A company uses Azure Site Recovery to replicate critical Azure virtual machines (VMs) to a secondary Azure region for disaster recovery. The VMs use managed disks and are part of a multi-tier application. After a failover, the recovery VMs must be automatically placed into a specific availability set to maintain the application architecture. How should the administrator configure this in Azure Site Recovery?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
Configure the target availability set in the VM replication settings in the Recovery Services vault
For managed disk VMs, ASR provides an option to select the target availability set in the replication configuration, ensuring automatic placement after failover.
Distractor review
Create a recovery plan and add a manual step or script to move VMs to the availability set after failover
Using a script is possible but not the primary or simplest method; the built-in configuration is more efficient and less error-prone.
Distractor review
Convert the managed disks to unmanaged disks for replication, then specify the availability set
Converting to unmanaged disks is not necessary and is not recommended; ASR supports availability sets with managed disks natively.
Distractor review
Azure Site Recovery does not support placing VMs into an availability set in the target region
ASR does support target availability sets for both managed and unmanaged disk VMs.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Configure the target availability set in the VM replication settings in the Recovery Services vault — Azure Site Recovery allows you to specify the target availability set for each VM in the replication settings when using managed disks. This ensures that after failover, the VM is automatically placed in the desired availability set. Using a recovery plan with scripts is possible but not the simplest method. Unmanaged disks are not required. ASR fully supports availability sets.
What should I do if I get this AZ-305 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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