SAP-C02 Design for New Solutions Practice Question
A company is designing a hybrid cloud architecture that requires low-latency connectivity between on-premises and AWS. The company has multiple branch offices connecting to a central data center. The data center must be connected to AWS with 10 Gbps throughput and high availability. Which solution should the company choose?
⚠ Common exam trap
Test-takers frequently assume a single Direct Connect connection with a VPN backup is sufficient for high availability, but the VPN backup cannot match the 10 Gbps throughput and introduces latency, failing the throughput requirement.
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
✓
Order two AWS Direct Connect connections from different providers and configure them in a LAG.
The requirement for 10 Gbps throughput and high availability mandates using two AWS Direct Connect connections from different providers, configured as a Link Aggregation Group (LAG). LAG aggregates multiple connections into a single logical interface, providing both increased bandwidth and redundancy. A single Direct Connect connection with a backup VPN (Option B) would not meet the 10 Gbps throughput requirement, as VPNs are typically limited to lower bandwidth and introduce latency. Option A and C rely on VPNs, which cannot guarantee 10 Gbps throughput and may suffer from internet-based variability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use AWS Transit Gateway to connect multiple VPCs to on-premises via a single VPN.
Why it's wrong here
Transit Gateway is a hub for VPCs, not the primary connectivity solution.
- ✗
Use a single AWS Direct Connect connection with a backup VPN over the internet.
Why it's wrong here
Backup VPN is lower bandwidth and may not meet throughput requirements.
- ✗
Set up multiple AWS Site-to-Site VPN connections from the data center to the VPC.
Why it's wrong here
VPN throughput is limited and less consistent than Direct Connect.
- ✓
Order two AWS Direct Connect connections from different providers and configure them in a LAG.
Why this is correct
Multiple Direct Connect connections provide high availability and 10 Gbps throughput.
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Senior Network & Security Engineer · founder of Courseiva
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