300-745 Dumps With Exact Questions and Answers

The scenario describes a typical "insider threat" involving data exfiltration . While the initial failure was likely in the off-boarding process (Identity Management), the technical control required to specifically "detect and restrict unauthorized data access and transfer" is a Data Loss Prevention (DLP) strategy . DLP solutions are designed to monitor, detect, and block sensitive data from leaving the organization's control.

A robust DLP strategy—integrated across Cisco platforms like Email Security (ESA) , Web Security (WSA) , and Cisco Umbrella —works by identifying sensitive content (such as customer lists, proprietary code, or financial data) using techniques like fingerprinting or keyword matching. If an unauthorized attempt is made to upload this data to a personal cloud drive or send it via email, the DLP engine intercepts and blocks the transfer. While Audit Logging (Option D) is essential for forensic investigation after the fact, it does not "restrict" the transfer in real-time. WAFs (Option A) protect against external attacks on web servers, and Network Policies (Option B) control traffic flow but generally lack the content-awareness required to identify sensitive business data. Implementing DLP ensures that the organization's intellectual property remains protected even if an account remains active or a user has legitimate network access.

In a smart factory environment, IoT devices often use specialized industrial protocols (like Modbus, PROFINET, or EtherNet/IP) and have limited built-in security. To meet the requirements of protecting these devices from network-based attacks while gaining visibility into communication patterns and detecting anomalies, an IPS/IDS (Intrusion Prevention/Detection System) is the most effective solution.

Modern Cisco Secure Firewall (NGFW) systems integrate advanced IPS/IDS capabilities that go beyond simple port-based filtering. They provide deep packet inspection (DPI) to identify specific IoT protocols and baseline "normal" behavior. When an IoT device suddenly begins communicating with an unknown external IP or attempts to use a command it has never used before, the IPS/IDS can trigger an alert or block the traffic as an anomaly.

While a Zone-Based Firewall (Option A) or a Traditional Firewall (Option C) can segment traffic and control access between zones, they generally lack the granular visibility and behavior-based anomaly detection required for IoT security. A Transparent Firewall (Option B) is a deployment mode that makes the firewall "invisible" at Layer 2, which is useful for insertion into existing networks but does not inherently provide the required anomaly detection. Therefore, IPS/IDS is the primary technology within the Cisco Security Infrastructure that addresses the need for signature-based protection combined with behavioral visibility for specialized IoT traffic.

========

In the aftermath of a security breach, forensic investigators rely on the Accounting portion of AAA (Authentication, Authorization, and Accounting) to reconstruct a timeline of events. While Authentication verifies identity and Authorization defines permissions, Accounting is the specific framework used to track user activity, including login/logout times and the specific commands executed during a session.

According to Cisco Security Infrastructure design objectives, implementing a centralized AAA solution (such as Cisco Identity Services Engine (ISE) or a TACACS+/RADIUS server) is critical for accountability. In this scenario, the engineer would query the AAA logs to identify exactly "who" accessed the sales system during the compromise period. SNMP (Option A) is primarily for network monitoring and performance data, not granular user access logs. NACM (Option B) is an access control model for NETCONF but doesn't provide the broad auditing required here. PKI (Option D) provides the certificates used for digital signatures and encryption but does not log the historical "session" data needed for the investigation. Therefore, AAA is the fundamental architectural requirement for ensuring non-repudiation and providing the audit trail necessary to satisfy risk management and incident response requirements.

========