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RedHat EX442 Questions & Answers - in .pdf

EX442 pdf
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  • Vendor: RedHat
  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
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RedHat EX442 Q&A - Testing Engine

EX442 Study Guide
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  • Update: Aug 24, 2026
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  • Vendor: RedHat
  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
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RedHat EX442 Exam Overview:

Certification Vendor:Red Hat
Exam Name:Red Hat Certified Specialist in Linux Performance Tuning Exam
Exam Number:EX442
Real Exam Qty:Performance-based practical exam (no fixed question count)
Passing Score:Not publicly disclosed by Red Hat
Certificate Validity Period:3 years
Available Languages:English
Exam Format:Hands-on lab exam, Performance-based practical tasks
Related Certifications:Red Hat Certified Specialist in Performance Tuning
Red Hat Certified Architect (RHCA)
Exam Duration:240 minutes
Exam Price:Varies by region
Exam Way:Performance-based practical exam delivered at a Red Hat testing center, partner location, or eligible remote testing environment depending on regional availability.
Pre Condition:Red Hat recommends RHCSA certification or equivalent experience. RH442 Red Hat Enterprise Linux Performance Tuning course or extensive performance tuning experience is strongly recommended.
Official Syllabus URL:https://www.redhat.com/en/services/training/ex442-exame-do-red-hat-certified-specialist-linux-performance-tuning

RedHat EX442 Exam Syllabus Topics:

SectionObjectives
Tune Network Performance- Analyze network behavior
  • 1. Measure network throughput and latency
- Optimize network settings
  • 1. Tune network stack and configuration parameters
Tune Memory Utilization- Optimize memory performance
  • 1. Adjust memory-related settings
- Analyze memory usage
  • 1. Identify memory bottlenecks
Use Utilities to Analyze System Behavior- Use Performance Co-Pilot
  • 1. Analyze system behavior with PCP
- Analyze and report system and application behavior
  • 1. Collect and interpret performance metrics
  • 2. Use vmstat, iostat, mpstat, sar, top, powertop, gnome-system-monitor and similar tools
- Profile hardware configurations
  • 1. Use dmesg
  • 2. Use sosreport
  • 3. Use dmidecode
Analyze System and Application Performance- Trace and diagnose behavior
  • 1. Use eBPF tools
  • 2. Configure and use SystemTap
- Analyze processes and applications
  • 1. Use Valgrind
  • 2. Use ps and top
- Evaluate application performance
  • 1. Compare application implementations based on performance characteristics
Tune Running Systems- Control resource usage
  • 1. Manage control groups (cgroups)
- Manage process scheduling
  • 1. Modify process priorities
- Apply tuning profiles
  • 1. Configure and manage tuned profiles
Monitor and Alter Kernel Behavior- Configure kernel modules
  • 1. Modify kernel module parameters
- Manage kernel runtime parameters
  • 1. Use /proc/sys
  • 2. Use /sys
  • 3. Use sysctl
Configure Disk and File Subsystems- Analyze storage performance
  • 1. Evaluate disk I/O behavior
- Tune storage subsystems
  • 1. Optimize file system and storage performance
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