The correct answer is Azure Migrate, Azure Site Recovery, and Azure Data Box. Azure Migrate handles the initial discovery and assessment of on-premises virtual machines, while Azure Site Recovery performs the actual replication and migration with minimal downtime by continuously syncing data. Azure Data Box is essential for large-scale offline data transfer when network bandwidth is limited, enabling bulk data movement without saturating the link. On the Microsoft Azure Solutions Architect Expert AZ-305 exam, this scenario tests your understanding of the full migration lifecycle—assess, replicate, and transfer—and a common trap is confusing Azure Import/Export (which ships physical disks for data only, not VM migration) with Data Box, or selecting Azure App Service, which is for web apps, not infrastructure migration. Remember the mnemonic “ASD” for Assess (Azure Migrate), Sync (Site Recovery), and Deliver (Data Box) to keep the three services straight.
AZ-305 Design infrastructure solutions Practice Question
This AZ-305 practice question tests your understanding of design infrastructure 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 plans to migrate a large number of on-premises virtual machines to Azure. You need to assess the current environment and migrate the workloads with minimal downtime. Which THREE Azure services or tools should you use? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Data Box
Options A, B, and D are correct. Azure Migrate provides discovery and assessment. Azure Site Recovery performs replication and migration. Azure Data Box is for offline data transfer. Option C is wrong because Azure App Service is for web apps. Option E is wrong because Azure Import/Export is for physical disk shipping, not VM migration.
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.
✗
Azure App Service
Why it's wrong here
App Service is for hosting web applications, not VM migration.
✗
Azure Import/Export Service
Why it's wrong here
Import/Export is for physical disk shipping, but Data Box is more suitable for large migrations.
✓
Azure Data Box
Why this is correct
Data Box is used for large offline data transfers when network bandwidth is limited.
Related concept
Read the scenario before looking for a memorised answer.
✓
Azure Site Recovery
Why this is correct
Site Recovery replicates VMs to Azure and enables failover with minimal downtime.
Related concept
Read the scenario before looking for a memorised answer.
✓
Azure Migrate
Why this is correct
Azure Migrate discovers and assesses on-premises VMs for migration.
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 infrastructure solutions — This question tests Design infrastructure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Data Box — Options A, B, and D are correct. Azure Migrate provides discovery and assessment. Azure Site Recovery performs replication and migration. Azure Data Box is for offline data transfer. Option C is wrong because Azure App Service is for web apps. Option E is wrong because Azure Import/Export is for physical disk shipping, not VM migration.
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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