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CLF-C02 Practice Question 49: Low Latency Edge Compute

AWS Certified Cloud Practitioner (CLF-C02) · Test 5 · question 9 of 10

Cloud Technology & Servicesmedium

A visual effects studio in a large city wants to give its artists virtual workstations on AWS. The nearest AWS Region is several hundred miles away, and tests from there show latency that is too high for interactive work. The studio has no data center of its own and does not want to install or house any hardware. Which option provides AWS compute close to the artists?

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Answer:

  • B. AWS Local Zones

AWS Local Zones put compute, storage, database and other selected AWS services close to large population and industry centers, so users get low-latency access to applications there. AWS names virtual workstations, real-time gaming, live streaming and AR/VR as typical uses. The studio uses the Local Zone like any other AWS location: nothing is installed at its own site, and it pays only for the resources it runs there.

Option A, AWS Outposts, would also give low latency, but it works by installing AWS-managed racks in the *customer's own* facility. That rules it out for a studio with no data center that does not want to house hardware. Option C, Amazon CloudFront, caches and delivers content from edge locations. It speeds up delivering files and web content, but it does not run interactive workstations. Option D improves availability inside the distant Region, but every Availability Zone is still hundreds of miles from the artists, so the latency does not change.

Reference: What is AWS Local Zones?

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