The correct choice is to upgrade to the Premium tier with a zone-redundant configuration. This recommendation works because the Premium tier supports zone redundancy, which replicates your database across physically separate availability zones within the same Azure region, providing high availability against both planned maintenance events and unplanned failures like datacenter outages. The Standard tier, in contrast, lacks zone-redundant support and relies on local storage redundancy, which cannot survive a full zone failure. On the DP-300 exam, this question tests your understanding of Azure SQL Database’s high availability options and the trade-offs between cost and resilience; a common trap is to confuse geo-replication—which is designed for cross-region disaster recovery, not intra-region high availability—with zone redundancy. Remember the mnemonic: “Standard stays local, Premium protects per zone.”
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. 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 high availability solution for an Azure SQL Database that is used by a mission-critical application. The database is currently in the Standard tier. You need to minimize downtime during planned maintenance and unplanned failures while keeping costs low. What should you recommend?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Upgrade to the Premium tier with zone-redundant configuration.
Option B is correct because Zone-redundant configuration (Premium tier) provides high availability within a region by replicating across availability zones, minimizing downtime. Option A is wrong because Standard tier does not support zone redundancy. Option C is wrong because geo-replication adds cost and complexity for cross-region DR, not primarily for HA within region. Option D is wrong because Basic tier does not support HA features.
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 the Basic tier with a failover group.
Why it's wrong here
Basic tier does not support failover groups or high availability.
✗
Configure active geo-replication to a secondary region.
Why it's wrong here
Geo-replication is for disaster recovery, not primarily for high availability within a region.
✓
Upgrade to the Premium tier with zone-redundant configuration.
Why this is correct
Premium tier with zone redundancy provides high availability within a region.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Upgrade to the Standard tier and enable zone redundancy.
Why it's wrong here
Standard tier does not support zone redundancy.
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 DP-300 question in full detail.
Identify which DP-300 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.
Plan and configure a high availability and disaster recovery environment — This question tests Plan and configure a high availability and disaster recovery environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Upgrade to the Premium tier with zone-redundant configuration. — Option B is correct because Zone-redundant configuration (Premium tier) provides high availability within a region by replicating across availability zones, minimizing downtime. Option A is wrong because Standard tier does not support zone redundancy. Option C is wrong because geo-replication adds cost and complexity for cross-region DR, not primarily for HA within region. Option D is wrong because Basic tier does not support HA features.
What should I do if I get this DP-300 question wrong?
Identify which DP-300 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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Your company wants to ensure business continuity for an Azure SQL Database that is used by a critical application. The database must remain available in the event of a single availability zone failure within a region. Which configuration should you use?
easy
✓ A.Configure zone-redundant availability for the database
B.Use active geo-replication to a different region
C.Deploy the database with locally redundant storage
D.Configure read scale-out with a secondary replica
Why A: Option B is correct because zone-redundant configuration replicates data across three zones within a region, protecting against a single zone failure. Option A protects within a single zone. Option C is for regional disasters. Option D does not provide HA.
Last reviewed: Jun 21, 2026
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