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A company's application on EC2 instances relies on a Single-AZ RDS for MySQL DB instance. The SysOps administrator needs to ensure failover to minimize downtime.
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The SysOps administrator needs to address high disk I/O issues during EC2 instance bootstrap in an Auto Scaling group.

Question 352 - SOA-C02 discussion

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A company's SysOps administrator maintains a highly available environment. The environment includes Amazon EC2 instances and an Amazon RDS Multi-AZ database. The EC2 instances are in an Auto Scaling group behind an Application Load Balancer.

Recently, the company conducted a failover test. The SysOps administrator needs to decrease the failover time of the RDS database by at least 10%.

Which solution will meet this requirement?

A.
Increase the RDS instance size.
Answers
A.
Increase the RDS instance size.
B.
Modify the RDS cluster to run in a single Availability Zone.
Answers
B.
Modify the RDS cluster to run in a single Availability Zone.
C.
Create a read replica in another AWS Region. Promote the read replica in case of failure.
Answers
C.
Create a read replica in another AWS Region. Promote the read replica in case of failure.
D.
Create an RDS proxy. Point the application to the proxy endpoint.
Answers
D.
Create an RDS proxy. Point the application to the proxy endpoint.
Suggested answer: A

Explanation:

https://aws.amazon.com/blogs/database/improving-application-availability-with-amazon-rds-proxy/

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asked 16/09/2024
Osman Rana
36 questions
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