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In a properly designed IP network, a VLAN should map to a single broadcast domain, which should map to a unique IP network. For ease of troubleshooting, traffic from one VLAN should not reach another VLAN without an OSI Layer 3 device, such as a router.

The Information Technology Infrastructure Library is a set of best practices designed to describe common approaches for IT service management (ITSM).

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.

In this video, you'll learn how to utilize a great new feature of SQL Server 2008 called Policy Based Management for Multi-Server Management capabilities.

Global Knowledge Product Manager Tori Easterly discusses the benefits of our 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.

Global Knowledge Practice Leader, Craig Brown, explains what students will learn in our "Monitoring and Troubleshooting the Performance of a Windows Server Environment" workshop.

Michael Scarborough and Ryan Ballmer, co-authors of Global Knowledge ITIL courseware, discuss how to become an ITIL expert.