单项选择题
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
单项选择题 What is the default export routing policy for RIP?（）
单项选择题 There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?（）
单项选择题 You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.Which method will accomplish this?（）