6 questions for “Incident Response”

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Information Technology

6 questions in 2 technologies

#QuestionTechnologyTopicLevel
1How can GuardDuty findings be automatically remediated using EventBridge and Lambda for a faster incident response? AWS › AWS Security Hub & GuardDutyAWSAWS Security Hub & GuardDutyIntermediate
2How should a security team design an end to end incident response workflow that integrates GuardDuty, Security Hub, EventBridge, and Step Functions for both automated triage and human escalation? AWS › AWS Security Hub & GuardDutyAWSAWS Security Hub & GuardDutyAdvanced
3How does the -XX:+HeapDumpOnOutOfMemoryError flag combined with the Eclipse Memory Analyzer's 'Leak Suspects' report help quickly triage a production OutOfMemoryError, and what's the typical first thing to check in the resulting analysis? Java › Garbage CollectionJavaGarbage CollectionIntermediate
4How would you use jstat to monitor GC activity and heap generation sizes for a running JVM process in real time, without needing a full profiling tool? Java › Garbage CollectionJavaGarbage CollectionIntermediate
5How would you diagnose a suspected thread deadlock in a running production JVM using a thread dump, and what specific information in the dump reveals the deadlock? Java › Concurrency & ThreadsJavaConcurrency & ThreadsAdvanced
6How would you determine whether an application is spending an excessive amount of time in garbage collection (GC overhead) relative to actual application work, and what JVM flags or tools help measure and diagnose this? Java › Garbage CollectionJavaGarbage CollectionAdvanced