You are building an application in AWS that requires Amazon Elastic MapReduce (Amazon EMR). The application needs to resolve hostnames in your internal, on-premises Active Directory domain. You update your DHCP Options Set in the VPC to point to a pair of Active Directory integrated DNS servers running in your VPC.
Which action is required to support a successful Amazon EMR cluster launch?
A . Add a conditional forwarder to the Amazon-provided DNS server.
B . Enable seamless domain join for the Amazon EMR cluster.
C . Launch an AD connector for the internal domain.
D . Configure an Amazon Route 53 private zone for the EMR cluster.
Answer: B
Explanation:
References: https://aws.amazon.com/blogs/security/how-to-connect-your-on-premises-active-directory-toaws-using-ad-connector/