Which steps should you take when adding additional processors to a customer’s server? (Select three.)

A.
Verify that the processors are supported.
B.
Upgrade the BIOS.
C.
Ensure that the processors are the same type and speed.
D.
Verify that all installed processors are within foursteppings to avoid system problems.
E.
Replace the heat sinks on the existing processors.

Explanation/Reference:
Pending