312-39 Exam Dumps : Certified SOC Analyst (CSA v2)

Dynamic rule optimization best explains a reduction in false positives and redundant alerts after adding AI to a SIEM. In SOC operations, alert fatigue often comes from static thresholds, overly broad correlations, and detections that don’t adapt to changing baselines (new business apps, seasonal activity, infrastructure changes). AI-driven dynamic optimization can tune thresholds, suppress noisy patterns, and adjust scoring based on context (user role, device posture, known maintenance windows, historical behavior). This reduces duplicate/low-value alerts while preserving or improving sensitivity for real threats, which aligns with “decrease in redundant alerts” and “faster detection of genuine threats.” Rule validation/testing improves quality but is usually a manual or pre-deployment activity, not a continuous adaptive capability. Automated rule generation might create new detections, but it doesn’t inherently reduce noise unless paired with tuning. Data integration enhancement improves coverage and correlation, but by itself it can increase alerts if not tuned. The described outcome—less noise, better precision, quicker true detection—matches adaptive tuning and optimization of detections over time, which is dynamic rule optimization.

URL encoding, also known as percent-encoding, is a mechanism for encoding information in a Uniform Resource Identifier (URI) under certain circumstances. When characters are not allowed in a URI, they are replaced with a percent sign (%) followed by two hexadecimal digits that represent the ASCII code of the character. For example, a space character is not allowed in a URI and is replaced with %20.

The Windows event that is logged when a user tries to access a “Registry” key is identified by the event ID 4657. This event ID corresponds to the modification of a registry value. Here’s how the process is tracked and logged:

Detection: The system monitors access to registry keys and values.

Logging: If a user accesses a registry key, and the key’s audit policy is set to log such events, the event is logged.

Event ID 4657: This specific event ID is used to denote that a registry value wasmodified, which includes creation, modification, and deletion of registry values.

Audit Policy: For the event to be logged, “Set Value” auditing must be enabled in the registry key’s System Access Control List (SACL).