CISA Exam Dumps - Isaca Certification Questions and Answers

When a data center is attempting to restore computing facilities at an alternative site following a disaster, the operating system should be restored FIRST. Here’s why:

1. Operating System (OS):

The OS is the foundation of any computing environment. It manages hardware resources, provides essential services, and allows applications to run.

Restoring the OS ensures that the infrastructure is operational and ready for further recovery steps.

Without a functional OS, applications cannot execute, and data backups cannot be effectively restored.

2. Data Backups:

While data backups are critical for recovery, they depend on a working infrastructure.

If the OS is not operational, restoring data backups becomes challenging.

Data backups should follow the OS restoration.

3. Applications:

Applications rely on the OS to function.

Restoring applications before the OS may lead to compatibility issues or incomplete functionality.

Applications should be restored after ensuring a stable OS environment.

4. Decision Support System (DSS):

DSS is an application category.

It should follow the restoration of both the OS and critical applications.

In summary, prioritize restoring the operating system, which forms the basis for subsequent recovery steps12. Once the OS is functional, proceed with data backups, applications, and other systems as needed.

The metric that would best measure the agility of an organization’s IT function is average time to turn strategic IT objectives into an agreed upon and approved initiative. IT agility is the ability of an IT function to respond quickly and effectively to changing business needs and opportunities. By measuring how fast an IT function can translate strategic IT objectives into actionable initiatives, such as projects or programs, an organization can assess how well its IT function can align with and support its business strategy. Average number of learning and training hours per IT staff member, frequency of security assessments against the most recent standards and guidelines, and percentage of staff with sufficient IT-related skills for the competency required of their roles are metrics that may indicate other aspects of IT performance, such as capability development, security maturity, and skills gap analysis, but they do not directly measure IT agility. References: ISACA Journal Article: Measuring IT Agility

 If an IS auditor finds that management did not address a prior period audit finding, the next course of action should be to interview management to determine why the finding was not addressed, as this would help to understand the root cause, the impact, and the risk level of the issue. Noting the exception in a new report, recommending alternative solutions, or conducting a risk assessment are possible subsequent steps, but they should not precede interviewing management. References: CISA Review Manual (Digital Version), Chapter 1, Section 1.6

 The best way to detect that a distributed denial of service (DDoS) attack is occurring is to use automated monitoring of logs. A DDoS attack disrupts the operations of a server, service, or network byflooding it with unwanted Internet traffic2. Automated monitoring of logs can help pinpoint potentialDDoS attacks by analyzing network traffic patterns, monitoring traffic spikes or other unusual activity, and alertingadministrators or security teams of any anomalies or malicious requests, protocols, or IP blocks3. Automated monitoring of logs can also help identify the source, type, and impact of the DDoS attack, and provide evidence for further investigation or mitigation.

The other options are not as effective as automated monitoring of logs for detecting DDoS attacks. Customer service complaints are an indirect and delayed indicator of a DDoS attack, as they rely onusers reporting problems with accessing a website or service. Customer service complaints may also be caused by other factors unrelated to DDoS attacks, such as server errors or network issues. Server crashes are an extreme and undesirable indicator of a DDoS attack, as they indicate that the server has already been overwhelmed by the attack and has stopped functioning. Server crashes may also result in data loss or corruption, service disruption, or reputational damage. Penetration testing is a proactive and preventive measure for assessing the security posture of a system or network, but it does not detect ongoing DDoS attacks. Penetration testing may involve simulating DDoS attacks to test the resilience or vulnerability of a system or network, but it does not monitor real-time traffic or identify actual attackers.

The recovery time objective (RTO) is the most important consideration when making a decision to invest in a hot site due to service criticality. The RTO is the maximum acceptable time that an IT service or process can be unavailable or disrupted before it causes significant damage to the business operations and objectives. A hot site is a fully equipped and operational backup facility that can be activated immediately in the event of a disaster or disruption. A hot site can help an organization achieve a very low RTO, as it can resume the service with minimal or no downtime. The maximum tolerable downtime (MTD) is the maximum acceptable time that an IT service or process can be unavailable or disrupted before it causes intolerable damage to the business operations and objectives. The MTD is usually longer than the RTO, as it represents the worst-case scenario. The recovery point objective (RPO) is the maximum acceptable amount of data loss that an IT service or process can tolerate in the event of a disaster or disruption. The RPO is measured in terms of time, such as hours or minutes, and indicates how frequently the data should be backed up or replicated. The mean time to repair (MTTR) is the average time that it takes to restore an IT service or process after a failure or disruption. The MTTR is a measure of the efficiency and effectiveness of the recovery process, but it does not reflect the service criticality or the business impact. References: IS Audit and Assurance Tools and Techniques, CISA Certification | Certified Information Systems Auditor | ISACA

 Version control is a process of managing changes to an application or a document. It ensures that only the latest approved version of the application is used by end-users, which reduces the risk of errors, inconsistencies, and unauthorized modifications. Version control also allows tracking the history of changes and restoring previous versions if needed. 

 The first step in the incident response process for a suspected breach is to research the validity of the alerted breach. An incident response process is a set of procedures that defines how to handle security incidents in a timely and effective manner. The first step in this process is to research the validity of the alerted breach, which means to verify whether the alert is genuine or false positive, to determine the scope and impact of the incident, and to gather relevant information for further analysis and action. Informing potentially affected customers of the security breach, notifying business management of the security breach, and engaging a third party to independently evaluate the alerted breach are also steps in the incident response process, but they are not the first step. References:

CISA Review Manual, 27th Edition, page 4251

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The best tool for detailed testing of a business application’s data and configuration files is an audit analytics tool. An audit analytics tool is a software that helps auditors to analyze large sets of data and identify anomalies, trends, and patterns that are relevant to the audit objectives. An audit analytics tool can also provide audit evidence and support the auditor’s professional judgment and conclusions.

