirm that a payment has been made or received, but it does not provide information about the details of the purchase transaction or the three-way match process. A goods delivery notification is a document that informs the buyer that the goods have been shipped or delivered by the seller4. A goods delivery notification can be used to track the status of the delivery, but it does not provide information about the quantity or quality of the goods or the invoice amount. A purchase requisition is a document that requests authorization to purchase goods or services from a specific supplier2. A purchase requisition can be used to initiate the purchasing process, but it does not provide information about the actual purchase order, goods receipt or invoice.
References:
Bank Confirmation - Overview, How It Works, Importance3
What is Goods Delivery Note? | Definition & Example4
What Is Three-Way Matching & Why Is It Important? | NetSuite1
Enterprise Resource Planning (ERP) - Definition, Types, Uses2
CISA-KR 문제 232
다음 중 조직의 사고 대응 프로그램의 효율성을 가장 잘 나타내는 지표는 무엇입니까?
정답: C
Explanation
The best indicator of the effectiveness of an organization's incident response program is the financial impact per security event. This metric measures the direct and indirect costs associated with security incidents, such as loss of revenue, reputation damage, legal fees, recovery expenses, and fines. By reducing the financial impact per security event, the organization can demonstrate that its incident response program is effective in mitigating the consequences of security breaches and restoring normal operations as quickly as possible.
Number of successful penetration tests, percentage of protected business applications, and number of security vulnerability patches are indicators of the security posture of the organization, but they do not reflect the effectiveness of the incident response program. References: ISACA Journal Article: Measuring Incident Response Effectiveness
The best indicator of the effectiveness of an organization's incident response program is the financial impact per security event. This metric measures the direct and indirect costs associated with security incidents, such as loss of revenue, reputation damage, legal fees, recovery expenses, and fines. By reducing the financial impact per security event, the organization can demonstrate that its incident response program is effective in mitigating the consequences of security breaches and restoring normal operations as quickly as possible.
Number of successful penetration tests, percentage of protected business applications, and number of security vulnerability patches are indicators of the security posture of the organization, but they do not reflect the effectiveness of the incident response program. References: ISACA Journal Article: Measuring Incident Response Effectiveness
CISA-KR 문제 233
보고된 결과를 관련 실행 계획, 소유자 및 목표 날짜와 함께 발행해야 하는 감사 접근 방식의 주요 이점은 무엇입니까?
정답: C
Explanation
The primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates is that it establishes accountability for the action plans. Accountability means that the individuals or groups who are responsible for implementing the action plans are clearly identified and held liable for their completion within the specified time frame. Accountability also implies that the action plans are monitored and evaluated to ensure that they are effective and efficient in addressing the audit findings and mitigating the associated risks1. Accountability helps to ensure that the audit recommendations are taken seriously and implemented properly, and that the audit value is realized by the organization2. The other options are less relevant or incorrect because:
A: It facilitates easier audit follow-up is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of a secondary or indirect benefit. Audit follow-up is the process of verifying whether the action plans have been implemented and whether they have resolved the audit findings3. While having clear action plans, owners, and target dates may facilitate easier audit follow-up by providing a basis for tracking and reporting the progress and status of the action plans, it does not necessarily guarantee that the action plans will be implemented or effective.
B: It enforces action plan consensus between auditors and auditees is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of a prerequisite or condition for such an approach. Action plan consensus means that the auditors and auditees agree on the audit findings and recommendations, and on the action plans to address them4. While having action plan consensus may enhance the credibility and acceptance of the audit approach, it does not necessarily ensure that the action plans will be implemented or effective.
D; It helps to ensure factual accuracy of findings is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of an outcome or result of such an approach. Factual accuracy of findings means that the audit findings are based on sufficient, reliable, relevant, and useful evidence5. While having factual accuracy of findings may increase the confidence and trust in the audit approach, it does not necessarily ensure that the action plans will be implemented or effective. References: Accountability - ISACA, Audit Value - ISACA, Audit Follow-up - ISACA, Action Plan Consensus - ISACA, Factual Accuracy of Findings - ISACA
The primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates is that it establishes accountability for the action plans. Accountability means that the individuals or groups who are responsible for implementing the action plans are clearly identified and held liable for their completion within the specified time frame. Accountability also implies that the action plans are monitored and evaluated to ensure that they are effective and efficient in addressing the audit findings and mitigating the associated risks1. Accountability helps to ensure that the audit recommendations are taken seriously and implemented properly, and that the audit value is realized by the organization2. The other options are less relevant or incorrect because:
A: It facilitates easier audit follow-up is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of a secondary or indirect benefit. Audit follow-up is the process of verifying whether the action plans have been implemented and whether they have resolved the audit findings3. While having clear action plans, owners, and target dates may facilitate easier audit follow-up by providing a basis for tracking and reporting the progress and status of the action plans, it does not necessarily guarantee that the action plans will be implemented or effective.
