A) Forwarders
B) DNS Zone
C) Conditional Forwarder
D) Stub zone

The answer is at the very bottom of the page because we wanted to give you a chance to think about first:)

Explanation: A conditional forwarder is a Domain Name System (DNS) server on a network that you use to forward DNS queries according to the DNS domain name in the query. For example, you can configure a DNS server to forward all the queries it receives for names ending with widgets.contoso.com to the IP address of a specific DNS server or to the IP addresses of multiple DNS servers.

Exam Objective: This question addresses exam 70-411 main objective 3: “Configure network services and access” (this objective is listed as representing 15-20% of the exam). The sub-objective is 3.1 “Configure DNS zones.”

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Question 3 – Correct answer(s): C) Conditional Forwarder