Some of the benefits of using an audit analytics tool are:

It can improve the efficiency and effectiveness of the audit by reducing the time and effort required to perform manual tests and procedures.

It can enhance the quality and reliability of the audit by increasing the coverage and accuracy of the data analysis and testing.

It can enable the auditor to perform more complex and sophisticated tests and procedures that may not be possible or feasible with traditional methods.

It can help the auditor to discover new insights and risks that may not be apparent or detectable with traditional methods.

Some examples of audit analytics tools are:

IDEA: A data analysis software that allows auditors to import, analyze, and visualize data from various sources and formats. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford’s law, and regression analysis.1

ACL: A data analysis software that helps auditors to access, analyze, and report on data from various sources and formats. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford’s law, regression analysis, and scripting.2

TeamMate Analytics: A data analysis software that integrates with Microsoft Excel and provides auditors with a range of tools and functions to perform data analysis and testing. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford’s law, regression analysis, and scripting.3

SFTP (Secure File Transfer Protocol)is the most secure option for transferring data over the internet, as it encrypts both commands and data, ensuring confidentiality and integrity.

SFTP (Correct Answer – C)

Uses SSH (Secure Shell) for encryption.

Provides authentication and encryption for secure data transfers.

Example:A company uses SFTP to securely transmit payroll files to a third-party processor.

UDP (Incorrect – A)

Faster but lacks encryption and data integrity checks.

HTTP (Incorrect – B)

Transfers data in plaintext and is vulnerable to interception.

RDP (Incorrect – D)

Used for remote desktop access, not secure file transfers.

A mobile device awareness program would best enable an organization to address the security risks associated with a recently implemented bring your own device (BYOD) strategy. A mobile device awareness program is a set of activities that aim to educate and inform the employees about the benefits, challenges, and best practices of using their personal mobile devices for work purposes. A mobile device awareness program can help the organization to:

Communicate the organization’s policies and expectations regarding BYOD, such as which devices are allowed, what data can be accessed or stored, and what security measures are required.

Raise the employees’ awareness of the potential threats and vulnerabilities that affect their mobile devices, such as malware, phishing, data leakage, or device loss.

Provide the employees with guidance and tips on how to protect their mobile devices and the organization’s data, such as using strong passwords, encryption, antivirus software, remote wipe, or VPN.

Encourage the employees to report any incidents or issues related to their mobile devices, such as suspicious messages, unauthorized access, or device damage.

A mobile device awareness program can help the organization to reduce the security risks associated with BYOD by enhancing the employees’ knowledge, skills, and behavior in using their mobile devices securely and responsibly. Amobile device awareness program can also help the organization to comply with relevant regulations and standards that governdata privacy and security in the cloud1.

The other options are not as effective as a mobile device awareness program in enabling an organization to address the security risks associated with BYOD. Option A, mobile device tracking program, is a tool that allows the organization to monitor and locate the employees’ mobile devices in case of loss or theft. However, this tool may not prevent or detect other types of security risks, such as malware infection or data breach. Option B, mobile device upgrade program, is a process that ensures that the employees’ mobile devices are running the latest versions of operating systems and applications. However, this process may not address other aspects of security, such as user behavior or data protection. Option C, mobile device testing program, is a method that verifies the functionality and compatibility of the employees’ mobile devices with the organization’s systems and networks. However, this method may not cover all the scenarios or factors that may affect the security of the mobile devices or the organization’s data2.

Low-priority jobs typically involve non-critical processes or tasks that do not immediately impact business operations. The best approach to handling such jobs is to schedule them subject to resource availability. This ensures that high-priority tasks can access resources when needed without being affected by the execution of low-priority tasks.

Avoiding Low-Priority Jobs (Option A)is not feasible because even low-priority tasks may be necessary for maintenance or support activities.

Including Major Functions in Low-Priority Jobs (Option B)contradicts the classification of " low-priority " because major functions are usually critical.

Allocating Optimal Resources to Low-Priority Jobs (Option C)is inefficient as resources should primarily be allocated to high-priority tasks.

Scheduling based on resource availability optimizes the use of resources, avoids unnecessary delays in high-priority activities, and ensures that low-priority tasks are executed without disrupting overall operations. This aligns with best practices in IT resource management and scheduling.

The best recommendation for an organization that is unable to add new servers on demand in a cost-efficient manner is to build a virtual environment. A virtual environment is a technology that allows multiple virtual machines to run on a single physical server, sharing its resources and capabilities. A virtual environment can help the organization add new servers on demand in a cost-efficient manner by reducing the need for hardware acquisition, maintenance, and power consumption. The other options are not as effective as building a virtual environment, as they do not address the root cause of the problem or provide the same benefits. Increasing the capacity of existing systems is a short-term solution that can help improve the performance and availability of the current servers, but it does not enable the organization to add new servers on demand in a cost-efficient manner. Upgrading hardware to newer technology is a costly solution that can help enhance the functionality and reliability of the servers, but it does not enable the organization to add new servers on demand in a cost-efficient manner. Hiring temporary contract workers for the IT function is an irrelevant solution that can help supplement the IT staff’s skills and knowledge, but it does not enable the organization to add new servers on demand in a cost-efficient manner. References: CISA Review Manual (Digital Version), Chapter 3, Section 3.3.1

The most concerning issue associated with a data center’s CCTV surveillance cameras is that the recordings are not regularly reviewed. This means that any unauthorized access, theft, vandalism, or other security incidents may go unnoticed and unreported. CCTV recordings are a valuable source of evidence and deterrence for data center security, and they should be monitored and audited periodically to ensure compliance with policies and regulations. If the recordings are not reviewed, the data center may face legal, financial, or reputational risks in case of a security breach or an audit failure.

