You can only learn so much by reading. In order to become a Cisco pro and get the confidence you need to pass the Cisco certification exams, you need lots of hands-on practice as well! With NX SIM, you can gain that experience. Interact with a virtual Cisco Nexus 7010 switch via its terminal interface just like you would in the real world. Follow the 15 hands-on labs ( broken into 5 sections ) designed specifically for the Cisco 640-911 DCICN exam. ( Introducing Cisco Data Center Networking )