B: It enforces action plan consensus between auditors and auditees is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of a prerequisite or condition for such an approach. Action plan consensus means that the auditors and auditees agree on the audit findings and recommendations, and on the action plans to address them4. While having action plan consensus may enhance the credibility and acceptance of the audit approach, it does not necessarily ensure that the action plans will be implemented or effective.
D; It helps to ensure factual accuracy of findings is not the primary benefit of an audit approach that requires reported findings to be issued together with related action plans, owners, and target dates, as it is more of an outcome or result of such an approach. Factual accuracy of findings means that the audit findings are based on sufficient, reliable, relevant, and useful evidence5. While having factual accuracy of findings may increase the confidence and trust in the audit approach, it does not necessarily ensure that the action plans will be implemented or effective. References: Accountability - ISACA, Audit Value - ISACA, Audit Follow-up - ISACA, Action Plan Consensus - ISACA, Factual Accuracy of Findings - ISACA
CISA-KR 문제 234
VoIP(Voice-over IP) 통신과 관련하여 IS 감사인이 고려해야 할 가장 중요한 문제는 다음 중 무엇입니까?
정답: C
Explanation
The most important issue for an IS auditor to consider with regard to Voice-over IP (VoIP) communications is the homogeneity of the network, because it affects the quality, security, and reliability of the VoIP service. A homogeneous network is one that uses a single protocol or standard for VoIP communication, such as Session Initiation Protocol (SIP) or H.32312. A homogeneous network can reduce the complexity, latency, and interoperability issues that may arise from using different or incompatible protocols or devices for VoIP communication12. Continuity of service, identity management, and nonrepudiation are also important issues for VoIP communications, but not as important as the homogeneity of the network. References: 1: CISA Review Manual (Digital Version), Chapter 4, Section 4.4.3 2: CISA Online Review Course, Module 4, Lesson
4
The most important issue for an IS auditor to consider with regard to Voice-over IP (VoIP) communications is the homogeneity of the network, because it affects the quality, security, and reliability of the VoIP service. A homogeneous network is one that uses a single protocol or standard for VoIP communication, such as Session Initiation Protocol (SIP) or H.32312. A homogeneous network can reduce the complexity, latency, and interoperability issues that may arise from using different or incompatible protocols or devices for VoIP communication12. Continuity of service, identity management, and nonrepudiation are also important issues for VoIP communications, but not as important as the homogeneity of the network. References: 1: CISA Review Manual (Digital Version), Chapter 4, Section 4.4.3 2: CISA Online Review Course, Module 4, Lesson
4
CISA-KR 문제 235
IS 품질 보증(OA) 그룹은 다음을 담당합니다.
정답: A
Explanation
The IS quality assurance (QA) group is responsible for ensuring that program changes adhere to established standards. Program changes are modifications made to software applications or systems to fix errors, improve performance, add functionality, or meet changing requirements. Program changes should follow established standards for documentation, authorization, testing, implementation, and review. The IS QA group is responsible for verifying that program changes comply with these standards and meet the expected quality criteria. Designing procedures to protect data against accidental disclosure; ensuring that the output received from system processing is complete; and monitoring the execution of computer processing tasks are not responsibilities of the IS QA group. References: [ISACA CISA Review Manual 27th Edition], page 304.
The IS quality assurance (QA) group is responsible for ensuring that program changes adhere to established standards. Program changes are modifications made to software applications or systems to fix errors, improve performance, add functionality, or meet changing requirements. Program changes should follow established standards for documentation, authorization, testing, implementation, and review. The IS QA group is responsible for verifying that program changes comply with these standards and meet the expected quality criteria. Designing procedures to protect data against accidental disclosure; ensuring that the output received from system processing is complete; and monitoring the execution of computer processing tasks are not responsibilities of the IS QA group. References: [ISACA CISA Review Manual 27th Edition], page 304.
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