CISA-KR 문제 351
최근 구매한 시스템에 대한 이식 후 국가 검토에서 iS 감사자가 다음 사항을 결정하는 것이 가장 중요합니다.
정답: C
The most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system is whether the user requirements were met. User requirements are the specifications and expectations of the users of the system, such as the features, functions, performance, quality, and security of the system. User requirements are usually defined and documented in the early stages of the system acquisition process, such as in the request for proposal (RFP) or the contract. User requirements are also used as the basis for testing and evaluating the system before and after implementation.
Determining whether the user requirements were met can help the IS auditor assess whether the system is fit for purpose and delivers value and benefits to the users and the organization. Determining whether the user requirements were met can also help the IS auditor identify any gaps, issues, or problems with the system that may affect its functionality, usability, or reliability. Determining whether the user requirements were met can also help the IS auditor provide feedback and recommendations for improvement or enhancement of the system.
Stakeholder expectations were identified is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather a prerequisite or input for it.
Stakeholder expectations are the needs and wants of the various parties who have an interest or influence in the system, such as users, managers, customers, suppliers, regulators, or auditors. Stakeholder expectations are usually identified and analyzed in the initial stages of the system acquisition process, such as in the feasibility study or the business case. Stakeholder expectations are also used as inputs for defining and prioritizing the user requirements.
Vendor product offered a viable solution is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather an outcome or result of it. Vendor product is the system that is provided by an external supplier or service provider to meet the user requirements. Vendor product offered a viable solution means that the vendor product satisfied or exceeded the user requirements and delivered value and benefits to the users and organization. Vendor product offered a viable solution can be determined by comparing and evaluating the user requirements and the vendor product performance and quality.
Test scenarios reflected operating activities is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather a factor or criterion for it. Test scenarios are sets of conditions or situations that are used to test and verify whether the system meets the user requirements. Test scenarios reflected operating activities means that test scenarios simulated or replicated real-world scenarios that occur during normal operations of business processes or functions that use or depend on the system. Test scenarios reflected operating activities can help ensure that test results are valid, reliable, and relevant.
References:
* Post Implementation Review: How to conduct and its Benefits 1
* Post-implementation reviews - Department of Prime Minister and Cabinet 2
* How To Conduct A Post Implementation Audit of Your Recently Installed System 3
Determining whether the user requirements were met can help the IS auditor assess whether the system is fit for purpose and delivers value and benefits to the users and the organization. Determining whether the user requirements were met can also help the IS auditor identify any gaps, issues, or problems with the system that may affect its functionality, usability, or reliability. Determining whether the user requirements were met can also help the IS auditor provide feedback and recommendations for improvement or enhancement of the system.
Stakeholder expectations were identified is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather a prerequisite or input for it.
Stakeholder expectations are the needs and wants of the various parties who have an interest or influence in the system, such as users, managers, customers, suppliers, regulators, or auditors. Stakeholder expectations are usually identified and analyzed in the initial stages of the system acquisition process, such as in the feasibility study or the business case. Stakeholder expectations are also used as inputs for defining and prioritizing the user requirements.
Vendor product offered a viable solution is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather an outcome or result of it. Vendor product is the system that is provided by an external supplier or service provider to meet the user requirements. Vendor product offered a viable solution means that the vendor product satisfied or exceeded the user requirements and delivered value and benefits to the users and organization. Vendor product offered a viable solution can be determined by comparing and evaluating the user requirements and the vendor product performance and quality.
Test scenarios reflected operating activities is not the most important thing for the IS auditor to determine in a post-implementation review of a recently purchased system, but rather a factor or criterion for it. Test scenarios are sets of conditions or situations that are used to test and verify whether the system meets the user requirements. Test scenarios reflected operating activities means that test scenarios simulated or replicated real-world scenarios that occur during normal operations of business processes or functions that use or depend on the system. Test scenarios reflected operating activities can help ensure that test results are valid, reliable, and relevant.
References:
* Post Implementation Review: How to conduct and its Benefits 1
* Post-implementation reviews - Department of Prime Minister and Cabinet 2
* How To Conduct A Post Implementation Audit of Your Recently Installed System 3
CISA-KR 문제 352
다음 중 웹 애플리케이션 성능을 나타내는 가장 좋은 지표는 무엇입니까?
정답: C
The best indicator of the performance of a web application is the average response time. This metric measures how long it takes for the web server to process and deliver a request from the client. It reflects the user's perception of how fast or slow the web application is, and it affects the user's satisfaction, engagement, and conversion. A low average response time means that the web application is responsive and efficient, while a high average response time means that the web application is sluggish and unreliable.
HTTP server error rate, server thread count, and server uptime are not as good indicators of the performance of a web application as the average response time. HTTP server error rate measures how often the web server fails to handle a request and returns an error code, such as 404 (Not Found) or 500 (Internal Server Error).
