Quick Answer
The answer is AWS Direct Connect, which is the correct choice because it establishes a dedicated private connection from an on-premises data center directly into AWS, completely bypassing the public internet to deliver consistent, low-latency performance and predictable bandwidth for high-volume data transfer. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this concept tests your understanding of hybrid networking architectures and the trade-offs between VPNs and dedicated connections; a common trap is confusing Direct Connect with a VPN, which still traverses the internet and cannot guarantee the same performance consistency. Remember the memory tip: Direct Connect is the "private pipe" that avoids the public internet's variability, while VPNs are "tunnels" that still ride over it.
This ANS-C01 practice question tests your understanding of network implementation. 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 with a dedicated, private network connection that provides consistent performance. Which AWS service should they use?
Internet Gateway
Why wrong: Internet Gateway provides internet access to a VPC, not a private connection.
VPC Endpoint
Why wrong: VPC Endpoints provide private access to AWS services, not to on-premises.
AWS Direct Connect
Direct Connect provides a dedicated, private connection with consistent bandwidth.
Site-to-Site VPN
Why wrong: VPN uses the public internet and may have variable performance.
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 provides a dedicated, private network connection from an on-premises data center to AWS, bypassing the public internet. This ensures consistent, low-latency performance and can reduce bandwidth costs for high-volume data transfer, making it the ideal choice for the stated requirement.
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.
Internet Gateway
Why it's wrong here
Internet Gateway provides internet access to a VPC, not a private connection.
VPC Endpoint
Why it's wrong here
VPC Endpoints provide private access to AWS services, not to on-premises.
AWS Direct Connect
Why this is correct
Direct Connect provides a dedicated, private connection with consistent bandwidth.
Related concept
Read the scenario before looking for a memorised answer.
Site-to-Site VPN
Why it's wrong here
VPN uses the public internet and may have variable performance.
Common exam traps
AWS often tests the misconception that a Site-to-Site VPN provides dedicated performance because it is encrypted, but the trap is that VPNs still traverse the public internet and cannot guarantee consistent bandwidth or latency like a dedicated physical connection (Direct Connect).
Detailed technical explanation
AWS Direct Connect uses industry-standard 802.1Q VLANs to create multiple virtual interfaces (VIFs) over a single physical connection, enabling separation of traffic (e.g., public VIF for AWS public services, private VIF for VPCs). The connection is established via a cross-connect at an AWS Direct Connect location, and for high availability, you should provision at least two connections across separate devices or locations. In real-world scenarios, enterprises often combine Direct Connect with a VPN as a backup to maintain connectivity during an outage.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
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FAQ
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Direct Connect — AWS Direct Connect provides a dedicated, private network connection from an on-premises data center to AWS, bypassing the public internet. This ensures consistent, low-latency performance and can reduce bandwidth costs for high-volume data transfer, making it the ideal choice for the stated requirement.
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 30, 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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