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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.
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.
Here are five date points from the 2020 IT Skills and Salary Report that illustrate important trends in professional development, skills gaps, hiring and top-paying certifications.
There are two types of networks: those that have been hacked and those that will be. To defend against hacks, cyber professionals can benefit greatly from ethical hacking programs.
As organizations struggle to balance budgets and prioritize training, skills gaps are growing—75% of North American decision-makers report existing skills shortages. And the impacts are potentially disastrous. With so much on the line, initial and ongoing training are instrumental to project and organizational success.
For every organization, effective cybersecurity is reliant on a careful deployment of technology, processes and people. The Global Knowledge cybersecurity perspective features a three-tiered organizational matrix, ranging from foundational to expert skills, coupled with eight functional specializations that encompass the features of a successful cybersecurity organization.
It has been over three years since the last revision of the CompTIA Security+ exam back on May 1, 2014. In fall of 2017, the latest version, SY0-501, was released. This revamped exam retains the same six domains as established in SY0-401, which emphasizes security in three main areas: application, data, and host.
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.
In 2013, Cisco released their Software Defined Networking (SDN) solution for the data center known as Cisco Application Centric Infrastructure (ACI). For many years, the networking industry has been asking for an approach to configuring networking devices more efficiently than having to individually configure each and every router and switch.
If you want to stay relevant as an IT professional, you have two choices: evolve your current skills or make a big change.