Which of the following options are configured when implementing failover on ProxySG appliances?
(Choose all that apply)
(a) Multicast address for advertisements
(b) Relative Priority
(c) Virtual MAC address
(d) Group Secret to hash information sent in multicast announcements

A.
a, b & c only

B.
b, c & d only

C.
a, b & d only

D.
All of the above