SCS-C03 Examengine - SCS-C03 Zertifizierungsprüfung

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Amazon SCS-C03 Prüfungsplan:

Thema	Einzelheiten
Thema 1	Security Foundations and Governance: This domain addresses foundational security practices including policies, compliance frameworks, risk management, security automation, and audit procedures for AWS environments.
Thema 2	Incident Response: This domain addresses responding to security incidents through automated and manual strategies, containment, forensic analysis, and recovery procedures to minimize impact and restore operations.
Thema 3	Detection: This domain covers identifying and monitoring security events, threats, and vulnerabilities in AWS through logging, monitoring, and alerting mechanisms to detect anomalies and unauthorized access.
Thema 4	Identity and Access Management: This domain deals with controlling authentication and authorization through user identity management, role-based access, federation, and implementing least privilege principles.

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SCS-C03 Zertifizierungsprüfung - SCS-C03 Zertifikatsfragen

Die Fragenkataloge von EchteFrage enthalten die Lernmaterialien und Simulationsfragen zur Amazon SCS-C03 Zertifizierungsprüfung. Noch wichtiger bieten wir die originalen SCS-C03 Fragen Und Antworten.

Amazon AWS Certified Security - Specialty SCS-C03 Prüfungsfragen mit Lösungen (Q147-Q152):

147. Frage
A company receives an alert from AWS Support. The alert shows a compromised access key on a single standalone AWS account. A security engineer must determine the scope of the issue. Then, the security engineer must triage and remediate the issue.
Which solution will meet these requirements?

A. Review AWS CloudTrail logs. Remove any unauthorized resources. Rotate all IAM access keys for the user that has the AWSCompromisedKeyQuarantineV3 policy attached. Remove the policy from the user.
B. Delete the IAM user that has the AWSCompromisedKeyQuarantineV3 policy attached. Review Amazon CloudWatch for suspicious activity.
C. Review Amazon CloudWatch logs for suspicious activity. Remove all unauthorized resources. Rotate the impacted IAM access keys.
D. Remove the AWSCompromisedKeyQuarantineV3 policy from the impacted IAM user. Review AWS CloudTrail logs. Remove any unauthorized resources.

Antwort: A

Begründung:
Comprehensive and Detailed 100to 150 words of Explanation From AWS Certified Security - Specialty topics:
AWSCompromisedKeyQuarantineV3 is applied by AWS when IAM user credentials are compromised or exposed, and AWS explicitly warns not to remove the policy until the support-case instructions are followed.
The correct response is to first determine scope by reviewing CloudTrail activity for the compromised key, identify API calls and unauthorized resources, remove unauthorized resources, rotate or replace the compromised access keys, and only then remove the quarantine policy after remediation is complete. Deleting the user immediately can destroy useful attribution and may break legitimate dependencies. Removing the quarantine policy first is unsafe because it may restore attacker capability. CloudWatch logs alone do not provide the full account-wide API activity trail needed for scope determination.

148. Frage
A systems administrator was attempting to launch a new Amazon EC2 instance with an encrypted boot volume using a new AWS KMS customer managed key. The EC2 console initially stated the launch was successful, but the instance was subsequently terminated. The IAM role used by the systems administrator has the following IAM permissions:
* ec2:Describe*
* ec2:AuthorizeSecurityGroupIngress
* kms:Encrypt
* kms:Decrypt
* kms:ReEncrypt*
* kms:GenerateDataKey*
* kms:DescribeKey
Which IAM permission is the systems administrator missing?

A. kms:CreateGrant
B. kms:EnableKey
C. kms:GetKeyRotationStatus
D. kms:GenerateRandom

Antwort: A

Begründung:
Comprehensive and Detailed 100to 150 words of Explanation From AWS Certified Security - Specialty topics:
When EC2 launches an instance with an encrypted EBS boot volume that uses a customer managed KMS key, AWS services must be able to use the key on behalf of the instance workflow. KMS grants are commonly required so the integrated AWS service can use the customer managed key for EBS encryption operations.
Without kms:CreateGrant, the launch can appear to start but later fail when EC2/EBS cannot establish the needed grant to use the key. GetKeyRotationStatus only reads rotation configuration, GenerateRandom is unrelated to EBS encryption, and EnableKey is an administrative action for re-enabling a disabled key. The missing operational permission for encrypted volume launch is CreateGrant.

149. Frage
A company is operating an open-source software platform that is internet facing. The legacy software platform no longer receives security updates. The software platform operates using Amazon Route 53 weighted load balancing to send traffic to two Amazon EC2 instances that connect to an Amazon RDS cluster. A recent report suggests this software platform is vulnerable to SQL injection attacks, with samples of attacks provided. The company's security engineer must secure this system against SQL injection attacks within 24 hours. The solution must involve the least amount of effort and maintain normal operations during implementation. What should the security engineer do to meet these requirements?

