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1.

Contoso IT staff want to ensure that internal and external clients resolve names to internal and external IP addresses respectively. What do they need to do?

Set up split-horizon DNS by creating two DNS zones in Azure—one private and one public. The zones must have different names.

Set up split-horizon DNS by creating two DNS zones in Azure—one private and one public, both with the same name.

Set up split-horizon DNS by creating a single, private DNS zone in Azure.

2.

After creating a private zone in Azure DNS, what must an administrator do before their resources can use the zone?

Link their VNets to the zone.

Link their VMs to the zone.

Enable autoregistration on the VNet link to the zone.

3.

From an internet-connected on-premises host, Pavel is unable to resolve an IP address from an FQDN for one of the internet-facing VMs in Azure. He created a private DNS zone. What does he need to do?

Troubleshoot DNS on the client by using a standard name resolution troubleshooting procedure. For example, empty the name cache, and then use nslookup to verify the resolution process.

Make sure that the appropriate IP address is added as a record set in the DNS zone.

Create a public DNS zone for the domain name that contains the record, and add the record set for the VM's FQDN.

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