Which two items does NIST name as key elements of contingency planning policy? Choose two.

Answer: D. Exercise and testing schedules
B. The minimum frequency of backups

SP 800-34r1's policy elements cover who does what, how far the policy reaches, what resources and training are needed, when exercises and tests happen, when the plan is maintained, and how often backups run at minimum.

Source: NIST SP 800-34 Rev. 1 (NIST) — Sec. 3.1 Contingency Planning Policy Statement