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If you’ve been wondering what are some good IT pranks for April Fools’ Day—or any other time of the year—this is the post for you. Whether you’re an IT pro with decades of experience or a noob who is about to learn that holding CTRL+SHIFT+ESC is a faster way to access the task manager (you’re welcome), we have an IT prank for you.
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.
These technology job roles are proven to be essential during a crisis as enterprises scramble to change strategies and meet goals. The skills demonstrated by IT professionals in these 10 positions can make the difference between business success and failure, especially during a recession.
As IT departments struggle with skills gaps and businesses attempt to recovery economically from the COVID-19 pandemic, these 10 IT skills are essential to drive success. Job roles in these areas pay well, but decision-makers are struggling to find qualified candidates. If you’re looking to make an IT skills investment or start a new career path this year, these are the areas to consider.
While Apple has created many fine things, they were yet to be created themselves when Xerox PARC scientists created Media Access Control addresses. These MAC addresses are 48 bits or 6 bytes long, so they are also known as MAC-48 or EUI-48. EUI stands for Extended Unique Identifier. It is written in hexadecimal characters as shown below:
The key difference between hubs, switches and bridges is that hubs operate at Layer 1 of the OSI model, while bridges and switches work with MAC addresses at Layer 2 of the OSI model.
An quick fundamental overview of layer two devices. To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.
Learn about the five types of area networks.
Learn how to boost your visibility on LinkedIn by listing your skills and certifications and leveraging the courses you’ve taken for professional development. This is especially important to catch the eyes of recruiters and when applying for jobs.
Most Internet users don't realize that often a website or other service that seems slow to respond is actually working fine. Instead, it’s the resolution of DNS that is putting a glitch in your giddy up. Fortunately, there are several steps you can take to optimize your DNS to get better performance.