[单选题]You installed WebLogic, SOA Suite, and Oracle Serv

AYou need to install a separate node manager for each Middleware Home that has a unique  major and minor WebLogic Version Number.

BYou need to install and configure only one instance of Node Manager for all products,  regardless of the WebLogic version number.

CYou need to install and configure a separate Node Manager for each domain of each product  you want to run on the machine.

DYou need to install one Node Manager but use separate SSL certificates for each product when  searching the network communication to the machine