Why is configuring GSLB the best remote access design for the environment?

A.
This design will allow for the expected expansion of remote access usage and provides
SSL VPN functionality for future needs.

B.
This design provides redundancy in case of site failures and connects users to their
backup datacenter in case of primary site failure.

C.
This design provides redundancy in case of appliance failures and connects users to
their home datacenter using external WAN traffic

D.
This design provides redundancy in case of appliance failures and connects users to
their home datacenter using external WAN traffic