The other options are less concerning because they do not directly affect the security of the data center. CCTV cameras are not required to be installed in break rooms, as they are not critical areas for data protection. CCTV records can be deleted after one year, as long as they comply with the data retention policy of the organization and the applicable laws. CCTV footage does not need to be recorded 24 x 7, as long as there is sufficient coverage of the data center during operational hours and when access is granted to authorized personnel. References:

ISACA Journal Article: Physical security of a data center1

Data Center Security: Checklist and Best Practices | Kisi2

Video Surveillance Best Practices | Taylored Systems

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. 

If an IS audit reveals that an organization is not proactively addressing known vulnerabilities, the IS auditor should recommend that the organization assess the security risks to the business first, as this would help to prioritize the vulnerabilities based on their impact and likelihood, and determine the appropriate mitigation strategies. Verifying the disaster recovery plan (DRP) has been tested, ensuring the intrusion prevention system (IPS) is effective, and confirming the incident response team understands the issue are important steps, but they are not as urgent as assessing the security risks to the business. References: CISA Review Manual (Digital Version), Chapter 5, Section 5.6

A Disaster Recovery as a Service (DRaaS) provider is responsible for system recovery procedures, including restoring systems and services in a disaster scenario. This is the core functionality of DRaaS.

Stakeholder Communications (Option B):This is typically managed internally by the organization to ensure alignment with its crisis management plan.

Validation of Recovered Data (Option C):The organization must verify data integrity to meet business requirements.

Maintaining Currency of Data (Option D):While DRaaS may handle data backups, the organization retains responsibility for ensuring the relevance of the data being backed up.

The correct answer is D. be protected.

An emergency power-off switch must be available in an emergency, but it must also be protected from accidental or unauthorized activation. If someone accidentally presses the switch, or if a malicious person activates it, critical systems could be shut down and business operations could be disrupted.

Option A is incorrect because the switch must be identifiable in an emergency. Option B is not the best answer because remote accessibility could increase the risk of unauthorized shutdown. Option C is not ideal because dual control may delay action during an emergency. The best control is to make the switch identifiable and accessible to authorized personnel, while protecting it with a cover, guard, alarm, or restricted-access placement.

This maps to Protection of Information Assets , because physical and environmental controls support system availability and protect information processing facilities. ISACA’s CISA Exam Content Outline includes protection of information assets and related security controls under Domain 5. ( ISACA )

A data warehouse is a centralized repository of data that is collected from various sources and organized for analysis and reporting purposes. A data warehouse can help an organization gain insights into its business performance, trends, and opportunities. However, building a data warehouse requires careful planning, design, and implementation to ensure that it meets the needs of the organization.

One of the best practices that would provide management with the most reasonable assurance that a new data warehouse will meet the needs of the organization is A. Integrating data requirements into the system development life cycle (SDLC). The SDLC is a framework that defines the phases and activities involved in developing a software system, such as planning, analysis, design, testing, deployment, and maintenance1. By integrating data requirements into the SDLC, an organization can ensure that the data warehouse is aligned with the business objectives and expectations, and that it delivers value to the end users.

Some of the benefits of integrating data requirements into the SDLC are:

It helps to identify and prioritize the key business questions and metrics that the data warehouse should support2.

It helps to define and validate the data sources, models, structures, and quality standards that the data warehouse should follow3.

It helps to design and implement the data integration, transformation, and loading processes that the data warehouse should use4.

It helps to test and verify the functionality, performance, and accuracy of the data warehouse before deploying it to production.

It helps to monitor and maintain the data warehouse after deployment and incorporate feedback and changes as needed.

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.

The most likely application input control that would detect data input errors in the customer account number field during the processing of an accounts receivable transaction is a validity check. A validity check is a type of application control that verifieswhether the data entered in an application matches a predefined set of values or criteria1. For example, a validity check can compare the customer account number entered by the user with a list of existing customer account numbers stored in a database, and reject any input that does not match any of the valid values2.

The other options are not as likely to detect data input errors in the customer account number field, because they do not compare the input with a predefined set of values or criteria. A limit check is a type of application control that verifies whether the data entered in an application falls within a specified range or limit1. For example, a limitcheck can ensure that the amount entered for an invoice does not exceed a certainmaximum value2. A parity check is a type of application control that verifies whether the data entered in an application has an even or odd number of bits1. For example, a parity check can detect transmission errors in binary data by adding an extra bit to the data and checking whether the number of bits is consistent3. A reasonableness check is a type of applicationcontrol that verifies whether the data entered in anapplication is logical or sensible based on other related data or information1. Forexample, a reasonableness check can ensure that the date entered for an order is not in the future or before the date of creation of the customer account2. References:

What are application controls? Definition, examples and best practices1

General Control Vs Application Control: Key Differences and Example …4

Parity Check - an overview | ScienceDirect Topics

The first thing that an IS auditor should evaluate when reviewing an organization’s response to new privacy legislation is the analysis of systems that contain privacy components. Privacy components are elements of a system that collect, process, store, or transmit personal information that is subject to privacy legislation. An analysis of systems that contain privacy components should identify what types of personal information are involved, where they are located, how they are used, who has access to them, and what risks or threats they face. An analysis of systems that contain privacy components is essential for determining the scope and impact of the new privacy legislation on the organization’s systems and processes.

