This ANS-C01 practice question tests your understanding of network design. 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 company needs to connect its on-premises data center to AWS using a dedicated, low-latency connection. Which AWS service should be used?
AWS Direct Connect
Direct Connect provides a dedicated, low-latency connection from on-premises to AWS.
AWS Transit Gateway
Why wrong: Transit Gateway is for connecting VPCs and VPNs, not a direct dedicated connection.
AWS Site-to-Site VPN
Why wrong: VPN uses the public internet and may have variable latency.
VPC Peering
Why wrong: VPC Peering is for VPC-to-VPC connectivity.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Direct Connect
AWS Direct Connect is the correct choice because it provides a dedicated, private, low-latency network connection from an on-premises data center directly to AWS, bypassing the public internet. This service uses industry-standard 802.1Q VLANs to create virtual interfaces, ensuring consistent performance and reduced latency for mission-critical workloads.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS Direct Connect
Why this is correct
Direct Connect provides a dedicated, low-latency connection from on-premises to AWS.
Related concept
Read the scenario before looking for a memorised answer.
AWS Transit Gateway
Why it's wrong here
Transit Gateway is for connecting VPCs and VPNs, not a direct dedicated connection.
AWS Site-to-Site VPN
Why it's wrong here
VPN uses the public internet and may have variable latency.
VPC Peering
Why it's wrong here
VPC Peering is for VPC-to-VPC connectivity.
Common exam traps
The trap here is that candidates often confuse AWS Site-to-Site VPN as a dedicated connection, but it is encrypted over the public internet and does not guarantee low latency or dedicated bandwidth, unlike Direct Connect.
Detailed technical explanation
AWS Direct Connect operates over a cross-connect at a Direct Connect location, using Layer 2 VLANs to create private virtual interfaces (VIFs) that can access VPCs via a Direct Connect Gateway or Transit VIFs for use with Transit Gateway. The connection supports speeds from 50 Mbps up to 100 Gbps, and latency is deterministic because traffic does not traverse the public internet, making it ideal for real-time applications like video streaming or financial trading. A subtle behavior is that Direct Connect requires BGP peering for route exchange, and you must configure a Virtual Private Gateway (VGW) or Direct Connect Gateway to enable connectivity to VPCs.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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FAQ
Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Direct Connect — AWS Direct Connect is the correct choice because it provides a dedicated, private, low-latency network connection from an on-premises data center directly to AWS, bypassing the public internet. This service uses industry-standard 802.1Q VLANs to create virtual interfaces, ensuring consistent performance and reduced latency for mission-critical workloads.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This ANS-C01 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 ANS-C01 exam.
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