A. Obtain the latest source code for the platform and make the necessary updates. Test the updated code to ensure that the vulnerability has been mitigated, then deploy the patched version of the platform to the EC2 instances.
B. Update the security group that is attached to the EC2 instances, removing access from the internet to the TCP port used by the SQL database. Create an AWS WAF web ACL containing rules that protect the application from this attack, then apply it to the EC2 instances. Test to ensure the vulnerability has been mitigated, then restore the security group to the original setting.
C. Create an Amazon CloudFront distribution specifying one EC2 instance as an origin. Create an AWS WAF web ACL containing rules that protect the application from this attack, then apply it to the distribution. Test to ensure the vulnerability has been mitigated, then redirect the Route 53 records to point to CloudFront.
D. Create an Application Load Balancer with the existing EC2 instances as a target group. Create an AWS WAF web ACL containing rules that protect the application from this attack, then apply it to the ALB. Test to ensure the vulnerability has been mitigated, then redirect the Route 53 records to point to the ALB. Update security groups on the EC2 instances to prevent direct access from the internet.

Antwort: D

Begründung:
AWS WAF provides managed and custom rules that can immediately mitigate common web exploits such as SQL injection without modifying application code. According to AWS Certified Security - Specialty documentation, placing AWS WAF in front of an Application Load Balancer is a recommended rapid-response control for legacy applications with known vulnerabilities.
Creating an ALB in front of the existing EC2 instances allows seamless traffic migration. AWS WAF SQL injection rules can be deployed and tested without downtime. Updating Route 53 to point to the ALB preserves normal operations. Restricting EC2 security groups afterward prevents bypassing the WAF.

150. Frage
A security engineer for a company is investigating suspicious traffic on a web application in the AWS Cloud.
The web application is protected by an Application Load Balancer (ALB) behind an Amazon CloudFront distribution. There is an AWS WAF web ACL associated with the ALB. The company stores AWS WAF logs in an Amazon S3 bucket.
The engineer notices that all incoming requests in the AWS WAF logs originate from a small number of IP addresses that correspond to CloudFront edge locations. The security engineer must identify the source IP addresses of the clients that are initiating the suspicious requests.
Which solution will meet this requirement?

A. Modify the CloudFront distribution to disable ALB connection reuse. Examine the clientIp field in the AWS WAF logs to identify the original client IP addresses.
B. Inspect the X-Forwarded-For header in the AWS WAF logs to determine the original client IP addresses.
C. Enable VPC Flow Logs in the VPC where the ALB is deployed. Examine the source field to capture the client IP addresses.
D. Configure CloudFront to add a custom header named Client-IP to origin requests that are sent to the ALB.

Antwort: B

151. Frage
An AWS Lambda function was misused to alter data, and a security engineer must identify who invoked the function and what output was produced. The engineer cannot find any logs created by the Lambda function in Amazon CloudWatch Logs.
Which of the following explains why the logs are not available?

A. The execution role for the Lambda function did not grant permissions to write log data to CloudWatch Logs.
B. The Lambda function was invoked by using Amazon API Gateway, so the logs are not stored in CloudWatch Logs.
C. The version of the Lambda function that was invoked was not current.
D. The execution role for the Lambda function did not grant permissions to write to the Amazon S3 bucket where CloudWatch Logs stores the logs.

Antwort: A

Begründung:
AWS Lambda automatically sends function execution logs to Amazon CloudWatch Logs when logging is enabled in the function code. However, this logging capability depends on the Lambda execution role having the appropriate permissions. According to the AWS Certified Security - Specialty Study Guide, the execution role must include permissions such as logs:CreateLogGroup, logs:CreateLogStream, and logs:PutLogEvents.
If these permissions are missing, Lambda cannot create log groups or streams, and no execution logs will appear in CloudWatch Logs-even though the function was successfully invoked. This is the most common reason Lambda logs are unavailable during forensic investigations.
Option B is incorrect because Lambda logs are stored in CloudWatch Logs regardless of whether the invocation source is API Gateway, EventBridge, or another AWS service. Option C is incorrect because CloudWatch Logs does not require direct S3 permissions from the Lambda execution role. Option D is irrelevant because Lambda versions do not affect logging behavior.
AWS documentation emphasizes verifying execution role permissions as a first step when Lambda logs are missing.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS Lambda Execution Roles
Amazon CloudWatch Logs Integration with Lambda

152. Frage
......

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