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Here are five data points from the 2020 IT Skills and Salary Report that illustrate important trends in professional development, skills gaps, hiring and top-paying certifications.
Organizations rely on administrators to do a lot. If you’re admin reading this, you know this far too well.
With Multiprotocol Label Switching (MPLS) as popular as it is in the provider space and private MPLS clouds for larger enterprise, we needed some tools to help troubleshoot and maintain these networks. With the providers in mind, the normal ping or traceroute may not be enough.
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.
Let's start with defining the job of a cloud architect. You are responsible for planning, designing, migrating, and implementing cloud-based infrastructures, but the effectiveness of these specialists is not guaranteed.
These mistakes can be resume-updating events if you are not careful. Take the time to learn the skills of a cloud architect and both your career and your employer will benefit.
Early one morning, an engineer end user discovered that the Engineer servers were unreachable, and he didn’t know if he could reach the Internet. The administrator investigated the user’s PC with the IPCONFIG /ALL command and verified that the PC was a DHCP client, but it had received an address from the Accounting DHCP server, not the Engineering DHCP server.
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:
It is everyone’s job, not solely cybersecurity professionals, to consider how their work affects security.
Hackers are looking for your company’s network. Unless you are offline and have no internet connectivity, the company network is discoverable.