Free Amazon SOA-C03 Exam Questions
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Amazon SOA-C03 Exam Questions
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Provided By: Amazon
- Exam: AWS Certified CloudOps Engineer - Associate
- Certification: AWS Certified Specialty
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Total Questions: 221
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Updated On: May 22, 2026
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Rated: 4.9 |
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Online Users: 442
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Question 1
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A CloudOps engineer is creating a simple, public-facing website running on Amazon EC2. TheCloudOps engineer created the EC2 instance in an existing public subnet and assigned an Elastic IPaddress. The CloudOps engineer created a new security group that allows incoming HTTP traffic from0.0.0.0/0. The CloudOps engineer also created a new network ACL and applied it to the subnet toallow incoming HTTP traffic from 0.0.0.0/0. However, the website cannot be reached from theinternet. What is the cause of this issue?
Answer: A
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A CloudOps engineer is creating a simple, public-facing website running on Amazon EC2. TheCloudOps engineer created the EC2 instance in an existing public subnet and assigned an Elastic IPaddress. The CloudOps engineer created a new security group that allows incoming HTTP traffic from0.0.0.0/0. The CloudOps engineer also created a new network ACL and applied it to the subnet toallow incoming HTTP traffic from 0.0.0.0/0. However, the website cannot be reached from theinternet. What is the cause of this issue?
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Question 2
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A CloudOps engineer is responsible for a legacy, CPU-heavy application. The application can only be
scaled vertically. Currently, the application is deployed on a single t3.large Amazon EC2 instance. The
system is showing 90% CPU usage and significant performance latency after a few minutes. What change should be made to alleviate the performance problem?
Answer: B
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A CloudOps engineer is responsible for a legacy, CPU-heavy application. The application can only be
scaled vertically. Currently, the application is deployed on a single t3.large Amazon EC2 instance. The
system is showing 90% CPU usage and significant performance latency after a few minutes. What change should be made to alleviate the performance problem?
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Question 3
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A company runs an application on Amazon EC2 instances in an Auto Scaling group. Scale-out actionstake a long time because of long-running boot scripts. The CloudOps engineer must reduce scale-outtime without overprovisioning.Which solution will meet these requirements?
Answer: D
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A company runs an application on Amazon EC2 instances in an Auto Scaling group. Scale-out actionstake a long time because of long-running boot scripts. The CloudOps engineer must reduce scale-outtime without overprovisioning.Which solution will meet these requirements?
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Question 4
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A CloudOps engineer has created a VPC that contains a public subnet and a private subnet. AmazonEC2 instances that were launched in the private subnet cannot access the internet. The defaultnetwork ACL is active on all subnets in the VPC, and all security groups allow outbound traffic.Which solution will provide the EC2 instances in the private subnet with access to the internet?
Answer: A
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A CloudOps engineer has created a VPC that contains a public subnet and a private subnet. AmazonEC2 instances that were launched in the private subnet cannot access the internet. The defaultnetwork ACL is active on all subnets in the VPC, and all security groups allow outbound traffic.Which solution will provide the EC2 instances in the private subnet with access to the internet?
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Question 5
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A company has an AWS CloudFormation template that creates an Amazon S3 bucket. A user
authenticates to the corporate AWS account with their Active Directory credentials and attempts to
deploy the CloudFormation template. However, the stack creation fails.
Which factors could cause this failure? (Select TWO.)
Answer: A,C
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A company has an AWS CloudFormation template that creates an Amazon S3 bucket. A user
authenticates to the corporate AWS account with their Active Directory credentials and attempts to
deploy the CloudFormation template. However, the stack creation fails.
Which factors could cause this failure? (Select TWO.)