Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)
A.
External Switch Tagging
B.
Private VLAN Tagging
C.
Virtual Switch Tagging
D.
VXLAN Tagging
E.
Virtual Guest Tagging
Explanation:
There are 3 types of tagging available in vSphere.
1.Virtual Switch Tagging (VST)
2.External Switch Tagging (EST)
3.Virtual Guest Tagging (VGT)
VLAN tagging is determined by the VLAN value specified at the port group and it tells the vSwitch or Phyiscal switch or Virtual machines to how to handle the VLAN
tagging.
http://www.vmwarearena.com/vlan-tagging-vst-est-vgt-on-vmware/