Which of the following capabilities must be included for the OS to take advantage of this critical hardware-based countermeasure?

A company is developing requirements for a customized OS build that will be used in an embedded environment. The company procured hardware that is capable of reducing the likelihood of successful buffer overruns while executables are processing.

Which of the following capabilities must be included for the OS to take advantage of this critical hardware-based countermeasure?
A . Application whitelisting
B . NX/XN bit
C . ASLR
D . TrustZone
E . SCP

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Answer: B