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Question 114 - CLF-C02 discussion

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Which of the following are design principles for reliability in the AWS Cloud? (Select TWO.)

A.
Build architectures with tightly coupled resources.
Answers
A.
Build architectures with tightly coupled resources.
B.
Use AWS Trusted Advisor to meet security best practices.
Answers
B.
Use AWS Trusted Advisor to meet security best practices.
C.
Use automation to recover immediately from failure.
Answers
C.
Use automation to recover immediately from failure.
D.
Rightsize Amazon EC2 instances to ensure optimal performance.
Answers
D.
Rightsize Amazon EC2 instances to ensure optimal performance.
E.
Simulate failures to test recovery processes.
Answers
E.
Simulate failures to test recovery processes.
Suggested answer: C, E

Explanation:

The design principles for reliability in the AWS Cloud are:

Test recovery procedures. The best way to ensure that systems can recover from failures is to regularly test them using simulated scenarios. This can help identify gaps and improve the recovery process.

Automatically recover from failure. By using automation, systems can detect and correct failures without human intervention. This can reduce the impact and duration of failures and improve the availability of the system.

Scale horizontally to increase aggregate system availability. By adding more redundant resources to the system, the impact of individual resource failures can be reduced. This can also improve the performance and scalability of the system.

Stop guessing capacity. By using monitoring and automation, systems can adjust the capacity based on the demand and performance metrics. This can prevent failures due to insufficient or excessive capacity and optimize the cost and efficiency of the system.

Manage change in automation. By using automation, changes to the system can be applied in a consistent and controlled manner. This can reduce the risk of human errors and configuration drifts that can cause failures. AWS Well-Architected Framework

asked 16/09/2024
Anna Fagulova
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