单选题What is a route filter?（）A a list of prefixes that can be configured in a poilcyB a single prefix that is configured separately and be referenced in a policyC a list of prefixes that is configured separately and can be referenced in a policyD a single
题目
单选题
What is a route filter?（）
A
a list of prefixes that can be configured in a poilcy
B
a single prefix that is configured separately and be referenced in a policy
C
a list of prefixes that is configured separately and can be referenced in a policy
D
a single prefix that can be configured within a policy