AZ-305 Design business continuity solutions Practice Question
This AZ-305 practice question tests your understanding of design business continuity solutions. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are designing a disaster recovery plan for a critical application that runs on Azure VMs. The VMs are in a single region and are backed up daily. The RPO is 1 hour and the RTO is 4 hours. The current backup solution cannot meet the RPO. You need to recommend a solution that meets the requirements with minimal cost. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement Azure Site Recovery with a replication policy of 30 minutes.
Option B (ASR with replication frequency of 30 minutes) meets RPO and RTO with lower cost than continuous replication. Option A (backup every 30 minutes) increases cost without meeting RTO. Option C (continuous replication) is more expensive. Option D (always-on availability groups) requires additional licenses.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Implement Azure Site Recovery with a replication policy of 30 minutes.
Why this is correct
ASR provides near-synchronous replication and quick failover.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure SQL Server Always On Availability Groups across two Azure regions.
Why it's wrong here
Only applicable to SQL Server, not the entire application.
✗
Increase the backup frequency to every 30 minutes.
Why it's wrong here
Backup restore does not meet RTO of 4 hours.
✗
Implement Azure Site Recovery with a replication policy of 15 minutes.
Why it's wrong here
Exceeds requirements at higher cost.
Common exam traps
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.
Detailed technical explanation
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-305 question in full detail.
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design business continuity solutions — This question tests Design business continuity solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Implement Azure Site Recovery with a replication policy of 30 minutes. — Option B (ASR with replication frequency of 30 minutes) meets RPO and RTO with lower cost than continuous replication. Option A (backup every 30 minutes) increases cost without meeting RTO. Option C (continuous replication) is more expensive. Option D (always-on availability groups) requires additional licenses.
What should I do if I get this AZ-305 question wrong?
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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