G4S Office Administrator Interview Questions and Answers

QRadar is a security information and event management (SIEM) solution that collects and analyzes security data from an organization's network.

• QRadar uses a distributed architecture with components like Event Processors, Flow Processors, and Data Nodes.

• Event Processors collect and process security events, while Flow Processors analyze network traffic.

• Data Nodes store the processed data for querying and reporting purpose...read more

Components of QRadar communicate with each other through various protocols and interfaces.

• QRadar components communicate using protocols like Syslog, SNMP, and REST API.

• Flow data is collected by QRadar components using NetFlow, sFlow, and other flow protocols.

• Event and log data is collected from various sources and normalized for analysis and correlation.

• Communication between components is facilitated through the QRadar...read more