Two systems are being designed. System A has a high availability requirement. System B has a
high security requirement with less emphasis on system uptime. Which of the following
configurations BEST fits the need for each system?
A.
System A fails open. System B fails closed.
B.
System A and System B both fail closed.
C.
System A and System B both fail open.
D.
System A fails closed. System B fails open.
Explanation: