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The 2021 revised and updated version CISSP (Certified Information System Security Practitioner) certification exam will be released on May 1, 2021. This new version of the popular CISSP exam will include a modest revision and re-organization of previously included topics, but will integrate a significant number of new topics.

An quick fundamental overview of layer two devices.   To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.    

Explore how Azure provides easy-to-use services to help you get started with building Data and AI solutions. Learn about many areas of AI, including machine learning, and how many modern applications and services depend on predictive machine learning models. We will also talk about the fundamentals of database concepts in a cloud environment and how to build your foundational knowledge of cloud data services within Azure.

This webinar begins with a general introduction to Microsoft SQL Server editions and versions. We will then highlight several scalability features of SQL Server. Next we will look at the High Availability Options of SQL Server. Finally we will look at Azure SQL deployment and Availability solutions. View the slide deck>

This webinar will provide a high level overview of Microsoft SCCM 2012R2 and the new features available. You will learn day-to-day management tasks, including how to query data, manage applications, hardware and software inventory and software updates by using Configuration Manager. View the slide deck>

Here are 18 certification options, in no particular order, that are worth your effort based on site searches, feedback from subject matter experts and data in the Global Knowledge 2019 IT Skills and Salary Report.

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.

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.

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.