The answer is a misconfigured or failing health check for the Asia endpoint. When Route 53 uses latency-based routing, it evaluates the health of each endpoint before considering latency; if the health check for the Asia region fails, Route 53 treats that endpoint as unhealthy and routes traffic to the next region with the lowest latency, which may be the US. This question tests your understanding of how health checks override latency-based routing decisions on the ANS-C01 exam, a common trap where candidates assume latency alone determines the route. Remember that latency routing is always conditional on health—a dead endpoint is never chosen, no matter how close. The key memory tip: health check failure forces a failover to the next best latency region, not a direct latency comparison.
ANS-C01 Network Implementation Practice Question
This ANS-C01 practice question tests your understanding of network implementation. 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 deploying a multi-region application and needs to route users to the nearest healthy endpoint. They are using Amazon Route 53 with latency-based routing and health checks. Users in Asia are sometimes routed to the US region even when the Asia endpoint is healthy. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The health check for the Asia region endpoint is failing or misconfigured
Option B is correct because latency-based routing uses the latency between the user and the endpoint; if the health check is misconfigured, the Asia endpoint might be considered unhealthy, causing Route 53 to route to the next best region. Option A is wrong because geolocation routing is different from latency-based. Option C is wrong because TTL affects caching but not routing decisions. Option D is wrong because DNS resolution does not change routing behavior.
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.
✗
The Asia region endpoint's Route 53 geolocation routing policy is misconfigured
Why it's wrong here
The company is using latency-based routing, not geolocation.
✓
The health check for the Asia region endpoint is failing or misconfigured
Why this is correct
If the health check fails, Route 53 excludes the unhealthy endpoint and routes to the next best latency.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The TTL value for the DNS records is set too high
Why it's wrong here
TTL affects caching, not the routing decision itself.
✗
The DNS resolver used by users in Asia does not support latency-based routing
Why it's wrong here
Latency-based routing is fully supported by standard DNS resolvers.
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 ANS-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.
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The health check for the Asia region endpoint is failing or misconfigured — Option B is correct because latency-based routing uses the latency between the user and the endpoint; if the health check is misconfigured, the Asia endpoint might be considered unhealthy, causing Route 53 to route to the next best region. Option A is wrong because geolocation routing is different from latency-based. Option C is wrong because TTL affects caching but not routing decisions. Option D is wrong because DNS resolution does not change routing behavior.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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