The other options are not as important as option D. An implementation plan for restricting the collection of personal information is a possible action, but not the first thing to evaluate, when reviewing an organization’s response to new privacy legislation. An implementation plan for restricting the collection of personal information is a document that outlines how an organization will comply with the principle of data minimization, which states that personal information should be collected only for specific and legitimate purposes and only to the extent necessary for those purposes. An implementation plan for restricting the collection of personal information should be based on an analysis of systems that contain privacy components. Privacy legislation in other countries that may contain similar requirements is a possible source of reference, but not the first thing to evaluate, when reviewing an organization’s response to new privacy legislation. Privacy legislation in other countries that may contain similar requirements is a set of laws or regulations that governs the protection of personal information in other jurisdictions that may have comparable or compatible standards or expectations as the new privacy legislation. Privacy legislation in other countries that may contain similar requirements may provide guidance or best practices for complying with the new privacy legislation. However, privacy legislation in other countries that may contain similar requirements should not be used as a substitute foran analysis of systems that contain privacy components. An operational plan for achieving compliance with the legislation is a possible deliverable, but not the first thing to evaluate, when reviewing an organization’s response to new privacy legislation. An operational plan for achieving compliance with the legislation is a document that describes how an organization will implement and maintain the necessary policies, procedures, controls, and measures to comply with the new privacy legislation. An operational plan for achieving compliance with the legislation should be derived from an analysis of systems that contain privacy components. References: Privacy law - Wikipedia, Data Protection and Privacy Legislation Worldwide | UNCTAD, Data minimization - Wikipedia

The most appropriate and effective fire suppression method for an un-staffed computer room is carbon dioxide (CO2). Carbon dioxide is a gaseous clean agent that extinguishes fire by displacing oxygen and reducing the combustion process. Carbon dioxide is suitable for un-staffed computer rooms because it does not leave any residue, damage, or corrosion on the electronic equipment, and it does not require water or other chemicals that could harm the environment or human health. However, carbon dioxide can pose a risk of asphyxiation to any person who may enter the computer room during or after the discharge, so proper safety precautions and warning signs should be in place.

The other options are not as appropriate or effective as carbon dioxide for an un-staffed computer room:

Water sprinkler. This is a common fire suppression method that uses water to cool down and extinguish fire. However, water sprinkler is not suitable for un-staffed computer rooms because it can cause severe damage to the electronic equipment, such as short circuits, corrosion, or data loss. Water sprinkler can also create a risk of electric shock to any person who may enter the computer room during or after the discharge.

Fire extinguishers. These are portable devices that contain a pressurized agent that can be sprayed on a fire to put it out. However, fire extinguishers are not effective for un-staffed computer rooms because they require manual operation by a trained person who can identify the type and location of the fire, and use the appropriate extinguisher. Fire extinguishers can also cause damage to the electronic equipment if they contain water or chemical agents.

Dry pipe. This is a type of sprinkler system that uses pressurized air or nitrogen in the pipes instead of water until a fire is detected. When a fire is detected, the air or nitrogen is released and water flows into the pipes and sprinklers. However, dry pipe is not ideal for un-staffed computer rooms because it still uses water as the extinguishing agent, which can damage the electronic equipment as mentioned above. Dry pipe also has a slower response time than wet pipe sprinkler systems, which can allow the fire to spread more quickly.

Operational log management primarily enhances security by enabling real-time monitoring and detection of anomalies within network data. Logs provide valuable information for identifying threats, investigating incidents, and ensuring compliance with security policies.

Predictive Analysis for User Experience (Option A):While logs may support analytics, this is not the primary benefit.

Performance Issue Identification (Option C):Logs can help identify performance issues, but the focus of operational log management is security.

Data Aggregation Using Unified Storage (Option D):This supports management but is secondary to the security benefits.

 The primary reason for an IS auditor to conduct post-implementation reviews is to determine whether project objectives in the business case have been achieved. A post-implementation review is an audit activity that evaluates whether a project has delivered its expected outcomes or benefits in accordance with its objectives, scope, budget, and schedule. A business case is a document that defines and justifies the need, value, and feasibility of a project. A post-implementation review can help assess whether project objectives in the business case have been achieved by comparing actual results with planned expectations and identifying any gaps or deviations. The other options are not primary reasons for conducting post-implementation reviews, as they do not measure whether project objectives in the business case have been achieved. Ensuring key stakeholder sign-off has been obtained is a project closure activity that confirms that all project deliverables have been completed and accepted by key stakeholders, but it does not evaluate whether project objectives in the business case have been achieved. Aligning project objectives with business needs is a project initiation activity that ensures that the project is aligned with the organization’s strategy, goals, and priorities, but it does not evaluate whether project objectives in the business case have been achieved. Documenting lessons learned to improve future project delivery is a project learning activity that captures and shares the knowledge, experience, and feedback gained from the project, but it does not evaluate whether project objectives in the business case have been achieved. References: CISA Review Manual (Digital Version), Chapter 3, Section 3.3

