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Learn about system architecture with an emphasis on understanding the implications on system performance, methods for testing the effects of performance adjustments, open source benchmarking utilities, methods for analyzing system and networking performance, and tuning configurations for specific application loads.

Focus on the key tasks needed to become a full-time administrator of Red Hat Enterprise Linux 7. This official Red Hat course includes task-focused activities, lab-based knowledge checks, and facilitative discussions to ensure retention. Enroll in RH135 at Global Knowledge.

The Red Hat® Certificate of Expertise in Platform-as-a-Service (EX280K) Individual Exam Session tests your knowledge, skills, and ability to create, configure, and manage a cloud application platform using OpenShift Enterprise by Red Hat. 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.

This performance-based exam tests your ability to analyze Red Hat Enterprise Linux systems for common issues that may cause degradation or loss of performance and either correct the issues or gather forensic information that can be passed along to a third party.

In this report, review the 15 most popular certifications according to our more than 12,000 North American respondents to our annual IT Skills and Salary Survey. For each certification, you'll find a brief description, the average salary, and some insight into why it is popular.

What were the top paying certifications in 2016? Which certifications did people want credentials in? This article gives a look back to 2016 by providing a review of the 15 top-paying certifications.

Read more about the best IT skills to learn in 2014. Global Knowledge’s resource library features comprehensive articles and handy how-to lists.

Discover the value paradigm shift to investing in people, the benefits associated with developing the right skills, where critical skills are needed and the business drivers behind them. We also provide ideas on how to convert customers into assets through customer education. DOWNLOAD NOW >

Whether you’re a beginner or intermediate Python developer, you’ll want to keep this guide close to your keyboard and Python editors. In it, you’ll find sample use cases for many of the most common language constructs and tasks that you’ll likely need to perform, such as reading a file or working with a database.

Your comprehensive and global guide to what’s happening in the IT field. Get your free copy of the Global Knowledge 2018 IT Skills and Salary Report today and learn more about IT job salaries, highest-paying certifications and more!