You have just reinstalled a VIP 6-80 in a Cisco 7500 Series router. What must you do to bring up the port adapter interfaces?（）

A.All interfaces are online by default once the VIP is up and running normally.

B.All interfaces must be manually brought online, even those previously configured.

C.The previous VIP configuration must be reloaded to bring interfaces online.

D.Any interfaces not previously configured must be manually configured and brought online.