QRadar SIEM V7.5 Admin case studies
QRadar SIEM V7.5 Admin · Put your knowledge to work in context.
QRadar SIEM V7.5 Administration is the administrator-level credential for security operations staff who install, configure, and keep an IBM QRadar deployment healthy. It suits SOC engineers, SIEM administrators, and platform owners who already work with log sources and rules and want formal recognition of the operational side: architecture, ingestion, network hierarchy, offense tuning, parsing, access control, backup and recovery, storage, and troubleshooting. Expect a multiple-choice and multiple-response exam that tests practical judgment rather than trivia. Scenario items often ask which setting you would change, in what order, and what side effect a change has; knowing the console menus helps, but reasoning about deployment topology and data flow matters more. The QRadar SIEM V7.5 Admin case studies are 5 cases and about 2,305 words.
1Retention pressure on a mixed event and flow deployment with a data node
QRadar 7.5.0 deployment: EP1 and EP2 each have 16 TB of /store/ariel, one FP, and one 12 TB data node. Licensed at 25,000 EPS; peak is 22,000 EPS.
471 words, about 2 min2Parsing a nested JSON audit feed with conflicting custom properties
A custom SaaS audit application sends JSON over syslog/TCP to a QRadar 7.5 Event Collector. Payload fields are nested: actor.name=jsmith, action=login, result=failure, src.ip=10.20.5.7, and a long session token.
471 words, about 2 min3Offense storm from a building block after a scanner change
An MSSP has a rule Offense-Failed-Login that fires when building block BB-Failed matches 10 Windows 4625 events in 5 minutes, grouped per source IP. BB-Failed excludes usernames svc backup and svc sql but nothing else.
481 words, about 2 min4FortiGate syslog arrives but the configured log source receives nothing
A FortiGate 100F sends syslog to a QRadar 7.5 Event Collector on UDP/514. The log source is configured as FortiGate, identifier fortigate-01.corp.local, enabled, with Coalescing Events selected.
444 words, about 2 min5HA failover succeeds but Ariel searches and offenses are stale
A QRadar 7.5 HA pair protects the Console and Event Processor. At 02:10 the primary node failed; the secondary took over.
438 words, about 2 min