100% Free SCS-C03 Practice Exam Questions (2026)

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Amazon SCS-C03 Dumps & Practice Test Questions 2026

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Total 236 Questions | Updated On: Sep 02, 2026

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Question 1

A company's web application is hosted on Amazon EC2 instances running behind an Application Load Balancer (ALB) in an Auto Scaling group. An AWS WAF web ACL is associated with the ALB. AWS CloudTrail is enabled and stores logs in Amazon S3 and Amazon CloudWatch Logs. The operations team has observed some EC2 instances reboot at random. After rebooting, all access logs on the instances have been deleted. During an investigation, the operations team found that each reboot happened just after a PHP error occurred on the new-user-creation.php file. The operations team needs to view log information to determine if the company is being attacked. Which set of actions will identify the suspect attacker's IP address for future occurrences?

A : Configure VPC Flow Logs on the subnet where the ALB is located and stream the data to CloudWatch. Search for the new-user-creation.php occurrences in CloudWatch.

B : Configure the CloudWatch agent on the ALB and send application logs to CloudWatch Logs.

C : Configure the ALB to export access logs to an Amazon OpenSearch Service cluster and search for the new-user-creation.php occurrences.

D : Configure the web ACL to send logs to Amazon Data Firehose, which delivers the logs to an S3 bucket. Use Amazon Athena to query the logs and find the new-user-creation.php occurrences.

Answer: D

Question 2

A company runs workloads in an AWS account. A security engineer observes some unusual findings in Amazon GuardDuty. The security engineer wants to investigate a specific IAM role and generate an investigation report. The report must contain details about anomalous behavior and any indicators of compromise. Which solution will meet these requirements?

A : Use Amazon Detective to perform an investigation on the IAM role.

B : Use AWS Audit Manager to create an assessment. Specify the IAM role. Run an assessment report.

C : Use Amazon Inspector to create an assessment. Specify the IAM role. Run an assessment report.

D : Use Amazon Inspector to run an on-demand scan of the IAM role.

Answer: A

Question 3

An ecommerce website was down for 1 hour following a DDoS attack. Users were unable to connectto the website during the attack period. The ecommerce company's security team is worried aboutfuture potential attacks and wants to prepare for such events. The company needs to minimizedowntime in its response to similar attacks in the future.Which steps would help achieve this? (Select TWO.)

A : Enable Amazon GuardDuty to automatically monitor for malicious activity and block unauthorized access.

B : Subscribe to AWS Shield Advanced and reach out to AWS Support in the event of an attack.

C : Use VPC Flow Logs to monitor network traffic and an AWS Lambda function to automatically blockan attackers IP using security groups.

D : Set up an Amazon EventBridge rule to monitor the AWS CloudTrail events in real time, use AWSConfig rules to audit the configuration, and use AWS Systems Manager for remediation.

E : Use AWS WAF to create rules to respond to such attacks.

Answer: B,E

Question 4

A company needs to securely deploy resources and workloads across AWS accounts. Theaccounts are in an organization in AWS Organizations.The company needs to use AWS CloudFormation for infrastructure as code (IaC)management of approved architectural patterns. The company also must enforce taggingrequirements and specific guidelines for resource and workload configuration and creation.Which solution will meet these requirements?

A : Use CloudFormation stack policies to prevent the creation of resources that do not meet the tagging or configuration requirements. Use Amazon EventBridge rules to detect API calls that attempt to create resources outside of CloudFormation.

B : Use an AWS CodePipeline pipeline to test and deploy IaC-defined workloads through CloudFormation into the accounts. Use AWS Config rules to enforce the tagging requirements. Apply an SCP to prevent the creation of misconfigured resources in all OUs.

C : Create an IAM permissions boundary to prevent the creation of misconfigured resources through CloudFormation and to enforce the tagging requirements. Apply the permissions boundary to all account roles. Use AWS Config rules to identify existing resources that are in a misconfigured state.

D : Use AWS Service Catalog with CloudFormation to manage access to approved architecture configurations. Provision Service Catalog portfolios to the accounts across the organization. Use AWS Config rules to enforce the tagging requirements and other resource configuration policies across accounts.

Answer: D

Question 5

A companyâ€™s security policy requires all Amazon EC2 instances to use the Amazon Time SyncService. AWS CloudTrail trails are enabled in all of the companyâ€™s AWS accounts. VPC FlowLogs are enabled for all VPCs.A security engineer must identify any EC2 instances that attempt to use Network TimeProtocol (NTP) servers on the internet.Which solution will meet these requirements?

A : Monitor CloudTrail logs for API calls to non-standard time servers.

B : Monitor CloudTrail logs for API calls to the Amazon Time Sync Service.

C : Monitor VPC Flow Logs for traffic to non-standard time servers.

D : Monitor VPC Flow Logs for traffic to the Amazon Time Sync Service.

Answer: C

Page: 1 / 48

Total 236 Questions | Updated On: Sep 02, 2026

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