- A
Create a read replica and promote it to a standalone instance during failover.
Why wrong: Manual promotion would increase downtime, not reduce it.
- B
Modify the application to use the IP address of the DB instance instead of the CNAME.
Why wrong: Using IP addresses is not recommended and does not reduce failover time; the CNAME is updated during failover.
- C
Enable TDS Keep-Alive on the client side to detect and recover from connection drops faster.
TDS Keep-Alive helps the client detect a broken connection sooner and reconnect to the new primary, reducing perceived downtime.
- D
Disable Multi-AZ and use a single-AZ instance to avoid failover overhead.
Why wrong: Disabling Multi-AZ removes high availability, which is not acceptable for a production environment.
DBS-C01 Management and Operations Practice Question
This DBS-C01 practice question tests your understanding of management and operations. 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.
A company is running an Amazon RDS for SQL Server Multi-AZ DB instance. During a recent failover test, the application experienced a timeout of 60 seconds. The application uses a connection string that points to the CNAME of the DB instance. Which configuration change would reduce the failover time?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable TDS Keep-Alive on the client side to detect and recover from connection drops faster.
Option D is correct because enabling TDS Keep-Alive on the client side ensures the connection is monitored and can be re-established quickly after failover. Option A is wrong because the CNAME is the correct endpoint for Multi-AZ, and changing it would not help. Option B is wrong because read replicas are for read scaling, not failover. Option C is wrong because Multi-AZ already provides automatic failover; disabling it would increase downtime.
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 read replica and promote it to a standalone instance during failover.
Why it's wrong here
Manual promotion would increase downtime, not reduce it.
- ✗
Modify the application to use the IP address of the DB instance instead of the CNAME.
Why it's wrong here
Using IP addresses is not recommended and does not reduce failover time; the CNAME is updated during failover.
- ✓
Enable TDS Keep-Alive on the client side to detect and recover from connection drops faster.
Why this is correct
TDS Keep-Alive helps the client detect a broken connection sooner and reconnect to the new primary, reducing perceived downtime.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Disable Multi-AZ and use a single-AZ instance to avoid failover overhead.
Why it's wrong here
Disabling Multi-AZ removes high availability, which is not acceptable for a production environment.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which DBS-C01 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.
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Management and Operations — study guide chapter
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Management and Operations practice questions
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Management and Operations — This question tests Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable TDS Keep-Alive on the client side to detect and recover from connection drops faster. — Option D is correct because enabling TDS Keep-Alive on the client side ensures the connection is monitored and can be re-established quickly after failover. Option A is wrong because the CNAME is the correct endpoint for Multi-AZ, and changing it would not help. Option B is wrong because read replicas are for read scaling, not failover. Option C is wrong because Multi-AZ already provides automatic failover; disabling it would increase downtime.
What should I do if I get this DBS-C01 question wrong?
Identify which DBS-C01 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.
About these practice questions
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Last reviewed: Jun 20, 2026
This DBS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DBS-C01 exam.
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