单选题Which statement is true about a NAT rule action of off？（）A The NAT action of off is only supported for destination NAT rule-sets.B The NAT action of off is only supported for source NAT rule-sets.C The NAT action of off is useful for detailed control o
题目
单选题
Which statement is true about a NAT rule action of off？（）
A
The NAT action of off is only supported for destination NAT rule-sets.
B
The NAT action of off is only supported for source NAT rule-sets.
C
The NAT action of off is useful for detailed control of NAT
D
The NAT action of off is useful for disabling NAT when a pool is exhausted.