X.800 defines _________ as a service that is provided by a protocol layer of communicating open systems and that ensures adequate security of the systems or of data transfers. 
A)replay  
B)integrity  
C)authenticity  
D)security service

Question

Quizplus · Accepted Answer

X.800 defines "security service" as a service provided by a protocol layer of communicating open systems, ensuring adequate security of the systems or of data transfers.

X800 Defines _________ as a Service That Is Provided by a Protocol