Choose the option(s) that is FALSE.

A.
When it comes to verifying processor compatibility, you need to verify that the production run of the processor is within one level of the other processor(s) which it will join.

B.
When it comes to verifying processor compatibility, you need to verify that the production run of the processor is within two levels of the other processor(s) which it will join.

C.
When it comes to verifying processor compatibility, you need to verify that the production run of the processor is within three levels of the other processor(s) which it will join.

D.
None of the above

Explanation:
When it comes to verifying processor compatibility, you need to verify that the production run of the processor is within ONE LEVEL of the other processor(s) which it will join. This strategy is called a stepping level.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 380-381.