Amazon Web Services SOA-C01 Practice Exam Dumps 2025

A company has an application running on a fleet of Microsoft Windows instances. Patches to the operating system need to be applied each month. AWS Systems Manager Patch Manager is used to apply the patches on a schedule.

When the fleet is being patched, customers complain about delayed service responses.

What can be done to ensure patches are deployed with MINIMAL customer impact?

Options:

Change the number of instances patched at any one time to 100%.

Create a snapshot of each server in the fleet using a Systems Manager Automation document before starting the patch process.

Configure the maintenance window to patch 10% of the instance in the patch group at a time.

Create a patched Amazon Machine Image (AMI). Configure the maintenance window option to deploy the patched AMI on only 10% of the fleet at a time.

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Question 2

A company’s website went down for several hours. The root cause was a full disk on one of the company’s Amazon EC2 instances.

Which steps should the SysOps Administrator take to prevent this from happening in this future?

Options:

Configure Amazon CloudWatch Events to filter and forward AWS Health events for disk space utilization to an Amazon SNS topic to notify the Administrator.

Create an AWS Lambda function to describe the volume status for each EC2 instance. Post a notification to an Amazon SNS topic when a volume status is impaired.

Enable detailed monitoring for the EC2 instances. Create an Amazon CloudWatch alarm to notify the

Administrator when disk space is running low.

Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low.

Question 3

A financial service company is running distributed computing software to manage a fleet of 20 servers for their calculations. There are 2 control nodes and 18 worker nodes to run the calculations. Worker nodes can be automatically started by the control nodes when required. Currently, all nodes are running on demand, and the worker nodes are uses for approximately 4 hours each day.

Which combination of actions will be most cost-effective? (Select Two)

Options:

Use dedicated Hosts for the control nodes.

Use reserved instances for the control nodes.

Use reserved instances for the worker nodes.

Use spot instances for the control nodes and On-demand instances if there is no Spot availability.

Use spot instances for the worker nodes and On-demand instances if there is no spot availability.

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