CAS-004 Security Architecture Practice Question
A company uses a hybrid cloud model with workloads on AWS and on-premises. They need to ensure secure connectivity between the two environments with high bandwidth and low latency, bypassing the public internet. Which solution should they implement?
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
✓
Configure AWS Direct Connect for dedicated private connectivity
AWS Direct Connect provides a dedicated private network connection from on-premises to AWS, bypassing the public internet for reliable and secure connectivity. VPN over the internet is less reliable and has higher latency. Private link exposes services privately but does not connect on-premises to cloud. SD-WAN can manage traffic but does not provide a direct dedicated connection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Configure AWS Direct Connect for dedicated private connectivity
Why this is correct
Direct Connect provides a dedicated, private, high-bandwidth, low-latency connection that avoids the public internet.
- ✗
Implement SD-WAN with integrated security
Why it's wrong here
SD-WAN optimizes traffic routing but still relies on underlying connectivity; it does not provide a dedicated private connection.
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Establish a site-to-site VPN over the internet
Why it's wrong here
VPN over the internet uses public infrastructure and may introduce latency and reliability issues.
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Use AWS PrivateLink to access VPC endpoints
Why it's wrong here
PrivateLink allows private access to services within AWS, but does not directly connect on-premises to AWS.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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