单选题Which statement describes a security zone?（）A A security zone can contain one or more interfaces.B A security zone can contain interfaces in multiple routing instances.C A security zone must contain two or more interfaces.D A security zone must contain
题目
单选题
Which statement describes a security zone?（）
A
A security zone can contain one or more interfaces.
B
A security zone can contain interfaces in multiple routing instances.
C
A security zone must contain two or more interfaces.
D
A security zone must contain bridge groups.