单项选择题
A. 100 B. 128 C. 256 D. 512
A. 1 is the default precedence. B. A lower number is preferred. C. A higher number is preferred. D. 100 is the default precedence.
A. one-rate rate limiters B. two-rate rate limiters C. two-rate rate limiters is the default D. one-rate rate limiters is the default E. there is no default it must be configured