AWS Service for Low-Latency and Data Residency
A company wants to use AWS. The company has stringent requirements about low-latency access to on-premises systems and data residency. Which AWS service should the company use to design a solution that meets these requirements?
Community Votes
100% of anonymous learners picked answer D. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The question tests the specific use case of hybrid cloud services where physical proximity to data is critical.
AWS Outposts extends AWS infrastructure to on-premises environments, ensuring low-latency access and strict data residency compliance.
Learners often choose Transit Gateway for connectivity but miss that it does not provide local compute or data residency guarantees.
Community Discussion (4 comments)
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Expert Analysis
Why the Answer Is Correct
AWS Outposts is a fully managed service that extends AWS infrastructure, services, APIs, and tools to virtually any data center, co-location space, or on-premises facility. This makes it the ideal solution for workloads requiring low-latency access to on-premises systems and strict data residency requirements, as the data never leaves the customer's premises while still using AWS management consoles.Why the Other Options Are Wrong
AWS Wavelength (A) embeds AWS compute and storage within telecommunications providers' edges for mobile applications, not general on-premises data centers. AWS Transit Gateway (B) is a network hub for connecting VPCs and on-premises networks but does not host resources locally. AWS Ground Station (C) provides satellite communication capabilities, which is unrelated to on-premises system latency or data residency.Community Comment Notes
Community consensus strongly supports AWS Outposts. One user noted it offers a "truly consistent hybrid experience" with easier retrieval of stored data. Another highlighted its benefits include "Low-latency access to on-premises systems" and "Data residency," confirming the exam logic.Exam Strategy
When you see 'on-premises' combined with 'low-latency' or 'data residency', think of AWS Outposts first. It is the only service that brings native AWS services physically into your own data center.
Frequently Asked Questions
How does Outposts differ from Local Zone?
Outposts runs in your own data center, while Local Zones are in urban areas near users. Outposts ensures data stays strictly on-premises.
Can I use Transit Gateway for this scenario?
No. Transit Gateway connects networks but does not provide local compute resources or guarantee data residency at the edge.
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