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What is the Difference Between Ethernet II and IEEE 802.3?

Article | Jan. 12, 2022

To understand the difference between Ethernet II and 802.3, you first must know how Ethernet works. While Ethernet cables transmit data, their role is relatively simple compared to that of the Ethernet card — also referred to as an adapter. It’s within the function of this card that you find the differences between Ethernet II and 802.3.

How Data is Delivered

Article | March 18, 2021

Every second of every day, data is being sent and received. Billions of data packets are processed by your company’s network every day. In fact, you received dozens of packets just to read this article, but the vast majority of us have no idea how this works. People have no clue as to what goes on behind the scenes to ensure data actually gets to the right device.

Everything You Need to Know About the 2021 CISSP Exam Changes

Article | March 05, 2021

The 2021 revised and updated version CISSP (Certified Information System Security Practitioner) certification exam will be released on May 1, 2021. This new version of the popular CISSP exam will include a modest revision and re-organization of previously included topics, but will integrate a significant number of new topics.

3 Steps for Implementing Business Analysis

Article | Sep. 17, 2020

Implementing business analysis (BA) in organizations needs to be done in a well-planned process. The three steps are contingent on the BA maturity of the organization, its vision for how BA will be used and the degree of executive sponsorship.

5 Most Popular IT Certifications for 2020

Article | May 11, 2020

While cybersecurity remains the most popular certification category in our IT Skills and Salary Report, foundational-level certifications highlight our list of the most popular IT certifications of 2020. 

How to Navigate the Transition to ITIL® 4

Article | March 19, 2019

Answer the questions posed in our ITIL Decision Tree to see if you should pursue ITIL 4. It’s easy-to-follow and no matter how you answer, it will provide a distinct next step for your ITIL journey.

ITIL is Updating: ITIL 4 Foundation Now Addresses Evolving Best Practices

Article | Feb. 04, 2019

The ITIL 4 update is the first since 2011, and will address the new processes, vocabulary, and methods used in modern IT, including DevOps, Agile, and Lean IT development.

Bridge Your Knowledge from ITIL v3 to ITIL 4

Article | Feb. 01, 2019

ITIL® 4 Foundation Bridge is a new Global Knowledge course that addresses the specific needs of professionals who have already achieved the ITIL v3 Foundation certification and wish to upgrade to ITIL 4. 

Four Reasons Why a DevOps Approach Complements ITIL

Article | Dec. 07, 2017

Unlike ITIL, DevOps is more of a philosophy than a formal framework. DevOps, which is short for Collaboration between Development and Operations, arose as a movement within IT best practices when IT managers began to realize that something needed to be done to close the communications and collaboration gap between development groups and support operations staff. After some time and examination, it became clear that there was no inherent conflict between the DevOps movement and ITIL—the two, in fact, are quite complementary.

Data Center ROI: The Good, the Bad and the Ugly

Article | Nov. 07, 2017

Data center return on investment – which is measured by time to cost savings, time to revenue, time to break even, etc. – has proven more elusive than expected. But that doesn’t mean it isn’t attainable. To understand the genesis of the bad and ugly parts of data center ROI, we need to recognize the good parts and appreciate why so many companies are putting their faith in new and unfamiliar technologies.