A developer has used this code within a servlet:
62.if(request.isUserInRole("vip")) {
63.// VIP-related logic here
64.}
What else must the developer do to ensure that the intended security goal is achieved?()
A.Create a user called vip in the security realm
B.Define a group within the security realm and call it vip
C.Define a security-role named vip in the deployment descriptor
D.Declare a security-role-ref for vip in the deployment descripto