Answer: C. The security risks associated with combining USB drives and cell phones on a network
D. The risks associated with the large capacity of USB drives and their concealable nature
Step-by-step explanation:
Based on the scenario that has been discussed in the question, the security administrator will instructs the marketing staff not to supply the USB pens based on the security risks that are associated with combining USB drives and cell phones on a network.
Another reason is due to the risks that are associated with the large capacity of USB drives and their concealable nature.
Since the client has been victimized by social engineering attacks that led to a loss of sensitive data in the past, they'll be extra careful this time around.