Azure HDInsight Cluster Configuration for On-Premises Authentication

Configuring Azure HDInsight Cluster for On-Premises Authentication

Question

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You have a hybrid configuration of Azure Active Directory (Azure AD).

You have an Azure HDInsight cluster on a virtual network.

You plan to allow users to authenticate to the cluster by using their on-premises Active Directory credentials.

You need to configure the environment to support the planned authentication.

Solution: You create a site-to-site VPN between the virtual network and the on-premises network.

Does this meet the goal?

Answers

Explanations

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A. B.

A

You can connect HDInsight to your on-premises network by using Azure Virtual Networks and a VPN gateway.

Note: To allow HDInsight and resources in the joined network to communicate by name, you must perform the following actions:

-> Create Azure Virtual Network.

-> Create a custom DNS server in the Azure Virtual Network.

-> Configure the virtual network to use the custom DNS server instead of the default Azure Recursive Resolver.

-> Configure forwarding between the custom DNS server and your on-premises DNS server.

https://docs.microsoft.com/en-us/azure/hdinsight/connect-on-premises-network

The solution provided in the scenario will allow the HDInsight cluster to be accessed through a site-to-site VPN connection between the Azure virtual network and the on-premises network. However, this solution alone does not fully meet the goal of allowing users to authenticate to the cluster by using their on-premises Active Directory credentials.

To enable on-premises Active Directory authentication for the Azure HDInsight cluster, you need to set up the necessary integration between Azure AD and on-premises Active Directory. This can be achieved through Azure AD Connect, which is a Microsoft tool that enables synchronization of identities between Azure AD and on-premises AD.

To configure Azure AD Connect, you need to install it on a server in your on-premises environment and configure it to synchronize identities between the two environments. You can then enable Azure AD Domain Services in your Azure environment to provide a domain controller and LDAP services in Azure for authentication purposes.

Once Azure AD Domain Services is enabled, you can configure the HDInsight cluster to use Azure AD Domain Services for authentication by specifying the domain name in the cluster's configuration settings. This will allow users to authenticate to the HDInsight cluster using their on-premises AD credentials.

Therefore, the solution provided in the scenario alone (creating a site-to-site VPN) is not sufficient to meet the goal of allowing on-premises AD authentication for the Azure HDInsight cluster. The correct answer is "B. No".