A customer is planning to implement IBM SmartCloud Control Desk using IBM WebSphere Network
Deployment and IBM DB2 as a middleware on an AIX operating system. Due to an expected number of
concurrent user sessions, the customer is planning for three IBM WebSphere nodes and a single IBM DB2
node running on separated systems.
What should be recommended in case the customer needs a highly available configuration?

A.
switch the OS platform from AIX to Linux

B.
install IBM DB2 on a PowerHA (formerly HACMP) cluster

C.
double the number of IBM WebSphere and IBM DB2 nodes

D.
install IBM WebSphere and IBM DB2 on a PowerHA (formerly HACMP) cluster