DP-300 Plan and implement data platform resources Practice Question
This DP-300 practice question tests your understanding of plan and implement data platform resources. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 solution for an Azure SQL Database in the Business Critical tier. You require automatic failover to a secondary region with zero data loss. Which configuration should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a failover group with the Business Critical tier.
The Business Critical tier in Azure SQL Database supports failover groups, which provide automatic failover across regions with zero data loss by using synchronous replication at the primary region and asynchronous replication to the secondary region. Failover groups ensure that all committed transactions are preserved during a failover, meeting the zero data loss requirement for disaster recovery.
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.
✓
Create a failover group with the Business Critical tier.
Why this is correct
Failover groups on Business Critical provide synchronous replication and automatic failover.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure geo-replication between two servers.
Why it's wrong here
Geo-replication is asynchronous, risk of data loss.
✗
Enable read scale-out in a secondary region.
Why it's wrong here
Read scale-out does not provide failover.
✗
Use active geo-replication with manual failover.
Why it's wrong here
Active geo-replication is asynchronous.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse active geo-replication with failover groups, assuming manual failover can achieve zero data loss, but active geo-replication uses asynchronous replication by default and does not support automatic failover with zero RPO.
Detailed technical explanation
How to think about this question
Failover groups leverage Availability Zones and paired regions with synchronous replication within the primary region and asynchronous replication to the secondary region, ensuring that the Recovery Point Objective (RPO) is zero for the primary replica. During an automatic failover, the secondary database becomes the new primary with the same fully synchronized data, and the DNS endpoint is updated transparently to applications. In a real-world scenario, this is critical for financial applications where even seconds of data loss are unacceptable.
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.
TExam Day Tips
→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 DP-300 question in full detail.
Plan and implement data platform resources — This question tests Plan and implement data platform resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a failover group with the Business Critical tier. — The Business Critical tier in Azure SQL Database supports failover groups, which provide automatic failover across regions with zero data loss by using synchronous replication at the primary region and asynchronous replication to the secondary region. Failover groups ensure that all committed transactions are preserved during a failover, meeting the zero data loss requirement for disaster recovery.
What should I do if I get this DP-300 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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