A Solutions Architect Is Designing a Highly Available and Reliable

question 83

Multiple Choice

A Solutions Architect is designing a highly available and reliable solution for a cluster of Amazon EC2 instances. The Solutions Architect must ensure that any EC2 instance within the cluster recovers automatically after a system failure. The solution must ensure that the recovered instance maintains the same IP address. How can these requirements be met?

• A) Create an AWS Lambda script to restart any EC2 instances that shut down unexpectedly.
• B) Create an Auto Scaling group for each EC2 instance that has a minimum and maximum size of 1.
• C) Create a new t2.micro instance to monitor the cluster instances. Configure the t2.micro instance to issue an aws ec2 reboot-instances command upon failure. Create a new t2.micro instance to monitor the cluster instances. Configure the t2.micro instance to issue an aws ec2 reboot-instances command upon failure.
• D) Create an Amazon CloudWatch alarm for the StatusCheckFailed_System metric, and then configure an EC2 action to recover the instance. Create an Amazon CloudWatch alarm for the StatusCheckFailed_System metric, and then configure an EC2 action to recover the instance.

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Definitions:

Homogenizing

In the context of social sciences, homogenizing refers to the process of making things uniform or similar, often by minimizing or eliminating differences.

International Trade

The exchange of goods and services between countries, which allows for increased efficiency and market expansion.

Regionalization

Regionalization is the process of dividing an area into smaller regions for administrative, economic, or cultural purposes.

Underdevelopment

A condition in which a country or region suffers from a lack of economic growth and development, often measured by low GDP per capita, poor infrastructure, and inadequate social services.