单项选择题
A.R5-R2-R1
B.R5-R2-R1 and R5-R3-R1
C.R5-R3-R1 and R5-R4-R1
D.R5-R2-R1，R5-R3-R1， and R5-R4-R1
单项选择题 PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）
单项选择题 The network is shown below， along with the relevant router configurations： With the topology found in the graphic， what will the R1 loopback 0 be in the R3 routing table？（）
单项选择题 Which IOS command would you enter if you wanted to view a list of IBGP and EBGP neighbor relationships that are configured（）
