An organization`s web server farm, which is hosted in the cloud with DNS load balancing, is experiencing a spike in network traffic. This has caused an outage of the organization`s web server infrastructure. Which of the following should be implemented to prevent this in the future as a mitigation method? 

Answer options:

A. Enable DLP.
B. Configure microsegmentation.
C. Enable DNSSEC.D. Deploy a vADC appliance.

D