The most significant benefit of implementing a control self-assessment (CSA) program and leveraging the internal audit function to test its internal controls annually is that risks are detected earlier. A CSA program is a process that enables business owners and managers to assess and improve their own internal controls on a regular basis, without relying on external auditors or consultants. A CSA program can help identify and mitigate risks, enhance performance, increase accountability, and foster a culture of control within the organization. By leveraging the internal audit function to test its internal controls annually, a small business unit can also obtain independent assurance and validation of its CSA results, as well as recommendations for improvement. This approach can help reduce compliance costs, as external audits may be less frequent or extensive. However, this is not the most significant benefit, as compliance costs are only one aspect of the total cost of risk. Business owners can also focus more on their core roles, as they can delegate some of their control responsibilities to their staff or teams through CSA. However, this is not the most significant benefit, as business owners still need to oversee and monitor their CSA activities and results, and ensure that they align with their strategic objectives and priorities. Line management may also be more motivated to avoid control exceptions, as they are directly involved in assessing and improving their own controls through CSA. However, this is not the most significant benefit, as motivation alone may not be sufficient to ensure effective control design and operation. References: Info Technology and Systems Resources | COBIT, Risk, Governance … - ISACA, IT Governance and Process Maturity

 The most important thing for an IS auditor to look for in a project feasibility study is an assessment of whether the expected benefits can be achieved. A project feasibility study is a preliminary analysis that evaluates the viability and suitability of a proposed project based on various criteria, such as technical, economic, legal, operational, and social factors. The expected benefits are the positive outcomes and value that the project aims to deliver to the organization and its stakeholders. The IS auditor should verify whether the project feasibility study has clearly defined and quantified the expected benefits, and whether it has assessed the likelihood and feasibility of achieving them within the project scope, budget, schedule, and quality parameters. The other options are also important for an IS auditor to look for in a project feasibility study, but not as important as an assessment of whether the expected benefits can be achieved, because they either focus on specific aspects of the project rather than the overall value proposition, or they assume that the project will be implemented rather than evaluating its viability. References: CISA Review Manual (Digital Version)1, Chapter 4, Section 4.2.1

The best assurance is obtained by verifying a sample of critical fields. If the question is specifically about encryption at the database level, the auditor should test the actual data elements in the database that are expected to be encrypted. ISACA privacy and data-protection guidance discusses encryption of sensitive data fields as a protection mechanism, which supports validating field-level protection directly.

Option C is correct because it provides direct evidence that sensitive database fields are actually encrypted. This is stronger than reviewing policies or peripheral settings because it tests the implemented control itself.

Option A is incorrect because drive settings usually relate to disk or full-volume encryption on the host server, not necessarily to database-level encryption of specific sensitive fields.

Option B is incorrect because checking network traffic for clear text transmissions only helps verify encryption in transit, not whether the data is encrypted within the database.

Option D is incorrect because a policy only states intent or requirement. It does not prove the database is actually encrypting sensitive fields.

Therefore, C is the best answer because direct verification of sensitive fields provides the strongest assurance that encryption is implemented at the database level.

References (Official ISACA):

ISACA Journal, Practical Data Security and Privacy for GDPR and CCPA — discusses encryption of sensitive client data fields.

ISACA Journal, Privacy-Preserving Analytics and Secure Multiparty Computation — discusses encryption of sensitive data fields throughout the data life cycle.

ISACA, Cloud Data Sovereignty: Governance and Risk Implications of Cross-Border Cloud Storage — distinguishes encryption at rest and in transit, supporting why network checks alone are insufficient for database-level assurance.

Full disk encryption (FDE) is a means of protecting information by encrypting all of thedata on a disk, including temporary files, programs, and system files1. FDE is best suited for addressing the risk scenario of physical theft of media on which information is stored, as it prevents unauthorized access to the data even if the device is lost or stolen2. FDE does not prevent data leakage as a result of employees leaving to work for competitors, as they may still have access to the data while using the device or copy the data to another device before leaving. FDE does not prevent noncompliance fines related to storage of regulated information, as it does not ensure that the data is stored in accordance with the applicable laws and regulations. FDE does not prevent unauthorized logical access to information through an application interface, as it does not control the access rights and permissions of users and applications. *References: According to the ISACA IT Audit and Assurance Standards, Guidelines and Tools and Techniques for IS Audit and Assurance Professionals, section 2402 Planning, “The IS audit and assurance professional should identify and assess risk relevant to the area under review.” 3 Oneof the risk factors to consider is “the sensitivity of information processed, stored or transmitted by the system” 3. FDE is one of the possible controls to mitigate the risk of unauthorized disclosure of sensitive information due to physical theft of media.

Recovery facilities providing a redundant combination of Internet connections to the local communications loop is an example of last-mile circuit protection. Last-mile circuit protection is a type of telecommunications continuity that ensures the availability and redundancy of the final segment of the network that connects the end-user to the service provider. The local communications loop, also known as the local loop or subscriber line, is the physical link between the customer premises and the nearest central office or point of presence of the service provider. Byhavingmultiple Internet connections from different providers or technologies, such as cable, DSL, fiber, wireless, or satellite, the recoveryfacilities can avoid losing connectivity in case one of the connections fails or is disrupted by a disaster5.

Data caching is the most likely cause of poor performance, data inconsistency and integrity issues in an IT application, because it involves storing frequently accessed data in a temporary memory location (cache) to reduce the latency and bandwidth consumption of retrieving data from the original source. However, data caching can also introduce problems such as stale data (when the cache is not updated with changes made to the original source), cache coherence (when multiple caches store copies of the same data and need to be synchronized), and cache corruption (when the cache is damaged or tampered with).

