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Reliability and Business Continuity →hardMultiple ChoiceObjective-mapped

SOA-C02 Reliability and Business Continuity Practice Question

This SOA-C02 practice question tests your understanding of reliability and business continuity. 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 uses Amazon Route 53 for DNS and has a domain registered with Route 53. The company wants to ensure that if the primary web server fails, traffic is automatically routed to a secondary server in a different region. The health check must consider both the server response and the application response time. Which routing policy should be used?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "primary"

    Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.

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

✓

Failover routing policy

Failover routing policy is correct because it allows you to configure an active-passive setup where Route 53 automatically routes traffic to a secondary resource when the primary fails. By associating a health check that monitors both server response (HTTP status code) and application response time (latency threshold), Route 53 can detect failure and trigger the failover. This policy directly supports the requirement for automatic failover based on a composite health check.

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.

  • ✓

    Failover routing policy

    Why this is correct

    Failover routing with health checks automatically routes traffic to the secondary when the primary is unhealthy.

    Clue confirmation

    The clue word "primary" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Weighted routing policy

    Why it's wrong here

    Weighted routing distributes traffic according to weights, but does not automatically failover.

  • ✗

    Geolocation routing policy

    Why it's wrong here

    Geolocation routes based on user location, not health.

  • ✗

    Latency routing policy

    Why it's wrong here

    Latency routing routes to the region with the lowest latency, but does not automatically failover based on health.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse latency routing policy with failover routing policy, assuming that lowest-latency routing inherently provides failover, but latency routing does not consider health checks or automatically switch to a secondary server on failure.

Detailed technical explanation

How to think about this question

Route 53 failover routing works by associating a primary and secondary record set with a health check. The health check can be configured to evaluate both the endpoint's HTTP response (e.g., 200 OK) and a custom latency threshold (e.g., response time < 2 seconds). If the health check fails for the primary, Route 53 automatically returns the secondary record's IP in DNS responses. The DNS TTL must be set low (e.g., 60 seconds) to ensure quick failover, and Route 53 uses a 30-second health check interval with three consecutive failures to mark the endpoint unhealthy.

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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Reliability and Business Continuity — This question tests Reliability and Business Continuity — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Failover routing policy — Failover routing policy is correct because it allows you to configure an active-passive setup where Route 53 automatically routes traffic to a secondary resource when the primary fails. By associating a health check that monitors both server response (HTTP status code) and application response time (latency threshold), Route 53 can detect failure and trigger the failover. This policy directly supports the requirement for automatic failover based on a composite health check.

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

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 2026

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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.