Which two methods can be used to migrate a virtual machine from a vNetwork Standard to a vNetwork Distributed Switch? (Choose two)

A.
Edit the virtual adapter settings for the ESXi host and select a dvPort group from the list.

B.
Migrate the port group containing the virtual machine from a vNetwork Standard Switch using the Migrate Virtual machine networking option.

C.
Use the Migrate Virtual machine networking option to select the virtual machine from a list of virtual machines.

D.
Edit the Network Adapter settings for the virtual machine and select a dvPort group from the list.

Explanation:
http://pubs.vmware.com/vsphere-50/index.jsp?topic=/com.vmware.vsphere.networking.doc_50/GUID-DFF61E3E-18E0-430A-8F4B-4560674863F2.html
or
Page 35 on vsphere-esxi-vcenter-server-50-networking-guide.pdf

Migrate Virtual Machines to Or from a vSphere Distributed Switch
In addition to connecting virtual machines to a distributed switch at the individual virtual machine level, you can migrate a group of virtual machines between a vSphere distributed switch network and a vSphere standard switch network.
Procedure
1. Log in to the vSphere Client and select the Networking inventory view.
2. Right-click the datacenter and select Migrate Virtual Machine Networking.
The Migrate Virtual Machine Networking wizard appears.
…
6 (Optional) Highlight a virtual machine or adapter to view their details.
7 Select the virtual machines and adapters to migrate to the destination network and click Next.