Database clustering is not a likely cause of poor performance, data inconsistency and integrity issues, because it involves distributing data across multiple servers or nodes to improve availability, scalability and load balancing of database operations. Database clustering can also enhance data consistency and integrity by using replication and synchronization mechanisms to ensure that all nodes have the same view of the data.

Reindexing of the database table is not a likely cause of poor performance, data inconsistency and integrity issues, because it involves rebuilding or reorganizing indexes on tables or views to improve query performance and reduce fragmentation of index pages. Reindexing can also improve data consistency and integrity by ensuring that indexes reflect the current state of the data in the tables or views.

Load balancing is not a likely cause of poor performance, data inconsistency and integrity issues, because it involves distributing workloads across multiple servers or resources to optimize resource utilization, throughput and response time of applications. Load balancing can also enhance data consistency and integrity by using algorithms and protocols to route requests to the most appropriate server or resource based on availability, capacity and performance.

 The most reliable way for an IS auditor to evaluate the operational effectiveness of an organization’s data loss prevention (DLP) controls is to verify that confidential files cannot be transmitted to a personal USB device. This is because DLP controls are designed to prevent the loss, leakage or misuse of sensitive data through breaches, ex-filtration transmissions and unauthorized use1. A personal USB device is a common way for data to be stolen or compromised, as it can bypass network security measures and allow unauthorized access to confidential files. Therefore, testing the DLP controls by attempting to copy or transfer confidential files to a personal USB device can provide a direct and objective evidence of whether the DLP controls are working as intended or not.

The other options are less reliable ways for an IS auditor to evaluate the operational effectiveness of an organization’s DLP controls. Reviewing data classification levels based on industry best practice is a way to assess the adequacy of the organization’s data protection policies, but it does not measure how well the DLP controls are implemented or enforced in practice. Verifying that current DLP software is installed on all computer systems is a way to check the technical configuration of the DLP solution, but it does not test how well the DLP software detects and prevents data loss incidents in real scenarios. Conducting interviews to identify possible data protection vulnerabilities is a way to gather qualitative information from stakeholders, but it does not provide quantitative or empirical data on the actual performance of the DLP controls.

 When reviewing an enterprise architecture (EA) department’s decision to change a legacy system’s components while maintaining its original functionality, an IS auditor should understand the current business capabilities delivered by the legacy system, as this would help to evaluate whether the change is justified, feasible, and aligned with the business goals and needs. The proposed network topology to be used by the redesigned system, the data flows between the components to be used by the redesigned system, and the database entity relationships within the legacy system are technical details that are less relevant for an IS auditor to understand when reviewing this decision. References: CISA Review Manual (Digital Version), Chapter 3, Section 3.2

Performing user acceptance testing (UAT) is the most important activity before implementing a new system, as it ensures that the system meets the user requirements and expectations, and that it is free of major defects. Documenting last-minute enhancements, performing a pre-implementation audit, and ensuring that code has been reviewed are also important activities, but they arenot as critical as UAT. References: CISA Review Manual (Digital Version), Chapter 4, Section 4.2.2

The most important aspect of an incident response management program is the ability to detect incidents in a timely and accurate manner. Without effective detection, the organization cannot respond to incidents, mitigate their impact, or prevent their recurrence. The alerting tools and incident responseteam are responsible for monitoring the IT environment, identifying anomalies or threats, and notifying the appropriate stakeholders.

References

ISACA CISA Review Manual, 27th Edition, page 255

What is an incident response plan? And why do you need one?

ISACA CISA Certified Information Systems Auditor Exam … - PUPUWEB

Compared to developing a system in-house, acquiring a software package means that the need for testing by end users is unchanged. This is because end users are still the ultimate customers and beneficiaries of the system, and they need to ensure that the software package meets their requirements, expectations, and satisfaction. End user testing, also known as user acceptance testing (UAT) or beta testing, is the final stage of testing performed by the user or client to determine whether the software can be accepted or not1. Enduser testing is important for both in-house developed and acquired software packages, as it helps to verify the functionality, usability, performance, and reliability of the system2. End user testing also helps to identify and resolve any defects, errors, or issues that may not have been detected by the developers or vendors3.

Therefore, option B is the correct answer.

Option A is not correct because end user testing is not eliminated by acquiring a software package. Even though the software package may have been tested by the vendor or supplier, it may still have bugs, compatibility issues, or configuration problems that need to be fixed before deployment4. Option C is not correct because end user testing is not increased by acquiring a software package. The scope and extent of end user testing depend on various factors, such as the complexity, criticality, and customization of the system, and not on whether it is developed in-house or acquired. Option D is not correct because end user testing is not reduced by acquiring a software package. The software package may still require modifications or integrations to suit the specific needs and environment of the organization, and these changes need to be tested by the end users.

 The auditor’s best recommendation prior to go-live is to conduct a mock conversion test. This is because a mock conversion test can help to verify the accuracy, completeness, and validity of the data conversion process. A mock conversion test can also help to identify and resolve any issues or errors before the actual conversion takes place. A mock conversion test can also provide assurance that the converted data meets the business requirements and expectations. References:

CISA Review Manual (Digital Version), Chapter 3, Section 3.3.21

CISAOnline Review Course, Domain 2, Module 2, Lesson 22

The correct answer is C. Remediation and retesting.

