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Global Knowledge Course Director and Lab Topology Architect Joey DeWiele, a specialist in Unified Communications, explains the difference between Cisco's Call Manager Express & Call Manager.

The Project Management Professional (PMP) certification continues to be one of the most in-demand certifications worldwide. Learn how you can increase your salary, project success, and organizational value with this recorded webinar.

Get the Nutanix Certified Professional (NCP) Certification

The DASA DevOps Professional: Enable and Scale certification is designed to provide the core education necessary to put DevOps into practice.

This webinar will help participants enhance their personal and team productivity, while giving them more control over activities and information.

There are few (if any) networks in the world that do not implement NAT/PAT for IP version 4. IP version 6 will eliminate a lot of the need for NAT. Even though NAT is usually implemented as a firewalling function, it can be important on Cisco routers as well. From this, it is simple to conclude that understanding, designing, implementing, and troubleshooting NAT is a required skill for network engineers. The topic also appears in the CCNA examination in multiple questions and simulations.