- A
AWS Site-to-Site VPN
Why wrong: Site-to-Site VPN creates an encrypted tunnel over the public internet. While secure, it does not provide dedicated bandwidth, and latency depends on internet conditions.
- B
AWS Direct Connect
Direct Connect provides a dedicated, private physical connection (1 Gbps to 100 Gbps) from on-premises to AWS. Traffic never touches the public internet, providing consistent low latency and reliable bandwidth.
- C
Amazon CloudFront
Why wrong: CloudFront is a CDN for caching and delivering content to end users. It does not provide dedicated on-premises to AWS connectivity.
- D
AWS Transit Gateway
Why wrong: Transit Gateway connects multiple VPCs and on-premises networks through a central hub. It can work alongside Direct Connect but is not itself a dedicated physical connection.
Quick Answer
AWS Direct Connect is the correct choice because it establishes a private, dedicated high-bandwidth connection from your on-premises data centre directly to AWS, completely bypassing the public internet to deliver consistent low latency and support up to 100 Gbps throughput. This service uses dedicated physical lines or link aggregation to meet the exact requirements of a financial institution needing a secure, high-performance link. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your ability to differentiate between network services: Direct Connect is for private, dedicated, high-bandwidth connections, while VPNs use the public internet and Site-to-Site VPN offers encrypted but shared bandwidth. A common trap is confusing Direct Connect with AWS VPN, but remember that Direct Connect is a physical, dedicated line—not a virtual tunnel. Memory tip: think “Direct Connect = Direct Cable” for a private, high-speed highway that never touches the public road.
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.
A financial institution needs a private, dedicated, high-bandwidth network connection from their on-premises data centre to AWS that does not traverse the public internet, provides consistent low latency, and supports up to 100 Gbps bandwidth. Which AWS service provides this?
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
AWS Direct Connect
AWS Direct Connect is the correct choice because it provides a private, dedicated network connection from an on-premises data center to AWS that bypasses the public internet, ensuring consistent low latency and supporting bandwidths up to 100 Gbps (via 100 Gbps dedicated connections or link aggregation). This meets all the specified requirements for a high-bandwidth, private, and low-latency link.
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.
- ✗
AWS Site-to-Site VPN
Why it's wrong here
Site-to-Site VPN creates an encrypted tunnel over the public internet. While secure, it does not provide dedicated bandwidth, and latency depends on internet conditions.
- ✓
AWS Direct Connect
Why this is correct
Direct Connect provides a dedicated, private physical connection (1 Gbps to 100 Gbps) from on-premises to AWS. Traffic never touches the public internet, providing consistent low latency and reliable bandwidth.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon CloudFront
Why it's wrong here
CloudFront is a CDN for caching and delivering content to end users. It does not provide dedicated on-premises to AWS connectivity.
- ✗
AWS Transit Gateway
Why it's wrong here
Transit Gateway connects multiple VPCs and on-premises networks through a central hub. It can work alongside Direct Connect but is not itself a dedicated physical connection.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Site-to-Site VPN with Direct Connect, assuming VPN provides dedicated bandwidth and low latency, but VPNs are inherently internet-based and subject to public network variability, while Direct Connect offers a private, dedicated physical link.
Detailed technical explanation
How to think about this question
AWS Direct Connect uses industry-standard 802.1Q VLANs to create multiple virtual interfaces (VIFs) over a single physical connection, allowing separation of public and private traffic. For bandwidths up to 100 Gbps, you can order a dedicated 100 Gbps port or aggregate multiple 10 Gbps ports using link aggregation groups (LAGs) per IEEE 802.3ad. This service operates at Layer 2/3 and provides a consistent network experience by avoiding internet congestion and latency variability.
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 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.
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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Cloud Technology and Services — study guide chapter
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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: AWS Direct Connect — AWS Direct Connect is the correct choice because it provides a private, dedicated network connection from an on-premises data center to AWS that bypasses the public internet, ensuring consistent low latency and supporting bandwidths up to 100 Gbps (via 100 Gbps dedicated connections or link aggregation). This meets all the specified requirements for a high-bandwidth, private, and low-latency link.
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.
About these practice questions
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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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