Which type of virtual machines can an existing pool contain when cloning an Automated Desktop Pool from an existing pool? 

Answer options:

A. RDS desktops
B. Manual desktops
C. Linked clones
D. Instant clones

C

Reference: https://pubs.vmware.com/horizon-7-view/index.jsp?topic=%2Fcom.vmware.horizon-view.desktops.doc%2FGUID-BA25DED9-DF6D-478C-A543- 0E1F2126FB78.html