Amazon Web Services SOA-C01 Practice Exam Dumps 2025

A sysops administrator is reviewing AWS Trusted Advisor warnings and encounters a warning for an S3 bucket policy that has open access permissions. While discussing the issue with the bucket owner, the administrator realizes the S3 bucket is an origin for an Amazon CloudFront web distribution.

Options:

Encrypt the S3 bucket content with Server-Side Encryption with Amazon S3-Managed Keys (SSE-S3).

Create an origin access identity and grant it permissions to read objects in the S3 bucket.

Assign an 1AM user to the CloudFront distribution and whitelist the 1AM user in the S3 bucket policy.

Assign an 1AM role to the CloudFront distribution and whitelist the 1AM role in the S3 bucket policy.

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Question 2

A SysOps Administrator is managing a web application that runs on Amazon EC2 instances behind an ELB Application Load Balancer (ALB). The instances run in an EC2 Auto Scaling group. The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.

Which condition should be used with the alarm?

Options:

AWS/ApplicationELB HealthyHostCount <= 0

AWS/ApplicationELB UnhealthyHostCount >= 1

AWS/EC2 StatusCheckFailed <= 0

AWS/EC2 StatusCheckFailed >= 1

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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