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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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A company needs to monitor the disk utilization of Amazon Elastic Block Store (Amazon EBS) volumes The EBS volumes are attached to Amazon EC2 Linux Instances A SysOps administrator must set up an Amazon CloudWatch alarm that provides an alert when disk utilization increases to more than 80%. Which combination of steps must the SysOps administrator lake lo meet these requirements? (Select THREE.)
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A SysOps administrator is optimizing the cost of a workload. The workload is running in multiple AWS Regions and is using AWS Lambda with Amazon EC2 On-Demand Instances for the compute. The overall usage is predictable. The amount of compute that is consumed in each Region varies, depending on the users' locations. Which approach should the SysOps administrator use to optimize this workload?
The SysOps administrator must dynamically reference the latest AMI ID from Systems Manager Parameter Store in CloudFormation templates for new AMI versions.
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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 336 - SOA-C02 discussion

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A company is running Amazon RDS for PostgreSOL Multi-AZ DB clusters. The company uses an AWS Cloud Formation template to create the databases individually with a default size of 100 GB. The company creates the databases every Monday and deletes the databases every Friday.

Occasionally, the databases run low on disk space and initiate an Amazon CloudWatch alarm. A SysOps administrator must prevent the databases from running low on disk space in the future.

Which solution will meet these requirements with the FEWEST changes to the application?

A.
Modify the CloudFormation template to use Amazon Aurora PostgreSOL as the DB engine.
Answers
A.
Modify the CloudFormation template to use Amazon Aurora PostgreSOL as the DB engine.
B.
Modify the CloudFormation template to use Amazon DynamoDB as the database. Activate storage auto scaling during creation of the tables
Answers
B.
Modify the CloudFormation template to use Amazon DynamoDB as the database. Activate storage auto scaling during creation of the tables
C.
Modify the Cloud Formation template to activate storage auto scaling on the existing DB instances.
Answers
C.
Modify the Cloud Formation template to activate storage auto scaling on the existing DB instances.
D.
Create a CloudWatch alarm to monitor DB instance storage space. Configure the alarm to invoke the VACUUM command.
Answers
D.
Create a CloudWatch alarm to monitor DB instance storage space. Configure the alarm to invoke the VACUUM command.
Suggested answer: C

Explanation:

To prevent Amazon RDS for PostgreSQL Multi-AZ DB instances from running low on disk space, enabling storage auto-scaling is the most straightforward solution. This feature automatically adjusts the storage capacity of the DB instance when it approaches its limit, thus preventing the database from running out of space and triggering CloudWatch alarms. Option C is the least intrusive and most effective solution as it only requires a modification to the existing CloudFormation template to enable auto-scaling on storage. For reference, see AWS documentation on managing RDS storage automatically Managing RDS Storage Automatically.

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asked 16/09/2024
Loyiso Gawula
35 questions
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