Which of the following steps have to be performed to support Kerberos Authentication?
(Choose all that apply)
(a) A virtual URL that resolves to the IP of the ProxySG.
(b) Registering the BCAAA as a Service Principal Name.
(c) Configuring IWA Realm.
(d) Configuring Explicit Proxy.

A.
All of the above
B.
None of the above
C.
a, b & c only
D.
b, c & d only
I would say A) All of the above.
The answer appears to be “(c) Configuring IWA Realm” only, so B. None of the above should be the answer.
Reference:
BCCPP Course v4.3, p.79, Slide 6-1
Correct answer is D