2.1 Describe device virtualization technologies
2.1.a Hypervisor type 1 and 2
2.1.b Virtual machine
2.1.c Virtual switching
2.2 Configure and verify data path virtualization technologies
2.2.a VRF
2.2.b GRE and IPsec tunneling
2.3 Describe network virtualization concepts
2.3.a LISP
2.3.b VXLAN