Which two options can be used for this purpose?

Your manager comes and asks you how the VMs will be able to connect to the outside world. You
explain that there are two ways to connect to the network in vSphere. Which two options can be
used for this purpose? (Choose two.)

A.
Distributed Switch

B.
Standard Switch

C.
Virtual router

D.
Enhanced Switch

Explanation:
http://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vcli.examples.doc%2Fcli_manage_networks.11.2.html