- A
Amazon CloudFront
Why wrong: CloudFront is a CDN for content delivery — it doesn't register domain names or serve as an authoritative DNS provider.
- B
AWS Global Accelerator
Why wrong: Global Accelerator routes traffic through the AWS global network for performance — it's not a domain registrar or DNS service.
- C
Amazon Route 53
Route 53 provides domain registration, DNS hosting, and health checking — a complete managed DNS solution from domain purchase to global traffic routing.
- D
AWS Certificate Manager
Why wrong: ACM provisions and manages SSL/TLS certificates — it doesn't register domains or provide DNS hosting.
Question 463 of 1,024
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. 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.
Which AWS service is used to register domain names and route DNS queries for domain names like 'example.com'?
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
✓
Amazon Route 53
Amazon Route 53 is a scalable Domain Name System (DNS) web service that provides both domain name registration and DNS resolution. It translates human-readable domain names like 'example.com' into IP addresses and can also register new domains or transfer existing ones. This dual functionality makes it the correct choice for the question.
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.
- ✗
Amazon CloudFront
Why it's wrong here
CloudFront is a CDN for content delivery — it doesn't register domain names or serve as an authoritative DNS provider.
- ✗
AWS Global Accelerator
Why it's wrong here
Global Accelerator routes traffic through the AWS global network for performance — it's not a domain registrar or DNS service.
- ✓
Amazon Route 53
Why this is correct
Route 53 provides domain registration, DNS hosting, and health checking — a complete managed DNS solution from domain purchase to global traffic routing.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Certificate Manager
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Global Accelerator with a DNS service because both use anycast and improve performance, but Global Accelerator does not handle domain registration or standard DNS query resolution.
Detailed technical explanation
How to think about this question
Route 53 supports complex routing policies such as latency-based, geolocation, geoproximity, weighted, and failover routing, which go beyond simple A/AAAA record resolution. It also integrates with AWS services like Elastic Load Balancing and CloudFront via alias records, which are free and automatically update when the target resource changes. Under the hood, Route 53 uses a global network of authoritative DNS servers and supports DNSSEC for security.
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 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.
Visual reference
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Technology and Services — This question tests Cloud Technology and Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon Route 53 — Amazon Route 53 is a scalable Domain Name System (DNS) web service that provides both domain name registration and DNS resolution. It translates human-readable domain names like 'example.com' into IP addresses and can also register new domains or transfer existing ones. This dual functionality makes it the correct choice for the question.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This CLF-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 CLF-C02 exam.
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