This metric indicates the reliability and availability of the web application, but it does not capture how fast or slow the web application is. Server thread count measures how many concurrent requests the web server can handle at a given time. This metric indicates the scalability and capacity of the web application, but it does not capture how long each request takes to process. Server uptime measures how long the web server has been running without interruption. This metric indicates the stability and resilience of the web application, but it does not capture how well the web application performs during that time.
References:
10 Key Application Performance Metrics & How to Measure Them - Stackify1 Measuring performance - Learn web development | MDN2 Understanding the Basics of Web Performance | BrowserStack3
14 Important Website Performance Metrics You Should Be Analyzing4
Top 8 Web Application Performance Metrics | MetricFire Blog5
Web Performance Monitoring: A How to Guide for Developers - Stackify6
HTTP server error rate, server thread count, and server uptime are not as good indicators of the performance of a web application as the average response time. HTTP server error rate measures how often the web server fails to handle a request and returns an error code, such as 404 (Not Found) or 500 (Internal Server Error).
This metric indicates the reliability and availability of the web application, but it does not capture how fast or slow the web application is. Server thread count measures how many concurrent requests the web server can handle at a given time. This metric indicates the scalability and capacity of the web application, but it does not capture how long each request takes to process. Server uptime measures how long the web server has been running without interruption. This metric indicates the stability and resilience of the web application, but it does not capture how well the web application performs during that time.
References:
10 Key Application Performance Metrics & How to Measure Them - Stackify1 Measuring performance - Learn web development | MDN2 Understanding the Basics of Web Performance | BrowserStack3
14 Important Website Performance Metrics You Should Be Analyzing4
Top 8 Web Application Performance Metrics | MetricFire Blog5
Web Performance Monitoring: A How to Guide for Developers - Stackify6
CISA-KR 문제 353
두 개의 인터넷 연결이 있는 조직 네트워크의 복원력을 검토하는 IS 감사자에게 가장 큰 관심사는 다음 중 어느 것일까요?
정답: D
CISA-KR 문제 354
중요 IT 인프라에 대한 취약성 스캐닝을 수립할 때 가장 중요한 고려 사항은 무엇입니까?
정답: B
The scanning will not degrade system performance. This is the most important consideration when establishing vulnerability scanning on critical IT infrastructure, because any degradation of system performance could affect the availability, reliability, and functionality of the IT services that depend on the infrastructure. Scanning during non-peak hours (A) could reduce the impact of scanning on system performance, but it does not guarantee that the scanning will not cause any degradation. Scanning followed by penetration testing (B) could provide more in-depth information about the vulnerabilities and their exploitability, but it does not address the potential impact of scanning on system performance. Scanning cost- effectiveness is a relevant factor for choosing a scanning service or tool, but it is not as important as ensuring that the scanning will not compromise the system performance.
Reference: CISA Vulnerability Scanning, Description.
Reference: CISA Vulnerability Scanning, Description.
CISA-KR 문제 355
후속 감사에서 일부 관리 조치 계획이 시작되지 않은 것으로 밝혀진 경우 IS 감사인은 가장 먼저 무엇을 해야 합니까?
정답: C
The first thing that an IS auditor should do when a follow-up audit reveals some management action plans have not been initiated is to escalate the lack of plan completion to executive management. This is because the failure to implement the agreed management action plans may indicate that the management is not taking the audit findings and recommendations seriously, or that they are accepting too much risk by not addressing the identified issues. Escalating the lack of plan completion to executive management can help to raise awareness and accountability, as well as to seek support and intervention to ensure that the management action plans are executed in a timely and effective manner12.
Confirming whether the identified risks are still valid is not the first thing to do, although it may be a useful step to reassess the current situation and the potential impact of not implementing the management action plans. However, confirming the validity of the risks does not address the root cause of why the management action plans have not been initiated, nor does it provide any assurance or remediation for the unresolved issues34.
Providing a report to the audit committee is not the first thing to do, although it may be a necessary step to communicate and document the results of the follow-up audit. However, providing a report to the audit committee does not guarantee that the management action plans will be initiated, nor does it resolve any conflicts or challenges that may prevent the management from implementing them34.
Requesting an additional action plan review to confirm the findings is not the first thing to do, although it may be a prudent step to verify and validate the accuracy and completeness of the follow-up audit. However, requesting an additional review may delay or defer the implementation of the management action plans, as well as consume more internal audit resources and time
Confirming whether the identified risks are still valid is not the first thing to do, although it may be a useful step to reassess the current situation and the potential impact of not implementing the management action plans. However, confirming the validity of the risks does not address the root cause of why the management action plans have not been initiated, nor does it provide any assurance or remediation for the unresolved issues34.
Providing a report to the audit committee is not the first thing to do, although it may be a necessary step to communicate and document the results of the follow-up audit. However, providing a report to the audit committee does not guarantee that the management action plans will be initiated, nor does it resolve any conflicts or challenges that may prevent the management from implementing them34.
Requesting an additional action plan review to confirm the findings is not the first thing to do, although it may be a prudent step to verify and validate the accuracy and completeness of the follow-up audit. However, requesting an additional review may delay or defer the implementation of the management action plans, as well as consume more internal audit resources and time
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