Company XYZ is designing the network for IPv6 security and they have these design requirements:
* A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
* Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)

An enterprise campus is adopting a network virtualization design solution with these requirements It must include the ability to virtualize the data plane and control plane by using VLANs and VRFs It must maintain end-to-end logical path transport separation across the network resources available grouped at the access edge Which two primary models can this network virtualization design be categorized? (Choose two)

An engineer is designing the QoS strategy for Company XYZ. Based on initial analysis, a lot of scavenger type of traffic is traversing the network's 20Mb Internet link toward the service provider. The new design must use a QoS technique that limits scavenger traffic to 2 Mbps, which helps avoid oversubscription of the link during times of congestion. Which QoS technique can be used to facilitate this requirement?

An enterprise network has two core routers that connect to 200 distribution routers and uses full-mesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective?

Sometimes SDN leverages various overlay networking technologies to create layer(s) of network abstraction. What describes an overlay network?