单选题What is a route filter?（）Aa list of prefixes that can be configured in a policyBa single prefix that is configured separately, and can be referenced in a policyCa list of prefixes that is configured separately and can be referenced in a policyDa single prefix that can be configured within a policy
单选题
What is a route filter?（）
A
a list of prefixes that can be configured in a policy
B
a single prefix that is configured separately, and can 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
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