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The Red Hat Certified Specialist in Performance Tuning exam (EX442) tests your ability to use standard system tools to analyze the performance of Red Hat® Enterprise Linux® and its applications. The offering also validates the knowledge needed to use standard system tools and mechanisms to modify the behavior of the system and applications to improve performance.

By passing this exam, you become a Red Hat Certified Specialist in Performance Tuning, which also counts toward becoming a Red Hat Certified Architect (RHCA®). This exam is based on Red Hat Enterprise Linux 8.

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Description

Exam Name: Red Hat Certified Specialist in Performance Tuning exam

Exam Code: EX442

Duration: 240 minutes

Related certification: Red Hat Certified Specialist in Performance Tuning

Prerequisites for this exam

  • Be a Red Hat Certified System Architect (RHCSA®) or have comparable work experience and skills (RHCE would be even better)
  • Take Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud (RH442) or have extensive work experience in performance tuning
  • Review the objectives for this exam

EX442 Exam Topics

Use utilities to analyze system behavior

  • Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop, and others to analyze and report system and application behavior
  • Use utilities such as Performance Co-Pilot (PCP) to analyze system behaviour
  • Use utilities such as dmesg, dmidecode, and sosreport to profile system hardware configurations

Monitor and alter kernel behavior

  • Use /proc/sys, sysctl, and /sys to examine, modify, and set kernel run-time parameters
  • Configure kernel behavior by altering module parameters

Analyze system and application performance

  • Analyze system and application behavior using tools such as ps, top, and Valgrind
  • Configure systems to run SystemTap scripts
  • Use the eBPF family of tools (e.g. syscount, gethostlatency and others) to diagnose system and application behavior
  • Given multiple versions of applications that perform the same or similar tasks, choose which version of the application to run on a system based on its observed performance characteristics

Tune running systems

  • Alter process priorities of both new and existing processes
  • Select and configure tuned profiles
  • Manage system resource usage using control groups

Tune memory utilization

  • Configure systems to support alternate page sizes for applications that use large amounts of memory

Configure disk and file subsystems

  • Select proper I/O scheduling algorithm
  • Tune file system layout for a given use

Tune network performance

  • Calculate network buffer sizes based on known quantities such as bandwidth and round-trip time
  • Set system buffer sizes based on those calculations

Study Plan

Four Steps to Prepare & Pass the EX442 Exam
Step1: Before scheduling your exam, it’s better to confirm the exam & dump valid or invalid with SPOTOCLUB consultant and then make your further preparation study guide.
Step2: Purchase SPOTOCLUB EX442 Exam dumps and practice exam dump three to five days. If you make no fault on dumps/practice tests, you can schedule the exam.
Step3: Be encouraged to take the exam and pass on your first attempt.
Step4: If failed, confirm with service to get a free update of the dump.

How to Pass EX442 Exam
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FAQs

1. How long to get the product?

After payment, you will receive the dumps information/study materials by e-mail in 30 minutes.

2. Can I pass the EX442 exam with Q&As only?

Certainly sure! Our dumps are real exam questions & answers and you will face them from our exam. Our dumps 100% cover the real exam. If you practice our dumps, you will pass the exam successfully.

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We provide free updates during your service time. We recommend you practice dump at least three days.

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If your service period expires and you can pay the fee to extend your service period

7. What is the dump format?

The written dumps format is VCE, it is similar to real exam format; you can practice the written dumps on the remote server.

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SPOTO's Advantages

We Offer 100% Real and Valid EX442 Exam Study Materials to Ensure You Are Well Prepared and Pass the EX442 Exam in the 1st Try!

  • 100% Real EX442 Exam Questions &Answers
  • 100% Pass Rate supported by our candidates in the past
  • 7/24 Online Customer Support to solve all your problems and queries
  • Refund Guarantee or Free Service Extension if you failed the exam

Why Choose SPOTO?

SPOTO, founded in 2003, concentrates on IT Certification training and aims to help all candidates to prepare and pass Cisco CCNA, CCNP, CCIE Lab, PMP, AWS, PCNSC, Vmware, Red Hat and other IT exams in the first try. Over 17 years, SPOTO has helped tens of thousands of candidates achieve their IT certifications. With SPOTO, you can boost your salary and advance your IT career.

  • 17-Year IT Training Experience

SPOTO is the leader of IT certification training agencies with 17-year experience. We have helped thousands of candidates from the world to pass their IT exams in the first try. We are committed to providing the best IT training service for you!

  • Professional and Experienced IT Experts

We have an excellent teaching team consisting of experienced and well-known CCIE experts and other IT certification specialists. Besides, our professional tutors will solve your problems patiently at any time. Our outstanding teachers and tutors are highly praised by our candidates.

  • Highly Accurate and Cost-Effective Products

We offer less but real exam questions for you to pass the exam efficiently with less time. No other institute can compare this with us. Our study materials are 100% the same as the real exam. Our accuracy is the key to success and will save you lots of time. Sometimes, time is much more expensive than money.

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