What is this type of DNS configuration commonly called?

exams 312-50v11 312-50v11 exam 0 Comments

During a recent security assessment, you discover the organization has one Domain Name Server (DNS) in a Demilitarized Zone (DMZ) and a second DNS server on the internal network.

What is this type of DNS configuration commonly called?
A . DynDNS
B . DNS Scheme
C . DNSSEC
D . Split DNS

Answer: D