Exam objective
AZ-104Configure name resolution and load balancing
This objective sits in Implement and manage virtual networking, which carries 19% of the Azure Administrator exam. The questions below are original, written from the official objective title above, and each explanation cites the Microsoft Azure page it rests on.
Objective title verbatim from the official objectives. Microsoft Azure exam page ↗
A worked example
Shown solved, with the whole explanation open: this is what every question here carries.
An administrator links VNet-Prod to private DNS zone corp.internal with auto registration. Zone apps.internal must also auto register VNet-Prod's VM records. What happens when that second registration link is created?
Correct.
Checked against learn.microsoft.com, September 2026Concept
Registration links carry a one-way constraint. A zone may collect records from many networks, but each network can hand its automatic records to a single zone; anything else needs manual records or a resolution-only link.
Why B
Every virtual network can only have one registration zone associated with it, so a second link with autoregistration enabled on VNet-Prod is not allowed; apps.internal can be linked for resolution only.
Source
Private DNS virtual network links, checked September 2026A private DNS zone can have multiple registration virtual networks. However, every virtual network can only have one registration zone associated with it.
Now you: practice questions
No account needed. The explanation opens when you answer.
Sample question 1 of 3
VNet-A is linked to zone corp.internal with auto registration. VNet-B is linked to the same zone without it. A user's VM in VNet-B queries a VNet-A VM's name. What happens?
Sample question 2 of 3
An engineer enables auto registration on a private DNS zone link. VM records appear, but an internal load balancer in that virtual network gets none. What should the engineer do?
Sample question 3 of 3
A company hosts contoso.com in Azure DNS. The apex must send users to a Traffic Manager profile, but the portal refuses an apex CNAME. Which record should the administrator create?
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Read the sources
These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.