English to Chinese Other IT (Information Technology)

A customer is using an HP ProLiant DL380 G3 server for secure e-commerce. The processor is running at 90% of capacity, and processor performance slows considerably during peek shopping hours. What does HP recommend to resolve this issue?
A. Use Task Manager to set SSL process to a lower priority.
B. Add more memory to the server.
C. Add an SSL encryption card to the server.
D. Install an additional network card and place it on a different subnet.
place it on a different subnet是什么意思？
TIA