Red Hat Certificate of Expertise in Performance Tuning Exam (EX442)

The Red Hat® Certificate of Expertise in Performance Tuning Exam (EX442) is a performance-based test of the skills covered in Red Hat Enterprise Performance Tuning (RH442). To enroll in this exam, candidates must hold a current RHCE® certification.

This exam tests candidates ability to use standard system tools to analyze the performance of Red Hat Enterprise Linux® and applications running on Red Hat Enterprise Linux and to use standard system tools and mechanisms to modify the behavior of the system and applications for the purpose of improving system performance.


Classroom training

  • Exam candidates must have a current RHCE certification at the time of enrollment.

  • This exam is performance-based, meaning that candidates must perform tasks on a live system, rather than answering questions about how one might perform those tasks.

  • The hands-on nature of this exam make real-world experience a critical facet of preparation.

  • Exam results are emailed within 5 business days following the exam.

  • See recertification policies for more information regarding 'current' window for all credentials.

Length:4 hours ,  


Training units: 2


  • Experienced Linux system administrators responsible for maximizing resource utilization through performance tuning

  • An RHCE interested in earning a Red Hat Certification of Expertise or an RHCA certification


Exam candidates must:


In preparation to take this expertise exam, Red Hat recommends:

Training courses

Self study

This exam prepares you for these credentials:

RHCA certification incorporates the skills and knowledge of RHCDS plus advanced networking services security, system monitoring, and performance tuning.
Certificates of Expertise are incremental credentials attached to an RHCE certification that demonstrate skills and knowledge in specialized areas.