A company runs a critical application on Azure VMs in the West US region. They need to protect against a regional disaster using Azure Site Recovery. The VMs use unmanaged disks. The recovery point objective (RPO) must be 15 minutes and the recovery time objective (RTO) must be 1 hour. Additionally, they must be able to perform quarterly disaster recovery drills that do not affect the production environment. Which configuration should they use 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
Set up replication with a 15-minute snapshot frequency and perform test failover for drills.
Correct: ASR allows configuring snapshot frequency (15 minutes meets RPO) and test failover is a built-in feature for drills.
Distractor review
Use Azure Backup for VM replication and perform restore drills.
Incorrect: Azure Backup is not a disaster recovery replication service; it is for backups and does not provide continuous replication or test failover.
Distractor review
Configure a recovery plan with a pre-script to take a snapshot every 15 minutes.
Incorrect: Snapshot frequency is configured at the replication policy level, not in recovery plans. Recovery plans orchestrate failover order, not replication.
Distractor review
Enable multi-VM consistency group with a 15-minute consistency frequency.
Incorrect: While multi-VM consistency groups can be used, they are not required for meeting basic RPO and do not inherently support test failover differently.
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: Set up replication with a 15-minute snapshot frequency and perform test failover for drills. — Azure Site Recovery for Azure VMs supports replication regardless of managed or unmanaged disks (though managed are recommended). The RPO of 15 minutes is achievable with default settings (continuous replication, snapshot frequency of 1-5 minutes typically but can be set higher). Test failover is a built-in feature of ASR that creates an isolated copy for drills without impacting production. Multi-VM consistency groups are for crash-consistent and app-consistent snapshots across multiple VMs but are not required to meet basic RPO/RTO for single VMs.
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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