RedHat EX342 : Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam

  • Exam Code: EX342
  • Exam Name: Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam
  • Updated: Jul 21, 2026
  • Q & A: 0 Questions and Answers

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RedHat EX342 Exam Syllabus Topics:

SectionObjectives
System performance and resource issues- CPU, memory, and process analysis
  • 1. top, ps, and vmstat usage
    • 2. process troubleshooting and tuning
      Security and access troubleshooting- SELinux and permission issues
      • 1. file permission and access control issues
        • 2. SELinux context debugging
          Network troubleshooting- Network configuration and connectivity issues
          • 1. IP configuration and routing diagnostics
            • 2. DNS resolution troubleshooting
              Storage and filesystem troubleshooting- Disk and partition issues
              • 1. Filesystem corruption and repair
                • 2. LVM troubleshooting
                  System diagnostics and troubleshooting fundamentals- Log analysis and system debugging
                  • 1. journalctl and system logs interpretation
                    • 2. log file locations and analysis techniques
                      - Identifying and resolving system boot issues
                      • 1. GRUB2 troubleshooting
                        • 2. Systemd boot targets and failures

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