A.Azonedefinesagroupofsecuritydeviceswithacommonmanagement.
B.Azonedefinesthegeographicregioninwhichthesecuritydeviceisdeployed.
C.Azonedefinesagroupofnetworksegmentswithsimilarsecurityrequirements.
D.Azonedefinesagroupofnetworksegmentswithsimilarclass-of-servicerequirements.
参考答案：C