ISACA guidance explains that penetration testing identifies exploitable weaknesses and provides guidance to address them. Once findings are identified, the next logical and control-appropriate step is to remediate the weaknesses and then retest to confirm they have been effectively resolved.

Option A is not the best next step because vulnerability scanning may supplement testing, but after a completed penetration test with findings, the priority is to fix what was found and verify closure.

Option B may be part of root cause work, but it is not the primary next step.

Option D is important from an information-handling perspective, but it does not address the control weaknesses identified by the test.

Therefore, the correct answer is C, because findings from a penetration test should drive remediation followed by retesting to validate that the identified weaknesses have been corrected.

References (Official ISACA):

ISACA, The Future of Cybersecurity Assessments Is Here — VAPT identifies weaknesses and provides guidance to address them.

ISACA, Taking a Risk-Based Approach to Pen Testing — findings should be evaluated and acted on according to business impact.

ISACA, Smarter Testing Equals Safer Digital Experiences — findings should be assessed for exploitability and impact, supporting focused remediation.

The best way to provide assurance that a project is adhering to the project plan is to conduct compliance audits at major system milestones. A compliance audit is a systematic and independent examination of the project’s activities, documents, and deliverables to determine whether they conform to the project plan and its specifications, standards, and requirements1. A major system milestone is a significant point or event in the project’s life cycle that marks the completion of a phase, stage, or deliverable2.

By conducting compliance audits at major system milestones, the auditor can provide assurance that the project is adhering to the project plan by:

Verifying that the project’s scope, schedule, budget, quality, and risks are aligned with the project plan and its objectives1

Identifying any deviations, discrepancies, or non-compliances that may affect the project’s performance or outcome1

Recommending and monitoring corrective and preventive actions to address the identified issues and improve the project’s compliance1

Reporting and communicating the audit findings, conclusions, and recommendations to the relevant stakeholders1

The other options are not as effective as conducting compliance audits at major system milestones for providing assurance that the project is adhering to the project plan. Requiring design reviews at appropriate points in the life cycle is a useful technique for ensuring that the project’s design meets the user and business requirements and follows the design standards and best practices3. However, design reviews are not sufficient for providing assurance that the project is adhering to the project plan, as they do not cover other aspects of the project such as schedule, budget, quality, or risks. Having an IS auditor participate on the steering committee is a possible way for providing assurance that the project is adhering to the project plan, as the auditor can provide independent advice and oversight to the steering committee on quality management issues and remediation efforts4. However, this may not be feasible or appropriate for every project, as it may create a conflict of interest or compromise the auditor’s objectivity and independence. Having an IS auditor participate on the quality assurance (QA) team is another possible way for providing assurance that the project is adhering to the project plan, as the auditor can assist the QA team in implementing procedures to facilitate adoption of quality management best practices5. However, this may also not be feasible or appropriate for every project, as it may create a conflict of interest or compromise the auditor’s objectivity and independence. Therefore, option D is the correct answer.

 A corrective control is a control that aims to restore normal operations after a disruption or incident has occurred. Executing emergency response plans is an example of a corrective control, as it helps to mitigate the impact of an incident and resume business functions. Separating equipment development testing and production is a preventive control, as it helps to avoid errors or unauthorized changes in production systems. Verifying duplicate calculations in data processing is a detective control, as it helps to identify errors or anomalies in data processing. Reviewing user access rights for segregation is also a detective control, as it helps to detect any violations of segregation of duties principles. References: ISACA, CISA Review Manual, 27th Edition, 2018, page 64

The lack of system documentation should be of most concern to an IS auditor reviewing the information systems acquisition, development, and implementation process. This is because system documentation is a vital source of information that describes the system’s purpose, functionality, design, architecture, testing, deployment, operation, and maintenance. System documentation helps the IS auditor to understand and evaluate the system’s quality, performance, security, compliance, and alignment with the business requirements and objectives. Without system documentation, the IS auditor may not be able to perform a thorough and effective audit of the system, aswell as identify any issues or risks that may affect the system’s reliability or integrity12.

Data owners are not trained on the use of data conversion tools is not the most concerning issue, although it may indicate a lack of user readiness or competence for the system implementation. Data conversion tools are software applications that help users to transform data from one format or structure to another, such as from legacy systems to new systems. Data owners are users who have the responsibility and authority to manage and control the data within their domain. Data owners should be trained on how to use data conversion tools to ensure that the data is accurately and securely transferred to the new system, as well as to avoid any data loss, corruption, or inconsistency. However, data owners are not the only users who need training for the system implementation, and data conversion tools are not the only tools that need training34.

A post-implementation lessons-learned exercise was not conducted is not the most concerning issue, although it may indicate a lack of continuous improvement or learning culture for the system development and implementation process. A post-implementation lessons-learned exercise is a meeting or a session that takes place after the completion of a system implementation project, where the project team and stakeholders discuss and document the successes and failures of the project, as well as identify any best practices or areas for improvement for future projects. Apost-implementation lessons-learned exercise can help to enhance the project management skills, knowledge, and performance of the project team and stakeholders, as well as to avoid repeating the same mistakes or problems in future projects56.

