RedHat EX442 Q&A - in .pdf

  • EX442 pdf
  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
  • Updated: Sep 20, 2026
  • Q & A: 0 Questions and Answers
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  • Updated: Sep 20, 2026
  • Q & A: 0 Questions and Answers
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  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
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RedHat EX442 Exam Syllabus Topics:

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