Go back to JK0-015 - CompTIA E2C/Security+ Certification Exam

Question :-

Which of the following is the BEST mitigation against DoS attacks?
Distributed, redundant datacenters with IPS
Redundant ISPs, power sources, and NAT
Distributed power sources, NAC, and VLANs
Two-factor server authentication, NIDS, and VPNs

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