Resource Library

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

The Logical Volume Manager (LVM) is a powerful tool for managing storage on Linux servers. This video provides an overview of how LVM works and explores several ways that LVM makes storage management easier and more flexible. Examples include how to expand storage capacity on the fly using LVM and resize2fs, and how to migrate data from local storage to a storage area network (SAN) without downtime using pvmove.

Samuel Brown, project management instructor and consultant, has taught Global Knowledge courses for more than fifteen years. In this video clip, Samuel discusses Global Knowledge's unique and effective approach to helping students prepare for PMP certification.

Kirsten Lora, Global Knowledge Senior Product Director, discusses the benefits of our IT Project Management course.

Global Knowledge Course Director Samuel Brown introduces the Work Breakdown Structure and why it matters to project management.

Instructor John Harmon explains subnetting using binary numbers and decimal conversions.

Instructor John Harmon continues his explanation of subnetting by showing how subnet masks can be used to sub-divide networks.

There are several Wireless LAN Standards, including b, g, and n, which exist in the 2.4 GHz band. These standards need around 20 MHz of radio frequency in order to transmit their signals. In this video, Ben Miller discusses how to pick access points and channels for optimal performance.

The driver behind 802.11n is MIMO, or multiple input multiple output. This video explains how MIMO works to double your channel speed by sending two or more data streams over the same channel.

Global Knowledge Product Manager Tori Easterly discusses the benefits of our Understanding Networking Fundamentals course.