RedHat EX442 valid study dumps : Red Hat Certified Specialist in Linux Performance Tuning exam

  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
  • Updated: Aug 18, 2026
  • Q&As: 0 Questions and Answers

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RedHat EX442 Exam Syllabus Topics:

SectionObjectives
System Performance Analysis- System resource monitoring and bottleneck identification
  • 1. CPU utilization analysis using standard Linux tools
    • 2. Memory usage and swap behavior analysis
      - Performance baseline establishment
      • 1. Using historical metrics to identify degradation
        • 2. Interpreting system load averages
          Memory Management- Memory leak detection
          • 1. OOM killer behavior analysis
            • 2. Process memory profiling
              - Virtual memory tuning
              • 1. Swap usage optimization
                • 2. Kernel memory parameters tuning
                  Disk I/O Performance- Storage performance analysis
                  • 1. Identifying I/O bottlenecks
                    • 2. iostat and iotop usage
                      - Filesystem tuning
                      • 1. Disk scheduler configuration
                        • 2. Mount options optimization
                          Network Performance Tuning- Network troubleshooting tools
                          • 1. Packet analysis basics
                            • 2. ss, netstat, and ip tools usage
                              - Network throughput optimization
                              • 1. Bandwidth and latency analysis
                                • 2. TCP tuning parameters
                                  CPU and Process Tuning- Process scheduling and prioritization
                                  • 1. CPU affinity and taskset configuration
                                    • 2. nice and renice usage
                                      - CPU performance optimization
                                      • 1. Load balancing across cores
                                        • 2. Identifying CPU-bound processes
                                          System Profiling and Kernel Tuning- Kernel parameter tuning
                                          • 1. cgroups resource management
                                            • 2. sysctl configuration
                                              - Performance profiling tools
                                              • 1. perf and sar usage
                                                • 2. Tracing system calls

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