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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).

Find available IT courses and certification training at Global Knowledge’s training center classrooms in Memphis. View course schedules and enroll now to advance your IT career!

Find available IT courses and certification training at Global Knowledge’s training center classrooms in Sacramento. View course schedules and enroll now to advance your IT career!

Receive expert IT training in a self-paced, online environment with convenient 24/7 access! Global Knowledge offers an interactive on-demand training experience for hundreds of IT and business courses. Gain new skills with our flexible on-demand class format designed to fit your schedule.

Find available IT courses and certification training at Global Knowledge’s training center classrooms in New York City. View course schedules and enroll now to advance your IT career!

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.