AZ-305 Design business continuity solutions Practice Question
This AZ-305 practice question tests your understanding of design business continuity solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Your company has a critical application that uses Azure Kubernetes Service (AKS) in a single region. You need to design a disaster recovery solution that can automatically fail over to a secondary region in the event of a regional outage. The application data is stored in Azure Cosmos DB. 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
✓
Deploy a secondary AKS cluster in another region, use Azure Traffic Manager for global load balancing, and enable Cosmos DB multi-region writes.
Option A is correct because AKS can be deployed in multiple regions, and Azure Traffic Manager can direct traffic to the secondary region. Cosmos DB multi-region writes ensure data availability. Option B is wrong because Azure Front Door does not provide AKS failover capability. Option C is wrong because Azure Site Recovery does not support AKS. Option D is wrong because Azure Backup does not provide failover.
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.
✗
Use Azure Front Door to route traffic to the primary AKS cluster and enable Cosmos DB automatic failover.
Why it's wrong here
Front Door is for HTTP(S) traffic, but does not manage AKS cluster failover.
✗
Use Azure Backup for AKS with cross-region restore and Cosmos DB geo-redundancy.
Why it's wrong here
Backup is not a failover solution.
✗
Replicate the AKS cluster to another region using Azure Site Recovery.
Why it's wrong here
Azure Site Recovery does not support AKS.
✓
Deploy a secondary AKS cluster in another region, use Azure Traffic Manager for global load balancing, and enable Cosmos DB multi-region writes.
Why this is correct
Traffic Manager and multi-region AKS clusters provide DR.
Related concept
Read the scenario before looking for a memorised answer.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
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: Deploy a secondary AKS cluster in another region, use Azure Traffic Manager for global load balancing, and enable Cosmos DB multi-region writes. — Option A is correct because AKS can be deployed in multiple regions, and Azure Traffic Manager can direct traffic to the secondary region. Cosmos DB multi-region writes ensure data availability. Option B is wrong because Azure Front Door does not provide AKS failover capability. Option C is wrong because Azure Site Recovery does not support AKS. Option D is wrong because Azure Backup does not provide failover.
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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