Select the statements that are true. (Select all that apply.) a. To ensure the data is accurate, forensic analysis must be performed on the original storage device. b. Support and buy-in by senior leadership is nice but not critical to the success of any security program or policy. c. Because policies are not technology specific, they do not need to be reviewed periodically. d. It is useful to have IT systems audited by both internal and external auditors. Which of the following statements describe DHCP? (Select all that apply.) a. Option 90 uses a shared password to authenticate client DHCP requests. b. DHCP can be reserved for specific MAC addresses. c. Authentication is not widely implemented in DHCP deployments. d. A rogue DHCP server can be used to conduct a DoS attack