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 The most important benefit of involving IS audit when implementing governance of enterprise IT is providing independent and objective feedback to facilitate improvement of IT processes.Governance of enterprise IT is the process of ensuring that IT supports the organization’s strategy, goals, and objectives in an effective, efficient, ethical, and compliant manner. IS audit can provide value to governance of enterprise IT by assessing the alignment of IT with business needs, evaluating the performance and value delivery of IT, identifying risks and issues related to IT, recommending corrective actions and best practices, and monitoring the implementation and effectiveness of IT governance activities. IS audit can also provide assurance that IT governance processes are designed and operating in accordance with relevant standards, frameworks, laws, regulations, and contractual obligations. Identifying relevant roles for an enterprise IT governance framework is a benefit of involving IS audit when implementing governance of enterprise IT, but not the most important one. IS audit can help define and clarify the roles and responsibilities of various stakeholders involved in IT governance, such as board members, senior management, business units, IT function, external parties, etc. IS audit can also help ensure that these roles are aligned with the organization’s strategy, goals, and objectives, and that they have adequate authority, accountability, communication, and reporting mechanisms. However, this benefit is more related to the design phase of IT governance implementation than to the ongoing monitoring and improvement phase. Making decisions regarding risk response and monitoring of residual risk is a benefit of involving IS audit when implementing governance of enterprise IT, but not the most important one. IS audit can help identify and assess the risks associated with IT activities and processes, such as strategic risks, operational risks, compliance risks, security risks, etc. IS audit can also help evaluate the effectiveness of risk management practices and controls implemented by management to mitigate or reduce these risks. However, this benefit is more related to the assurance function of IS audit than to its advisory function. Verifying that legal, regulatory, and contractual requirements are being met is a benefit of involving IS audit when implementing governance of enterprise IT, but not the most important one. IS audit can help verify that IT activities and processes comply with applicable laws, regulations, and contractual obligations, such as data protection laws, privacy laws, cybersecurity laws, industry standards, service level agreements, etc. IS audit can also help identify and report any instances of noncompliance or violations that could result in legal or reputational consequences for the organization. However, this benefit is more related to the assurance function of IS audit than to its advisory function. References: ISACA CISA Review Manual 27th Edition, page 283

 The first thing that an IS auditor should review when finding that transaction processing times in an order processing system have significantly increased after a major release is stress testing results. Stress testing is a type of testing that evaluates how a system performs under extreme or abnormal conditions, such as high volume, load, or concurrency of transactions. Stress testing results can help explain why transaction processing times in an order processing system have significantly increased after a major release by revealing any bottlenecks, limitations, or errors in the system’s capacity, performance, or functionality under stress. The other options are not as relevant as stress testing results in explaining why transaction processing times in an order processing system have significantly increased after a major release, as they do not directly measure how the systemperforms under extreme or abnormal conditions. Capacity management plan is a document that defines and implements the processes and activities for ensuring that the system has adequate resources and capabilities to meet current and future demands. Training plans are documents that define and implement the processes and activities for ensuring that the system users have adequate skills and knowledge to use the system effectively and efficiently. Database conversion results are outcomes or outputs of transforming data from one format or structure to another to suit the system’s requirements or specifications. References: CISA Review Manual (DigitalVersion), Chapter 3, Section 3.3

Data loss can occur due to various reasons, such as accidental deletion, hardware failure, malware infection, theft, or unauthorized access. Data classification procedures can help to identify and protect sensitive data, but they are not sufficient to prevent data loss. The most effective way to protect against data loss is to conduct periodic security awareness training for employees, which can educate them on the importance of data security, the best practices for data handling and storage, and the common threats and risks to data. 

The best document for an IS auditor to use in detecting a weakness in segregation of duties is a process flowchart. A process flowchart is a diagram that illustrates the sequence of steps, activities, tasks, or decisions involved in a business process. A process flowchart can help detect a weakness in segregation of duties by showing who performs what actions or roles in a process, and whether there is any overlap or conflict of interest among them. The other options are not as useful as a process flowchart in detecting a weakness in segregation of duties, as they do not show who performs what actions or roles in a process. A system flowchart is a diagram that illustrates the components, functions, interactions, or logic of an information system. A data flow diagram is a diagram that illustrates how data flows from sources to destinations through processes, stores, or external entities. An entity-relationship diagram is a diagram that illustrates how entities (such as tables) are related to each other through attributes (such as keys) in a database. References: CISA ReviewManual (Digital Version), Chapter 3, Section 3.2