Using the PTES standard, there are ___ stages, and vulnerability analysis occurs at stage ___. Which of the following is an international standard for implementing and maintaining information security...

Using the PTES standard, there are ___ stages, and vulnerability analysis occurs at stage ___.

Which of the following is an international standard for implementing and maintaining

information security systems?

A. ISO 27001

B. NIST 800-34

C. NIST 800-30

D. ISO 27002