Certified Ethical Hacker (CEH v11) — Question 8

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?

Answer options

• A. DynDNS
• B. DNS Scheme
• C. DNSSEC
• D. Split DNS

Correct answer: D

Explanation

The correct answer is Split DNS, which refers to having different DNS servers for external and internal network queries. DynDNS is a dynamic DNS service, DNS Scheme is not a recognized term for this configuration, and DNSSEC is a security extension for DNS, but does not describe the setup of multiple DNS servers.