Free Microsoft AZ-305 Actual Exam Questions - Question 11 Discussion
HOTSPOT You have the Azure resources shown in the following table. 
You need to design a solution that provides on-premises network connectivity to SQLDB1 through PE1. How should you configure name resolution? To answer, select the appropriate options in the answer area. 
Option B makes sense since on-prem DNS needs conditional forwarding to Azure Private DNS.
They probably want conditional forwarding to Azure Private DNS from on-prem DNS.
Just got this one and I’d rule out using the Azure Private DNS Zone linked with the vnet because SQLDB1 is an Azure SQL Database, which typically uses a public endpoint but can be accessed privately if configured with private endpoints. The key is making sure PE1’s IP gets properly resolved on-prem, so setting up conditional forwarding or custom DNS that points to the Private Endpoint IP makes more sense. Option B looked like a catch since it mentions public DNS, which won’t hit the private peering setup through PE1.