Which of the following resources can be viewed using the vCenter Maps (Choose Two)?

A.
HA Resources

B.
Network Resources

C.
Datastore Resources

D.
Host Resources

Explanation:
vSphere Client Online Help
The Map Relationships panel contains the following views:

Virtual Machine Resources – Shows relationships between the virtual machines on a host and networks or datastores, depending on the options selected. Host Resources – Shows relationships between the host and virtual machines, networks or datastores, depending on the options selected.
Datastore Resources – Shows relationships between the datastore and host or virtual machine, depending on the options selected.
Custom Map – Lets you select any combination of relationships other than the host-oriented and virtual machine-oriented options. The Custom Map option is preset with all relationships selected.