Amazon SCS-C03 Exam Study Material
AWS Certified Security – Specialty- 179 Questions & Answers
- Update Date : May 28, 2026
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Question 1
A company runs its microservices architecture in Kubernetes containers on AWS by using Amazon Elastic Kubernetes Service (Amazon EKS) and Amazon Aurora. The company has an organization in AWS Organizations to manage hundreds of AWS accounts that host different microservices. The company needs to implement a monitoring solution for logs from all AWS resources across all accounts. The solution must include automatic detection of security-related issues. Which solution will meet these requirements with theLEAST operational effort?
A. Designate an Amazon GuardDuty administrator account in the organization’s management account. Enable GuardDuty for all accounts. Enable EKS Protection and RDS Protection in the GuardDuty administrator account.B. Designate a monitoring account. Share Amazon CloudWatch Logs from all accounts. Use Amazon Inspector to evaluate the logs.
C. Centralize CloudTrail logs in Amazon S3 and analyze them with Amazon Athena.
D. Stream CloudWatch Logs to Amazon Kinesis and analyze them with custom AWS Lambda functions.
Question 2
A company has contracted with a third party to audit several AWS accounts. To enable the audit, cross-account IAM roles have been created in each account targeted for audit. The auditor is having trouble accessing some of the accounts. Which of the following may be causing this problem? (Select THREE.)
A. The external ID used by the auditor is missing or incorrect.B. The auditor is using the incorrect password.
C. The auditor has not been grantedsts:AssumeRolefor the role in the destination account.
D. The Amazon EC2 role used by the auditor must be set to the destination account role.
E. The secret key used by the auditor is missing or incorrect.
F. The role ARN used by the auditor is missing or incorrect.
Question 3
A company has configured an organization in AWS Organizations for its AWS accounts. AWS CloudTrail is enabled in all AWS Regions. A security engineer must implement a solution toprevent CloudTrail from being disabled. Which solution will meet this requirement?
A. Enable CloudTrail log file integrity validation from the organization's management account.B. Enable server-side encryption with AWS KMS keys (SSE-KMS) for CloudTrail logs. Create a KMS key. Attach a policy to the key to prevent decryption of the logs.
C. Create a service control policy (SCP) that includes an explicitDenyrule for the cloudtrail:StopLogging action and the cloudtrail:DeleteTrail action. Attach the SCP to the root OU.
D. Create IAM policies for all the company's users to prevent the users from performing the DescribeTrails action and the GetTrailStatus action.
Question 4
A company is running an application on Amazon EC2 instances in an Auto Scaling group. The application stores logs locally. A security engineer noticed that logs were lost after a scale-in event. The security engineer needs to recommend a solution to ensure the durability and availability of log data. All logs must be kept for a minimum of 1 year for auditing purposes. What should the security engineer recommend?
A. Within the Auto Scaling lifecycle, add a hook to create and attach an Amazon Elastic Block Store (Amazon EBS) log volume each time an EC2 instance is created. When the instance is terminated, the EBS volume can be reattached to another instance for log review.B. Create an Amazon Elastic File System (Amazon EFS) file system and add a command in the user data section of the Auto Scaling launch template to mount the EFS file system during EC2 instance creation. Configure a process on the instance to copy the logs once a day from an instance Amazon Elastic Block Store (Amazon EBS) volume to a directory in the EFS file system.
C. Add an Amazon CloudWatch agent into the AMI used in the Auto Scaling group. Configure the CloudWatch agent to send the logs to Amazon CloudWatch Logs for review.
D. Within the Auto Scaling lifecycle, add a lifecycle hook at the terminating state transition and alert the engineering team by using a lifecycle notification to Amazon Simple Notification Service (Amazon SNS). Configure the hook to remain in the Terminating:Wait state for 1 hour to allow manual review of the security logs prior to instance termination.
Question 5
A security engineer recently rotated the host keys for an Amazon EC2 instance. The security engineer is trying to access the EC2 instance by using the EC2 Instance Connect feature. However, the security engineer receives an error for failed host key validation. Before the rotation of the host keys, EC2 Instance Connect worked correctly with this EC2 instance. What should the security engineer do to resolve this error?
A. Import the key material into AWS Key Management Service (AWS KMS).B. Manually upload the new host key to the AWS trusted host keys database.
C. Ensure that the AmazonSSMManagedInstanceCore policy is attached to the EC2 instance profile.
D. Create a new SSH key pair for the EC2 instance.