← SOA-C02·Amazon Web Services

Question 1,377 of 1,546

Deployment, Provisioning, and Automation →hardMultiple ChoiceObjective-mapped

SOA-C02 Deployment, Provisioning, and Automation Practice Question

This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 runs a critical production workload on a fleet of EC2 instances managed by an Auto Scaling group. The instances are behind an Application Load Balancer (ALB). Recently, the company experienced a regional outage that caused all instances to become unhealthy. The SysOps administrator must design a solution to automatically recover from such an outage with minimal downtime. The solution must be cost-effective and not require manual intervention. The administrator considers four options. Which option meets the requirements?

A
Configure the Auto Scaling group to launch instances across multiple Availability Zones and configure the ALB to route traffic to healthy targets.
Why wrong: Incorrect. Multi-AZ within a single region cannot protect against a region-wide outage because all AZs are part of the same region and can all become unavailable during a regional failure.
B
Increase the desired capacity of the Auto Scaling group and use larger instance types to absorb the load during failover.
Why wrong: Incorrect. Increasing capacity or using larger instance types only adds more resources within the same region and does not provide cross-region failover.
C
Create a warm standby environment in another AWS Region with a smaller Auto Scaling group. Use Route53 failover routing to switch traffic.
Correct. A warm standby in another region with Route53 failover routing automatically redirects traffic during a regional outage, meeting the requirements of minimal downtime, cost-effectiveness, and no manual intervention.
D
Use AWS Lambda to periodically check the health of instances and automatically relaunch failed instances in another region.
Why wrong: Incorrect. Using Lambda adds complexity and a potential single point of failure; AWS offers native services like Route53 health checks and Auto Scaling that better handle automated cross-region recovery.

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

✓

Create a warm standby environment in another AWS Region with a smaller Auto Scaling group. Use Route53 failover routing to switch traffic.

Option C is correct. A regional outage affects all Availability Zones within a single AWS Region, so a multi-AZ architecture within the same region cannot recover from such an outage. A warm standby in another AWS Region provides disaster recovery across regions. Using Route53 failover routing, traffic is automatically redirected to the standby environment when the primary region becomes unhealthy. This solution is fully automated and cost-effective compared to a hot standby, as the standby can run at a smaller scale until needed. Option A is incorrect: spreading instances across AZs only protects against AZ failures, not a full regional outage. Option B is incorrect: increasing capacity or instance size does not provide cross-region failover. Option D is incorrect: using Lambda to relaunch instances in another region is less reliable and introduces a single point of failure; native services like Route53 and Auto Scaling are more robust.

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.

✗
Configure the Auto Scaling group to launch instances across multiple Availability Zones and configure the ALB to route traffic to healthy targets.
Why it's wrong here
Incorrect. Multi-AZ within a single region cannot protect against a region-wide outage because all AZs are part of the same region and can all become unavailable during a regional failure.
✗
Increase the desired capacity of the Auto Scaling group and use larger instance types to absorb the load during failover.
Why it's wrong here
Incorrect. Increasing capacity or using larger instance types only adds more resources within the same region and does not provide cross-region failover.
✓
Create a warm standby environment in another AWS Region with a smaller Auto Scaling group. Use Route53 failover routing to switch traffic.
Why this is correct
Correct. A warm standby in another region with Route53 failover routing automatically redirects traffic during a regional outage, meeting the requirements of minimal downtime, cost-effectiveness, and no manual intervention.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS Lambda to periodically check the health of instances and automatically relaunch failed instances in another region.
Why it's wrong here
Incorrect. Using Lambda adds complexity and a potential single point of failure; AWS offers native services like Route53 health checks and Auto Scaling that better handle automated cross-region recovery.

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.

Quick reference

Cloud Service Model Comparison

Model	You Manage	Provider Manages	Examples
IaaS	OS, runtime, apps, data	Hardware, hypervisor, networking	EC2, Azure VMs, GCP Compute Engine
PaaS	Apps and data	OS, runtime, middleware, hardware	Elastic Beanstalk, Azure App Service
SaaS	Data and settings only	Everything else	Microsoft 365, Salesforce, Workday
FaaS / Serverless	Function code only	Infra, scaling, runtime	Lambda, Azure Functions, Cloud Run
CaaS	Containers and apps	Kubernetes, OS, hardware	EKS, AKS, GKE

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.

Related SOA-C02 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Monitoring, Logging, and Remediation practice questions

Practise SOA-C02 questions linked to Monitoring, Logging, and Remediation.

Reliability and Business Continuity practice questions

Practise SOA-C02 questions linked to Reliability and Business Continuity.

Deployment, Provisioning, and Automation practice questions

Practise SOA-C02 questions linked to Deployment, Provisioning, and Automation.

Security and Compliance practice questions

Practise SOA-C02 questions linked to Security and Compliance.

Networking and Content Delivery practice questions

Practise SOA-C02 questions linked to Networking and Content Delivery.

Cost and Performance Optimization practice questions

Practise SOA-C02 questions linked to Cost and Performance Optimization.

SOA-C02 fundamentals practice questions

Practise SOA-C02 questions linked to SOA-C02 fundamentals.

SOA-C02 scenario practice questions

Practise SOA-C02 questions linked to SOA-C02 scenario.

SOA-C02 troubleshooting practice questions

Practise SOA-C02 questions linked to SOA-C02 troubleshooting.

Practice this exam

Start a free SOA-C02 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

10 questions 20 questions 30 questions 50 questions Timed 30

SOA-C02 practice-test guide →Study guide →Browse all practice tests

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: Create a warm standby environment in another AWS Region with a smaller Auto Scaling group. Use Route53 failover routing to switch traffic. — Option C is correct. A regional outage affects all Availability Zones within a single AWS Region, so a multi-AZ architecture within the same region cannot recover from such an outage. A warm standby in another AWS Region provides disaster recovery across regions. Using Route53 failover routing, traffic is automatically redirected to the standby environment when the primary region becomes unhealthy. This solution is fully automated and cost-effective compared to a hot standby, as the standby can run at a smaller scale until needed. Option A is incorrect: spreading instances across AZs only protects against AZ failures, not a full regional outage. Option B is incorrect: increasing capacity or instance size does not provide cross-region failover. Option D is incorrect: using Lambda to relaunch instances in another region is less reliable and introduces a single point of failure; native services like Route53 and Auto Scaling are more robust.

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.

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 →

How Courseiva writes practice questions · Editorial policy

Keep practising

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

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.