Question 1mediummulti select
Full question →mediummulti selectObjective-mapped
An internal API is deployed in two AWS Regions behind separate Application Load Balancers. The company wants clients to use the primary Region when it is healthy and automatically switch to the secondary Region if the primary health check fails. Which two Route 53 record configurations are required? Select two.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Create a primary failover record that points to the primary ALB and associates a Route 53 health check.
A primary failover record is the active answer while the primary Region remains healthy. The associated health check tells Route 53 when the primary endpoint should stop being returned to clients.
B
Distractor review
Create a weighted record set that sends 50 percent of traffic to each Region.
Weighted routing is useful for splitting traffic or testing, but it does not provide the strict primary-versus-secondary behavior required for automatic failover.
C
Best answer
Create a secondary failover record that points to the secondary ALB.
The secondary failover record gives Route 53 the alternate destination to return when the primary health check fails. This is the fallback endpoint used only when the primary is unhealthy.
D
Distractor review
Create a latency-based record set so Route 53 always prefers the fastest Region.
Latency-based routing chooses the nearest or fastest endpoint for each client request. That is different from a deliberate active-passive design where one Region is primary and another is only used when the primary fails.
E
Distractor review
Create a multivalue answer record to return both ALB addresses on each lookup.
Multivalue answers can improve availability by returning multiple healthy values, but they do not implement the explicit primary-to-secondary failover pattern described in the scenario.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A team needs to distribute TCP traffic (not HTTP) across multiple services. The services must see the original client source IP for auditing. Which AWS load balancer is the best fit?
Question 2
A team wants to run containerized services with AWS-managed orchestration and autoscaling. They do NOT require Kubernetes compatibility. Which AWS service choice is most appropriate to meet these goals?
Question 3
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Question 4
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Question 5
A team wants to delegate IAM management to developers, but must ensure developers can never grant themselves permissions beyond a specific limit. Which AWS mechanism best matches this requirement?
Question 6
A solutions architect is designing an S3 bucket for a healthcare document service. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure?
FAQ
Questions learners often ask
What does this SAA-C03 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Create a primary failover record that points to the primary ALB and associates a Route 53 health check. — Route 53 failover routing uses a primary record with a health check and a secondary record as the fallback. When the primary health check passes, clients are sent to the primary ALB. If it fails, Route 53 stops returning the primary value and answers with the secondary Region instead. This design matches the requirement for automatic regional failover. Weighted routing is for traffic distribution, not health-based failover. Latency-based routing chooses the fastest endpoint, which does not guarantee primary/secondary behavior. Multivalue answers can improve availability, but they are not the correct mechanism for an active-passive regional failover pattern.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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