← SOA-C02·Amazon Web Services

Question 839 of 1,546

Deployment, Provisioning, and Automation →mediumMultiple SelectObjective-mapped

SOA-C02 Deployment, Provisioning, and Automation Practice Question

This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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.

A company is using AWS CloudFormation to manage its infrastructure. The SysOps administrator wants to update a stack that includes an Amazon RDS database. The administrator needs to modify the DB instance class but wants to avoid downtime. Which TWO options should the administrator consider? (Choose two.)

Question 1mediummulti select

Full question →

A
Apply the change during the RDS maintenance window to control when the modification occurs.
Applying during maintenance window ensures it happens at a scheduled time, but may still cause a brief downtime.
B
Deploy the RDS instance as Multi-AZ to allow a failover during the modification.
Multi-AZ allows the modification to be applied to the standby first, then failover, minimizing downtime.
C
Set the DeletionPolicy attribute to Retain on the RDS instance.
Why wrong: DeletionPolicy does not affect updates.
D
Delete the current RDS instance and create a new one with the desired instance class.
Why wrong: This causes significant downtime.
E
Take a snapshot of the database and restore it with the new instance class.
Why wrong: Restoring from snapshot takes time and causes downtime.

Full breakdown with real-world context →

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

✓

Apply the change during the RDS maintenance window to control when the modification occurs.

Option A is correct because a Multi-AZ deployment allows modifications with minimal downtime by applying the change to the standby first. Option B is correct because applying the change during a maintenance window can also reduce impact. Option C is wrong because deleting and recreating causes downtime. Option D is wrong because using a snapshot does not help with modifying the instance class. Option E is wrong because setting DeletionPolicy to Retain does not affect updates.

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.

✓
Apply the change during the RDS maintenance window to control when the modification occurs.
Why this is correct
Applying during maintenance window ensures it happens at a scheduled time, but may still cause a brief downtime.
Related concept
Read the scenario before looking for a memorised answer.
✓
Deploy the RDS instance as Multi-AZ to allow a failover during the modification.
Why this is correct
Multi-AZ allows the modification to be applied to the standby first, then failover, minimizing downtime.
Related concept
Read the scenario before looking for a memorised answer.
✗
Set the DeletionPolicy attribute to Retain on the RDS instance.
Why it's wrong here
DeletionPolicy does not affect updates.
✗
Delete the current RDS instance and create a new one with the desired instance class.
Why it's wrong here
This causes significant downtime.
✗
Take a snapshot of the database and restore it with the new instance class.
Why it's wrong here
Restoring from snapshot takes time and causes downtime.

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 SOA-C02 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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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Apply the change during the RDS maintenance window to control when the modification occurs. — Option A is correct because a Multi-AZ deployment allows modifications with minimal downtime by applying the change to the standby first. Option B is correct because applying the change during a maintenance window can also reduce impact. Option C is wrong because deleting and recreating causes downtime. Option D is wrong because using a snapshot does not help with modifying the instance class. Option E is wrong because setting DeletionPolicy to Retain does not affect updates.

What should I do if I get this SOA-C02 question wrong?

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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This SOA-C02 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 SOA-C02 exam.