单选题In which Cisco IOS configuration mode is the route distinguisher (RD) configured?()AR1(config-route-at)#BR1(config-route-map)#CR1(config-it)#DR1(config-vrf)#ER1(config)#FR1(router)#

单选题
In which Cisco IOS configuration mode is the route distinguisher (RD) configured?()
A

R1(config-route-at)#

B

R1(config-route-map)#

C

R1(config-it)#

D

R1(config-vrf)#

E

R1(config)#

F

R1(router)#


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