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The ability to interpret and understand IP addresses and subnet masks is critical for an IT professional. This skill is the foundation for troubleshooting numerous problems, from the assignment of an IP address to a host to routing problems to access-control list problems. It is also necessary for designing and configuring efficient IP networks.

Learn what Auto Scaling is, when to use it, and how to construct it.

Download the free 2020 IT Skills and Salary Report. The comprehensive guide to IT salaries, in-demand certifications, skills gaps, professional development and more.

Validate your skills and advance your career by annually renewing your Microsoft Certification.

Cloud computing is constantly reshaping the way we work, learn and play. Let's look at 10 ways the cloud will (and to a large degree already has) changed the world.

This white paper examines NIST's cloud definition in detail with real world case study examples to illustrate how it is applicable to today's cloud market landscape.

Examine some of the major tools listed in the PMBOK® Guide, find out how and where they're used, and see what it will take you, the project manager (PM), to learn how to use the tools.

Learn the five symbols are regularly used in PowerShell and their meanings.

David Willson discusses the best practices for reasonable security after learning from notable data breaches from different organizations. Learn more here.