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An IT certification is a recognized benchmark mapped to a specific skill set based on standardized testing. A certification demonstrates your dedication, motivation and technical knowledge on a specific platform.
Look back at the some of the highest paying IT certifications of 2020.
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.
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.
Learn about the five types of area networks.
An quick fundamental overview of layer two devices. To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.
Watch this recorded webinar to understand the basics of the Risk Management Framework (prescribed by NIST Standards) and how to begin to apply it.
Aside from plenty of laughs, “Groundhog Day” delivers powerful messages about change, love and being a good person. Phil is unable to break the time loop until he totally changes who he is. Unless you’re as selfish and heartless as Phil, by making incremental changes over time you’ll bring success to your life and career.
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.
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: