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 The auditor should first escalate to audit management to discuss the audit plan. This is because the audit plan should be based on a risk assessment and aligned with the organization’s objectives and strategies. The auditor should not accept the CIO’s request without proper justification and approval from the audit management, who are responsible for ensuring the audit plan’s quality and independence. The auditor should also communicate the potential risks and implications of not conducting IS audits in the upcoming year, such as missing new or emerging threats, vulnerabilities, or compliance issues. References:

CISA Review Manual (Digital Version), Chapter 2, Section 2.11

CISA Online Review Course, Domain 1, Module 1, Lesson 22

The best way to mitigate the risk associated with unintentional modifications of complex calculations in end-user computing (EUC) is to execute copies of EUC programs out of a secure library. This will ensure that the original EUC programs are protected from unauthorized changes and that thecopies are run in a controlled environment. A secure library is a repository of EUC programs that have been tested, validated, and approved by the appropriate authority. Executing copies of EUC programs out of a secure library can also help with version control, backup, and recovery of EUC programs. Having an independent party review the source calculations, implementing complex password controls, and verifying EUC results through manual calculations are not as effective as executing copies of EUC programs out of a secure library, as they do not prevent or detect unintentional modifications of complex calculations in EUC. References: End-User Computing (EUC) Risks: A Comprehensive Guide, End User Computing (EUC) Risk Management

The most effective way to maintain network integrity when using mobile devices is to implement network access control. Network access control is a security control that regulates and restricts access to network resources based on predefined policies and criteria, such as device type, identity, location, or security posture. Network access control can help maintain network integrity when using mobile devices by preventing unauthorized or compromised devices from accessing or affecting network systems or data. The other options are not as effective as network access control in maintaining network integrity when using mobile devices, as they do not address all aspects of network access or security. Implementing outbound firewall rules is a security control that filters and blocks network traffic based on source, destination, protocol, or port, but it does not regulate or restrict network access based on device characteristics or conditions. Performing network reviews is a monitoring activity that evaluates and reports on the performance, availability, or security of network resources, but it does not regulate or restrict network access based on device characteristics or conditions. Reviewing access control lists is a verification activity that validates and confirms the access rights and privileges of network users or devices, but it does not regulate or restrict network access based on device characteristics or conditions. References: CISA Review Manual (Digital Version), Chapter 5, Section 5.2.2

The greatest concern when reviewing an IT strategic plan is B. The plan does not support relevant organizational goals. This is because an IT strategic plan should align and integrate the IT goals and objectives with the organization’s overall strategy and vision, and ensure that IT supports and enables the business processes and functions1. If the IT strategic plan does not support relevant organizational goals, it may lead to:

Suboptimal or negative outcomes and value for the organization, as IT investments and initiatives may not align with the organization’s priorities, needs, or expectations1.

Conflicts or inconsistencies between IT and business functions, as IT may not deliver the expected level of service, quality, or performance2.

Wasted or inefficient use of resources, as IT may spend time, money, or effort on projects or activities that are not relevant or beneficial for the organization2.