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.