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Question 195 - CLF-C02 discussion

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A company wants its Amazon EC2 instances to share the same geographic area but use redundant underlying power sources.

Which solution will meet these requirements?

A.
Use EC2 instances across multiple Availability Zones in the same AWS Region.
Answers
A.
Use EC2 instances across multiple Availability Zones in the same AWS Region.
B.
Use Amazon CloudFront as the database for the EC2 instances.
Answers
B.
Use Amazon CloudFront as the database for the EC2 instances.
C.
Use EC2 instances in the same edge location and the same Availability Zone.
Answers
C.
Use EC2 instances in the same edge location and the same Availability Zone.
D.
Use EC2 instances in AWS OpsWorks stacks in different AWS Regions.
Answers
D.
Use EC2 instances in AWS OpsWorks stacks in different AWS Regions.
Suggested answer: A

Explanation:

Using EC2 instances across multiple Availability Zones in the same AWS Region is a solution that meets the requirements of sharing the same geographic area but using redundant underlying power sources. Availability Zones are isolated locations within an AWS Region that have independent power, cooling, and physical security. They are connected through low-latency, high-throughput, and highly redundant networking. By launching EC2 instances in different Availability Zones, users can increase the fault tolerance and availability of their applications. Amazon CloudFront is a content delivery network (CDN) service that speeds up the delivery of web content and media to end users by caching it at the edge locations closer to them. It is not a database service and cannot be used to store operational data for EC2 instances. Edge locations are sites that are part of the Amazon CloudFront network and are located in many cities around the world. They are not the same as Availability Zones and do not provide redundancy for EC2 instances. AWS OpsWorks is a configuration management service that allows users to automate the deployment and management of applications using Chef or Puppet. It can be used to create stacks that span multiple AWS Regions, but this would not meet the requirement of sharing the same geographic area.

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asked 16/09/2024
Arthur la Feber
38 questions
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