C1000-156 Exam Dumps : IBM Security QRadar SIEM V7.5 Administration

The primary site for downloading software updates for IBM QRadar is IBM Fix Central. Here’s how it works:

IBM Fix Central: A centralized platform for downloading fixes, updates, and patches for IBM software products.

Accessing Updates: Administrators can log in to IBM Fix Central, select QRadar from the list of products, and download the necessary updates.

Regular Updates: Keeping QRadar updated with the latest fixes and patches ensures optimal performance and security.

ReferencesIBM QRadar SIEM documentation and support resources direct users to IBM Fix Central for downloading and applying software updates.

In IBM QRadar, the magnitude score of an offense is influenced by several parameters, one of which is credibility. Here’s a detailed explanation:

Magnitude Score: The magnitude score represents the severity and importance of an offense in QRadar. It is a composite score that helps prioritize incidents for investigation.

Credibility Parameter: Credibility assesses the reliability of the event source and the likelihood that the event represents a real threat. Higher credibility indicates that the source is reliable and the threat is more likely to be legitimate.

Contribution to Magnitude: The credibility parameter directly influences the magnitude score by weighting the offense higher if the credibility of the event ishigh. This ensures that more reliable and potentially more severe incidents are prioritized.

Credibility is one of the key factors used by QRadar to assess and prioritize security incidents, ensuring effective incident management.

ReferencesIBM Security QRadar SIEM and IBM Security QRadar EDR integration.pdf​

When creating an identity exclusion search in IBM QRadar SIEM V7.5, the time range selected is "Real time (streaming)." This setting ensures that the search continuously monitors and excludes identities in real-time as data is ingested. Here’s the process:

Real-time Monitoring: Continuously updates the search results based on incoming data, providing immediate exclusion of specified identities.

Streaming Data: Processes data in a live stream, ensuring that the exclusion criteria are applied instantaneously as new events occur.

ReferencesThe setup and configuration of identity exclusion searches are detailed in the QRadar SIEM administration guides, highlighting the importance of real-time streaming for effective identity management.