Which of the following guidance documents is useful in determining the impact level of a particular threat on agency systems?
A. NIST SP 800-41
B. NIST SP 800-37
C. FIPS 199
D. NIST SP 800-14
A. NIST SP 800-41
B. NIST SP 800-37
C. FIPS 199
D. NIST SP 800-14