Alan Wright Alan Wright
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SCS-C03??????SCS-C03????
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SCS-C03???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SCS-C03??????????????????????????????????????
Amazon SCS-C03?????SCS-C03?????????
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Amazon SCS-C03 ??????????
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- This domain focuses on securing AWS infrastructure including networks, compute resources, and edge services through secure architectures, protection mechanisms, and hardened configurations.
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- Incident Response:
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- This domain centers on protecting data at rest and in transit through encryption, key management, data classification, secure storage, and backup mechanisms.
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- Infrastructure Security:
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- This domain addresses responding to security incidents through automated and manual strategies, containment, forensic analysis, and recovery procedures to minimize impact and restore operations.
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- Security Foundations and Governance:
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- This domain addresses foundational security practices including policies, compliance frameworks, risk management, security automation, and audit procedures for AWS environments.
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- Data Protection:
Amazon AWS Certified Security - Specialty ?? SCS-C03 ???? (Q67-Q72):
?? # 67
A company uses AWS to run a web application that manages ticket sales in several countries. The company recently migrated the application to an architecture that includes Amazon API Gateway, AWS Lambda, and Amazon Aurora Serverless. The company needs the application to comply with Payment Card Industry Data Security Standard (PCI DSS) v4.0. A security engineer must generate a report that shows the effectiveness of the PCI DSS v4.0 controls that apply to the application. The company's compliance team must be able to add manual evidence to the report.
Which solution will meet these requirements?
- A. Enable AWS Trusted Advisor. Configure all the Trusted Advisor checks. Manually map the checks against the PCI DSS v4.0 standard to generate the report.
- B. Enable AWS Security Hub. Enable the Security Hub PCI DSS security standard. Use the AWS Management Console to download the report from the security standard.
- C. Create an AWS Audit Manager assessment that uses the AWS managed PCI DSS v4.0 standard framework. Add all evidence to the assessment. Generate the report in Audit Manager for download.
- D. Enable and configure AWS Config. Deploy the Operational Best Practices for PCI DSS conformance pack in AWS Config. Use AWS Config to generate the report.
???C
?? # 68
A security engineer wants to forward custom application-security logs from an Amazon EC2 instance to Amazon CloudWatch. The security engineer installs the CloudWatch agent on the EC2 instance and adds the path of the logs to the CloudWatch configuration file.
However, CloudWatch does not receive the logs. The security engineer verifies that the awslogs service is running on the EC2 instance.
What should the security engineer do next to resolve the issue?
- A. Add Amazon Inspector to the trust policy of the EC2 instance. Use Amazon Inspector instead of the CloudWatch agent to collect the custom logs.
- B. Attach the CloudWatchAgentServerPolicy AWS managed policy to the EC2 instance role.
- C. Add Amazon S3 to the trust policy of the EC2 instance. Configure the application to write the custom logs to an S3 bucket that CloudWatch can use to ingest the logs.
- D. Add AWS CloudTrail to the trust policy of the EC2 instance. Send the custom logs to CloudTrail instead of CloudWatch.
???B
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The Amazon CloudWatch agent requires explicit IAM permissions to create log groups, create log streams, and put log events into Amazon CloudWatch Logs. According to the AWS Certified Security - Specialty Study Guide, the most common cause of CloudWatch agent log delivery failures is missing or insufficient IAM permissions on the EC2 instance role.
The CloudWatchAgentServerPolicy AWS managed policy provides the required permissions, including logs:
CreateLogGroup, logs:CreateLogStream, and logs:PutLogEvents. Attaching this policy to the EC2 instance role enables the CloudWatch agent to successfully deliver custom application logs without requiring changes to the application or logging configuration.
Options A, B, and C are incorrect because CloudTrail, Amazon S3, and Amazon Inspector are not designed to ingest custom application logs from EC2 instances in this manner. AWS documentation clearly states that IAM permissions must be granted to the EC2 role for CloudWatch Logs ingestion.
This approach aligns with AWS best practices for least privilege while ensuring reliable detection and monitoring capabilities.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
Amazon CloudWatch Logs Agent Configuration
AWS IAM Best Practices for Monitoring
?? # 69
A company needs centralized log monitoring with automatic detection across hundreds of AWS accounts.
Which solution meets these requirements with the LEAST operational effort?
- A. Stream logs to Kinesis and process with Lambda.
- B. Designate a GuardDuty administrator account and enable protections.
- C. Centralize CloudTrail logs and query with Athena.
- D. Centralize CloudWatch logs and use Inspector.
???B
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Amazon GuardDuty provides fully managed threat detection across accounts when configured with delegated administration. EKS and RDS protections enable workload-aware detection with minimal setup.
Other solutions require custom pipelines and higher operational overhead.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
Amazon GuardDuty Multi-Account Architecture
?? # 70
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 the CloudWatch agent on the ALB and send application logs to CloudWatch Logs.
- B. Configure the ALB to export access logs to an Amazon OpenSearch Service cluster and search for the new-user-creation.php occurrences.
- C. 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.
- D. 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.
???C
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AWS WAF logs capture detailed request-level information, including source IP address, request URI, headers, and rule evaluation results. According to the AWS Certified Security - Specialty documentation, AWS WAF logging is a critical detection control when application-level attacks are suspected, especially when host-based logs are unreliable or can be erased by attackers.
By configuring the AWS WAF web ACL to send logs to Amazon Data Firehose, the company ensures that all future requests are centrally captured and delivered to a durable storage service such as Amazon S3. Using Amazon Athena, the security team can query these logs to identify requests targeting specific application paths such as new-user-creation.php and extract the originating client IP addresses.
?? # 71
A security engineer needs to build a solution to turn AWS CloudTrail back on in multiple AWS Regions in case it is ever turned off.
What is the MOST efficient way to implement this solution?
- A. Use AWS Config with a managed rule to initiate the AWS-EnableCloudTrail remediation.
- B. Create an Amazon EventBridge event with a cloudtrail.amazonaws.com event source and a StartLogging event name to invoke an AWS Lambda function to call the StartLogging API.
- C. Monitor AWS Trusted Advisor to ensure CloudTrail logging is enabled.
- D. Create an Amazon CloudWatch alarm with a cloudtrail.amazonaws.com event source and a StopLogging event name to invoke an AWS Lambda function to call the StartLogging API.
???A
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The most efficient approach is to useAWS Configbecause Config is designed for continuous compliance evaluation and can automatically triggermanaged remediationwhen a resource drifts from the desired state. A managed Config rule that detects when CloudTrail is not logging, combined with theAWS- EnableCloudTrailremediation action, provides an automated way to re-enable CloudTrail without building and maintaining custom event processing code. This is especially valuable in multi-Region environments because Config can evaluate configurations across Regions and enforce the intended posture consistently.
Option B is illogical: triggering on StartLogging does not help when CloudTrail is turned off. Option C is not as operationally efficient because CloudWatch alarms are not the standard mechanism for reacting to CloudTrail API events; EventBridge is the proper event bus for API call events, but you would still be writing and maintaining Lambda logic and multi-Region plumbing. Option D is manual and delayed, not automated remediation.
Therefore, AWS Config with a managed rule and the AWS-provided remediation to enable CloudTrail is the most maintainable and efficient solution.
?? # 72
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