When is a Virtual Server hosted by an LTM System defined with two IP addresses?
A. Two addresses are used to define the Virtual Server when it is managed by redundant LTM Systems.
B. Two addresses are used to define some Virtual Servers so that the GTM System can choose the better address when resolving the name.
C. Two addresses are used to define Virtual Servers when the LTM System hosting it is behind a firewall that is translating the Virtual Server address.
D. Two addresses are used to define a Virtual Server when the WideIP should resolve to a different address depending on which LTM System is active.