System deployment is routinely performed by contractors is not the most concerning issue, although it may pose some challenges or risks for the system implementation process. System deployment is the final stage of the system development life cycle (SDLC), where the system is installed and configured on the target environment and made available for use by end-users. System deployment can be performed by internal staff or external contractors, depending on the availability, expertise, and cost of resources. System deployment by contractors may offer some benefits such as faster delivery, lower cost, or higher quality than internal staff. However, system deployment by contractors mayalso introduce some risks such as loss of control, dependency, or security breaches over the system implementation process

End-user computing (EUC) is a system in which users are able to create working applications besides the divided development process of design, build, test and release that is typically followed by software engineers1. Examples of EUC tools include spreadsheets, databases, low-code/no-code platforms, and generative AI applications2. EUC tools can provide flexibility, efficiency, and innovation for the users, but they also pose significant risks if not properly managed and controlled3.

The greatest risk when relying on reports generated by EUC is that the data may be inaccurate. Data accuracy refers to the extent to which the data in the reports reflect the true values of the underlying information4. Inaccurate data can lead to erroneous decisions, misleading analysis, unreliable reporting, and compliance violations. Some of the factors that can cause data inaccuracy in EUC reports are:

Lack of rigorous testing: EUC tools may not undergo the same level of testing and validation as IT-developed applications, which can result in errors, bugs, or inconsistencies in the data processing and output3.

Lack of version and change control: EUC tools may not have a clear record of the changes made to them over time, which can create confusion, duplication, or loss of data. Users may also modify or overwrite the data without proper authorization or documentation3.

Lack of documentation and reliance on end-user who developed it: EUC tools may not have sufficient documentation to explain their purpose, functionality, assumptions, limitations, and dependencies. Users may also rely on the knowledge and expertise of the original developer, who may not be available or may not have followed best practices3.

Lack of maintenance processes: EUC tools may not have regular updates, backups, or reviews to ensure their functionality and security. Users may also neglect to delete or archive obsolete or redundant data3.

Lack of security: EUC tools may not have adequate access controls, encryption, or authentication mechanisms to protect the data from unauthorized access, modification, or disclosure. Users may also store or share the data in insecure locations or devices3.

Lack of audit trail: EUC tools may not have a traceable history of the data sources, inputs, outputs, calculations, and transformations. Users may also manipulate or falsify the data without detection or accountability3.

Overreliance on manual controls: EUC tools may depend on human intervention to input, verify, or correct the data, which can introduce errors, delays, or biases. Users may also lack the skills or training to use the EUC tools effectively and efficiently3.

The other options are not as great as data inaccuracy when relying on EUC reports. Reports may not work efficiently, reports may not be timely, and historical data may not be available are all potential risks associated with EUC tools, but they are less severe and less frequent than data inaccuracy. Moreover, these risks can be mitigated by improving the performance, scheduling, and storage of the EUC tools. However, data inaccuracy can have a pervasive and lasting impact on the quality and credibility of the reports and the decisions based on them. Therefore, option A is the correct answer.

The primary reason an IS auditor would recommend replacing universal PIN codes with an RFID access card system at a data center is to improve traceability (A). Traceability is the ability to track and monitor the activities and movements of individuals or objects within a system or environment. Traceability is important for ensuring security, accountability, and compliance in a data center, where sensitive and critical data are stored and processed.

An RFID access card system can improve traceability by using RFID technology to verify and record the identity and access of each user who enters or exits the data center. RFID stands for Radio Frequency Identification, and it enables wireless communication between a reader and an RFID tag. An RFID tag is installed in a door key card or fob, which users use to gain access to the data center. An RFID reader is installed near the door, and it contains an antenna that receives data transmitted by the RFID tag. A control panel is a computer server that reads and interprets the data passed along by the RFID reader. A database is a storage system that stores the data collected by the control panel1.

An RFID access card system can provide several benefits for traceability, such as123:

It can uniquely identify each user and their access level, and prevent unauthorized access or impersonation.

It can record the date, time, and duration of each user’s access, and generate logs and reports for auditing purposes.

It can monitor the location and status of each user within the data center, and alert security personnel in case of any anomalies or emergencies.

It can integrate with other security systems, such as cameras, alarms, or biometrics, to enhance verification and protection.

A universal PIN code system, on the other hand, can compromise traceability by using a single or shared personal identification number (PIN) to grant access to multiple users. A universal PIN code system can pose several risks for traceability, such as4:

It can be easily guessed, stolen, shared, or compromised by malicious actors or insiders.

It can not distinguish between different users or their access levels, and allow unauthorized or excessive access.

It can not record or track the activities or movements of each user within the data center, and create gaps or errors in the audit trail.

It can not integrate with other security systems, and provide limited verification and protection.

Therefore, an IS auditor would recommend replacing universal PIN codes with an RFID access card system at a data center to improve traceability.

Risk-based auditing is an audit approach that focuses on the analysis and management of risk within an organization. Risk-based auditing helps identify and prioritize the areas or processes that pose the highest risk to the organization’s objectives and allocate audit resources accordingly. Risk-based auditing also helps provide assurance and advisory services related to the organization’s risk management processes and controls. By using risk-based auditing, internal auditors can optimize the use of their audit resources and add value to the organization.

Agile auditing, continuous auditing, and outsourced auditing are not audit approaches that are most helpful in optimizing the use of IS audit resources. Agile auditing is a flexible and iterative audit methodology that adapts to changing circumstances and stakeholder needs. Continuous auditing is a method of performing audit activities on a real-time or near-real-time basis using automated tools and techniques. Outsourced auditing is a practice of contracting external auditors to perform some or all of the internal audit functions. These audit methods may have some advantages or disadvantages depending on the context and objectives of the audit, but they do not necessarily optimize the use of IS audit resources.