Earners of this badge have learned a variety of topics important to network engineering. Learners will be able to show how QoS can be applied in IP based networks and give examples of when it might be appropriate to do so. Learners will also be able explain the security risks an IP network might face and discuss some of the techniques that might be used to protect the network. The learners will also be able to discuss the use of VPNs and the techniques used to manage them.