Which of the following can be used to identify a genuine Intel processor’s family, model and stepping in a multiprocessing system?

A.
The S-spec number

B.
The ARP utility.

C.
The Frequency ID utility

D.
The System BIOS.

Explanation:
The S-spec number, which is located on the top of the processor, and the Frequency ID utility identifies the family, model, and stepping of a genuine Intel processor. The S-spec number reference and the Frequency ID utility can be downloaded from the Intel website.
Incorrect
Answers:

B: The ARP utility can be used to view and maintain the ARP table which holds IP address to MAC address mapping. It is not used to view processor characteristics.
D: The system BIOS may identify the general properties, such as the processor family and model, of the processor, but generally will not identify the stepping.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 77-79.