300-745 Exam Dumps : Designing Cisco Security Infrastructure (300-745 SDSI) v1.0

In the provided exhibit of theCisco Secure Endpoint (formerly AMP for Endpoints)console, the "Activity Details" pane on the right side provides the specific reason why the malicious file was allowed to execute. The log clearly states:"The file was not quarantined. In audit only mode."This indicates that while the system correctly identified the file (iodnxvg.exe) as malicious and categorized it with a threat name (W32.DFC.MalParent), it took no preventative action because of the policy configuration.

In Cisco Secure Endpoint, policies can be set to different modes.Audit Modeis typically used during the initial deployment or testing phase to gain visibility into what would be blocked without actually disrupting business operations. In this mode, the connector logs events and alerts administrators but does not move the file to a secure quarantine area. To fulfill the requirement ofpreventingthe execution of malicious files, the security designer must change the policy from "Audit" to a protective mode, such asProtectorQuarantine. This ensures that the engine actively intervenes when a threat signature or suspicious behavior is detected.

While the file is confirmed as malicious (negating Option A) and the system is clearly active and logging (negating Option C), the lack of enforcement is a direct result of the specific operational mode selected. Option B is incorrect because, although network blocking is a feature, the primary failure here is at the file execution/quarantine layer. This scenario emphasizes the importance of moving from a visibility-centric posture to an enforcement-centric posture in a mature secure infrastructure design.

The requirement to restrict administrative tasks like "customer onboarding" to specific users based on their job function is a classic use case forRole-Based Access Control (RBAC). In the context of application security design, RBAC is the mechanism that maps a user's identity to a specific set of permissions within the application.

According to Cisco Security Infrastructure principles, RBAC ensures the principle ofleast privilegeby ensuring that an "Admin" role has access to onboarding functions, while a "Support" or "Standard User" role does not. This control is independent of the network layer and is enforced at the application or identity provider level. While aVPC(Option A) orSecurity Groups(Option C) provide network-layer isolation and can ensure the user is on the corporate network (by filtering IP ranges), they cannot distinguish between differentfunctionsoractionsperformed within the application once the connection is established. AService Mesh(Option D) is used for microservices communication and can provide some authorization, but RBAC is the primary architectural approach for defining "who can do what" within an application interface. Implementing RBAC allows the SaaS provider to secure sensitive administrative workflows, ensuring that only authorized personnel can modify customer data or system configurations.

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TheSarbanes-Oxley Act of 2002 (SOX)is a mandatory federal law that all publicly traded companies in the United States must comply with to ensure the accuracy and reliability of their corporate financial reporting. Within theCisco Security Infrastructure (300-745 SDSI)framework, SOX is a critical driver for designing secure architectures, particularly regardingaccess control, data integrity, and auditing. Sections 302 and 404 of the act are of particular importance to IT security teams, as they mandate that corporate officers certify the effectiveness of internal controls over financial reporting.

To satisfy SOX requirements, a security designer must implement robust logging and monitoring to ensure that financial data cannot be altered without authorization. Technologies such asCisco Identity Services Engine (ISE)for role-based access control andCisco XDRfor centralized visibility are often utilized to provide the necessary audit trails. UnlikeHIPAA(Option A), which focuses on protected health information, orFedRAMP(Option D), which applies to cloud service providers for the federal government, SOX is a broad financial regulatory requirement. WhileSOC(Option C) reports (such as SOC 2) are independent auditing standards often requested by businesses to verify service provider controls, they are not the federal law itself. Therefore, SOX remains the primary regulatory framework governing the security and integrity of financial reporting systems for public entities in the U.S.