A Chief Information Security Officer (CISO) is concerned about the organization`s ability to continue business operations in the event of a prolonged DDoS attack on its local datacenter that consumes database resources. Which of the following will the CISO MOST likely recommend to mitigate this risk? 

Answer options:

A. Upgrade the bandwidth available into the datacenter.
B. Implement a hot-site failover location.
C. Switch to a complete SaaS offering to customers.
D. Implement a challenge response test on all end-user queries.

B