- A
Create a private hosted zone in the central account and configure Route 53 Resolver rules in each account to forward queries to the central account.
Why wrong: Resolver rules alone are not enough; the zone must be associated with a VPC.
- B
Create a private hosted zone in each account and configure Route 53 inbound endpoints in the central account to accept DNS queries.
Why wrong: Inbound endpoints accept queries from on-premises, not from other accounts.
- C
Create a private hosted zone in the central account, associate it with a central VPC, and configure Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account.
Resolver endpoints enable cross-account DNS resolution.
- D
Create a private hosted zone in each account and use Route 53 zone sharing to share it with the central account.
Why wrong: Private hosted zones cannot be shared across accounts.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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.
A global company is using AWS Organizations with hundreds of accounts. The IT team needs to centrally manage DNS records for all accounts using Amazon Route 53 private hosted zones. The solution must be highly available and support cross-account DNS resolution. What should the team do?
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 private hosted zone in the central account, associate it with a central VPC, and configure Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account.
Option C is correct because it uses Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account's private hosted zone, enabling centralized management of DNS records across accounts. This approach provides high availability and supports cross-account DNS resolution.
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.
- ✗
Create a private hosted zone in the central account and configure Route 53 Resolver rules in each account to forward queries to the central account.
Why it's wrong here
Resolver rules alone are not enough; the zone must be associated with a VPC.
- ✗
Create a private hosted zone in each account and configure Route 53 inbound endpoints in the central account to accept DNS queries.
Why it's wrong here
Inbound endpoints accept queries from on-premises, not from other accounts.
- ✓
Create a private hosted zone in the central account, associate it with a central VPC, and configure Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account.
Why this is correct
Resolver endpoints enable cross-account DNS resolution.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a private hosted zone in each account and use Route 53 zone sharing to share it with the central account.
Why it's wrong here
Private hosted zones cannot be shared across accounts.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Route 53 Resolver rules (which forward queries to a target) with the need for both inbound and outbound endpoints to enable cross-account DNS resolution, leading them to choose Option A which lacks the necessary endpoint infrastructure.
Detailed technical explanation
How to think about this question
Route 53 Resolver outbound endpoints forward DNS queries from a VPC to a target IP address (e.g., an inbound endpoint in the central account), which then resolves against the central private hosted zone. The inbound endpoint in the central account listens for DNS queries on UDP/TCP port 53, and the outbound endpoints in each account use conditional forwarding rules to direct specific domain queries to the central account's inbound endpoint. This architecture ensures high availability by deploying endpoints across multiple Availability Zones and supports cross-account resolution without sharing VPCs or hosted zones.
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.
Visual reference
Quick reference
Common DNS Record Types
| Record | Purpose | Example |
|---|---|---|
| A | IPv4 address mapping | example.com → 93.184.216.34 |
| AAAA | IPv6 address mapping | example.com → 2606:2800::1 |
| CNAME | Alias to another hostname | www → example.com |
| MX | Mail server for domain | example.com → mail.example.com (priority 10) |
| TXT | Text data (SPF, DKIM, verification) | v=spf1 include:_spf.example.com ~all |
| NS | Authoritative name servers | example.com NS ns1.example.com |
| PTR | Reverse DNS (IP → hostname) | 34.216.184.93.in-addr.arpa → example.com |
| SOA | Zone authority record | Primary NS, admin email, serial, TTL defaults |
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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Design Solutions for Organizational Complexity — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a private hosted zone in the central account, associate it with a central VPC, and configure Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account. — Option C is correct because it uses Route 53 Resolver outbound endpoints in each account to forward DNS queries to the central account's private hosted zone, enabling centralized management of DNS records across accounts. This approach provides high availability and supports cross-account DNS resolution.
What should I do if I get this SAP-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: Jul 4, 2026
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