Quiz:What is Azure DNS

By Tiana Chris / January 29, 2026

The Ultimate Guide to Ace the AZ-900: What No One Tells You!
Compute and Networking Services
What is Azure DNS? (AZ-900 Exam Prep)
Quiz:What is Azure DNS

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Question 1 of 9

1. Question

What does DNS stand for?

Domain Name Service
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Direct Naming Service
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Decentralized Naming System
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Domain Name System
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Question 2 of 9

2. Question

What type of cloud service type is Azure DNS?

Software as a Service (SAAS)
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Platform as a Service (PaaS)
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Infrastructure as a Service (IaaS)
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Security as a Service (SECaaS)
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Question 3 of 9

3. Question

How does Azure DNS ensure resiliency and high availability for DNS domains hosted on its platform?

Azure DNS utilizes unicast networking for DNS queries, ensuring optimal performance and global reach.
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Each DNS query is directed to a random Azure server to balance the load and enhance security.
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Azure DNS utilizes Anycast networking to deliver fast performance by responding to DNS queries from the nearest available DNS server.
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DNS queries in Azure DNS are answered by the server with the highest load capacity to prevent downtime.
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Question 4 of 9

4. Question

_____ in DNS is a technique that routes network traffic to the nearest or best-performing server from a group of servers with the same IP address. This method improves the performance and resilience of DNS services by reducing latency and sharing the load across multiple servers. Anycasting enhances reliability by redirecting traffic to the next best server in the anycast group if one becomes unavailable.

Multicast
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Unicast
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Anycast
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Authoritative
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Question 5 of 9

5. Question

In the context of Azure DNS and anycasting, how does the use of anycasting benefit the translation of domain names into IP addresses compared to traditional methods?

Anycasting assigns multiple network addresses to identical physical network interfaces, effectively optimizing response times and reducing server congestion.
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Anycasting in Azure DNS randomly directs requests to servers worldwide to ensure uniform load distribution and enhance network security measures.
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Anycasting in Azure DNS routes requests to servers based on the highest load capacity to guarantee smooth and uninterrupted service delivery.
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Anycasting in Azure DNS directs requests to the nearest or most suitable server, considering network latency and availability, to efficiently expedite and streamline the translation process.
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Question 6 of 9

6. Question

Azure DNS is based on Azure Resource Manager, which provides features such as _____. Choose the incorrect answer.

Utilize Unicast
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Azure role-based access control (Azure RBAC)
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Activity logs
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Resource locking
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Question 7 of 9

7. Question

How do applications requiring automated DNS management integrate with the service?

Through the use of the REST API and software-defined keys (SDKs).
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By utilizing traditional manual configurations and command-line interfaces.
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Via direct server access and manual DNS record adjustments.
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Through email-based DNS management and manual updates.
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Question 8 of 9

8. Question

Azure DNS does NOT support private DNS domains.

True
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False
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Question 9 of 9

9. Question

Which statements about alias record sets in Azure DNS are correct?

An alias record set in Azure DNS can seamlessly update itself to reflect changes in the IP address of the underlying resource.
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An alias record set in Azure DNS only refers to internal resources within the Azure network.
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Alias records in Azure DNS are purchased directly through the Azure platform for domain names.
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An alias record set in Azure DNS functions independently of the associated IP address changes of the underlying resource.
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