A 70-413 candidate is asked to design a patching strategy for 500 Windows servers. Which professional standard recommends testing patches in a non-production environment before production deployment?
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A
NIST SP 800-40 patch management guide
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B
ITIL release and deployment management process
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C
ISO 9001 quality management standard
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D
Both NIST SP 800-40 and ITIL release management