A Windows Communication Foundation (WCF) client uses the following service contract.
(Line numbers are included for reference only.) 01 [ServiceContract] 02 public interface
IService 03 ( 04 [OperationContractj 05 string Operation1O; 06 [OperationContract] 07
string Operation2(), 08) You need to ensure that all calls to Operation 1 and Operation2
from the client are encrypted and signed. What should you do?
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A.
Set the ProtectionLevel property in line 01 to EncryptAndSign.
B.
Set the ProtectionLevel property in line 04 and line 06 to Sign.
C.
Add a SecurityCriticalAttribute ror each operation.
D.
Add a SecunitySafeCriticalAttribute for each operation.