Isaca Updated CISA Exam Questions and Answers by reign

The IS audit standard for proficiency states that the IS auditor must have the knowledge, skills and experience needed to perform the audit work. This implies that the IS auditor must be competent in both the technical and business aspects of the audit subject matter. Therefore, team member assignments must be based on individual competencies, so that each auditor can perform the tasks that match their qualifications and expertise. This will also ensure that the audit objectives are met and the audit quality is maintained.

Option B is incorrect because technical co-sourcing is not a requirement to meet the IS audit standard for proficiency. Co-sourcing is an option that may be used when the internal audit function lacks the necessary resources or skills to perform the audit work. However, co-sourcing does not guarantee that the new staff will acquire the proficiency needed for the audit. Moreover, co-sourcing may introduce additional risks and challenges, such as confidentiality, independence, communication and coordination issues.

Option C is incorrect because having a globally recognized audit certification does not necessarily mean that the standard for proficiency is met. A certification is an indication of the auditor’s knowledge and competence in a specific domain, but it does not cover all aspects of IS auditing. The auditor must also have relevant experience and continuous learning to maintain and enhance their proficiency. Furthermore, having one certified member does not ensure that the other members are also proficient.

Option D is incorrect because having a supervisor review the new auditors’ work is not sufficient to meet the IS audit standard for proficiency. A supervisor review is a quality assurance measure that helps to ensure that the audit work is performed in accordance with the standards and policies. However, a supervisor review does not substitute for the proficiency of the auditors who perform the work. The auditors must still have the necessary knowledge, skills and experience to conduct the audit tasks effectively and efficiently.

The most helpful thing for an IS auditor to review when evaluating an organization’s business processes that are supported by applications and IT systems is the enterprise architecture (EA). EA is the practice of designing a business with a holistic view, considering all of its parts and how they interact. EA defines the overall goals, the strategies that support those goals, and the tactics that are needed to execute those strategies. EA also outlines the ways various components of IT projects interact with one another and with the business processes. By reviewing the EA, an IS auditor can gain a comprehensive understanding of how the organization aligns its IT efforts with its overall mission, business strategy, and priorities. An IS auditor can also assess the effectiveness, efficiency, agility, and continuity of complex business operations.

The other options are not as helpful as option B. A configuration management database (CMDB) is a database that stores and manages information about the components that make up an IT system. A CMDB tracks individual configuration items (CIs), such as hardware, software, or data assets, and their attributes, dependencies, and changes over time. A CMDB can help an IS auditor to monitor the performance, availability, and configuration of IT assets, but it does not provide a holistic view of how they support the business processes. IT portfolio management is the practice of managing IT investments, projects, and activities as a portfolio. IT portfolio management aims to optimize the value, risk, and cost of IT initiatives and align them with the business objectives. IT portfolio management can help an IS auditor to evaluate the return on IT investments and the alignment of IT projects with the business strategy, but it does not provide a detailed view of how they support the business processes. IT service management (ITSM) is the practice of planning, implementing, managing, and optimizing IT services to meet the needs of end users and customers. ITSM focuses on delivering IT as a service using standardized processes and best practices. ITSM can help an IS auditor to review the quality, efficiency, and effectiveness of IT service delivery and support, but it does not provide a comprehensive view of how they support the business processes. References: What is enterprise architecture (EA)? - RingCentral, What is a configuration management database (CMDB)? - Red Hat, IT Portfolio Management Strategies | Smartsheet, What is IT service management (ITSM)? | IBM

Validation checks are a type of data quality control that helps to ensure the integrity of data for a system interface. Validation checks verify that the data entered or transferred between systems is correct, consistent, and conforms to predefined rules or standards. Validation checks can prevent or detect errors, anomalies, or inconsistencies in the data that may affect the system’s functionality, performance, or security.

Option C is correct because validation checks are a common and effective method of ensuring data integrity for a system interface. Validation checks can be performed at various stages of the data lifecycle, such as input, processing, output, or storage. Validation checks can also be applied to different types of data, such as data types, codes, ranges, formats, consistency, and uniqueness.

Option A is incorrect because system interface testing is a type of software testing that verifies the interaction between two separate systems or components of a system. System interface testing does not directly ensure the integrity of data for a system interface, but rather the functionality and reliability of the interface itself. System interface testing may use validation checks as part of its test cases, but it is not the same as validation checks.

Option B is incorrect because user acceptance testing (UAT) is a type of software testing that evaluates whether the system meets the user’s expectations and requirements. UAT does not directly ensure the integrity of data for a system interface, but rather the usability and acceptability of the system from the user’s perspective. UAT may use validation checks as part of its test scenarios, but it is not the same as validation checks.

Option D is incorrect because audit logs are records of events and activities that occur within a system or network. Audit logs do not directly ensure the integrity of data for a system interface, but rather provide evidence and accountability for the system’s operations and security. Audit logs may use validation checks as part of their analysis or reporting, but they are not the same as validation checks.

The first step in an incident response plan is typically preparation12. However, among the options provided, validating the incident would be the first step. This involves confirming that a security event is actually an incident3. It’s important to verify the event to avoid wasting resources on false positives.