MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A characteristic of edge locations is that they:
A
host Amazon EC2 instances closer to users.
B
help lower latency and improve performance for users.
C
cache frequently changing data without reaching the origin server.
D
refresh data changes daily.
Explanation: 

Detailed explanation-1: -An edge location is where end-users access services located at AWS. They are located in most of the major cities around the world and are specifically used by CloudFront (CDN) to distribute content to end-user to reduce latency. It is like the frontend for the service we access which is located in the AWS cloud.

Detailed explanation-2: -A site that CloudFront uses to cache copies of your content for faster delivery to users at any location.

Detailed explanation-3: -Edge Locations and Regional Edge Caches Requests are automatically routed to the nearest edge location. Edge locations are not tied to Availability Zones or regions. Regional Edge Caches are located between origin web servers and global edge locations and have a larger cache.

Detailed explanation-4: -Amazon CloudFront uses a global network of edge locations and regional edge caches for content delivery.

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