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Question 257 - CLF-C02 discussion

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A company has a single Amazon EC2 instance. The company wants to adopt a highly available architecture.

What can the company do to meet this requirement?

A.
Scale vertically to a larger EC2 instance size.
Answers
A.
Scale vertically to a larger EC2 instance size.
B.
Scale horizontally across multiple Availability Zones.
Answers
B.
Scale horizontally across multiple Availability Zones.
C.
Purchase an EC2 Dedicated Instance.
Answers
C.
Purchase an EC2 Dedicated Instance.
D.
Change the EC2 instance family to a compute optimized instance.
Answers
D.
Change the EC2 instance family to a compute optimized instance.
Suggested answer: B

Explanation:

Scaling horizontally across multiple Availability Zones is a way to adopt a highly available architecture, as it increases the fault tolerance and resilience of the application. Scaling vertically to a larger EC2 instance size is a way to improve the performance of the application, but it does not improve the availability. Purchasing an EC2 Dedicated Instance is a way to isolate the instance from other AWS customers, but it does not improve the availability. Changing the EC2 instance family to a compute optimized instance is a way to optimize the instance type for the workload, but it does not improve the availability. These concepts are explained in the AWS Well-Architected Framework2.

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asked 16/09/2024
ABCO TECHNOLOGY
32 questions
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