最新SCS-C03試題 &免費下載SCS-C03考題

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Amazon SCS-C03 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Logging and Monitoring	20%	- Design and implement monitoring and alerting solutions - Design and implement log analysis and management - Troubleshoot security monitoring and alerting
Topic 2: Infrastructure Security	26%	- AWS Secret Manager and AWS Systems Manager Parameter Store - Architect network security segmentation (VPC architecture) - Design and implement edge security on AWS - Design and implement host-based security
Topic 3: Identity and Access Management	20%	- Implement temporary credentials and federation - Design and implement identity and access management architecture - Troubleshoot IAM-based authentication and authorization issues - Design and implement cross-account access management
Topic 4: Data Protection	22%	- Amazon S3 security best practices - AWS Key Management Service (KMS) and customer managed keys - AWS CloudTrail and encryption key audit - Database encryption and access control - Design and implement encryption solutions for data at rest and in transit
Topic 5: Incident Response	12%	- Determine root cause and recurrence prevention - Identify, collect, and preserve forensic evidence - Given an AWS security incident, outline the investigation and mitigation steps

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最新的 AWS Certified Specialty SCS-C03 免費考試真題 (Q48-Q53):

問題 #48
A security engineer needs to implement AWS IAM Identity Center with an external identity provider (IdP).
Select and order the correct steps from the following list to meet this requirement. Select each step one time or not at all. (Select and order THREE.)
. Configure the external IdP as the identity source in IAM Identity Center.
. Create an IAM role that has a trust policy that specifies the IdP ' s API endpoint.
. Enable automatic provisioning in IAM Identity Center settings.
. Enable automatic provisioning in the external IdP.
. Obtain the SAML metadata from IAM Identity Center.
. Obtain the SAML metadata from the external IdP.

答案：

解題說明：

Explanation:
Step 1:Obtain the SAML metadata fromIAM Identity Center.
Step 2:Obtain the SAML metadata from theexternal IdP.
Step 3:Configure theexternal IdP as the identity sourceinIAM Identity Center.
When integratingAWS IAM Identity Center (formerly AWS SSO)with anexternal identity provider (IdP) usingSAML 2.0, AWS requires a specific sequence of steps to establish trust and federation correctly.
Step 1: Obtain the SAML metadata from IAM Identity Center
IAM Identity Center acts as theservice provider (SP)in the SAML trust. The external IdP must trust IAM Identity Center, so the IdP needs IAM Identity Center's SAML metadata first. This metadata contains critical information such as the SP entity ID, ACS (Assertion Consumer Service) URL, and signing certificate.
Without this metadata, the external IdP cannot be configured to send assertions to AWS.
Step 2: Obtain the SAML metadata from the external IdP
After the external IdP is configured to trust IAM Identity Center, the IdP generates its own SAML metadata.
This metadata includes the IdP entity ID, SSO endpoint, and signing certificate. IAM Identity Center requires this information to validate authentication assertions coming from the external IdP.
Step 3: Configure the external IdP as the identity source in IAM Identity Center Once both metadata files are available, the security engineer configures the external IdP as theidentity sourcein IAM Identity Center. At this stage, IAM Identity Center imports the IdP metadata and establishes the SAML trust relationship. After this configuration, users authenticated by the external IdP can be federated into AWS accounts and applications via IAM Identity Center.
Why the other options are incorrect:
* Creating an IAM role with an IdP API endpoint is used forIAM federation, not IAM Identity Center.
* Automatic provisioning (SCIM) is optional and is configuredafterSAML federation is established.
* Automatic provisioning must be enabled onboth sides, but it is not required to complete the core IdP integration.
This sequence follows AWS best practices for SAML-based federation with IAM Identity Center.

問題 #49
A company is using Amazon Macie, AWS Firewall Manager, Amazon Inspector, and AWS Shield Advanced in its AWS account. The company wants to receive alerts if a DDoS attack occurs against the account.
Which solution will meet this requirement?

A. Use Amazon Inspector to review resources and invoke Amazon CloudWatch alarms for any resources that are vulnerable to DDoS attacks.
B. Create an Amazon CloudWatch alarm that monitors AWS Shield Advanced metrics for an active DDoS event.
C. Create an Amazon CloudWatch alarm that monitors AWS Firewall Manager metrics for an active DDoS event.
D. Use Amazon Macie to detect an active DDoS event and create Amazon CloudWatch alarms that respond to Macie findings.

答案：B

解題說明：
AWS Shield Advanced is the AWS-native managed service specifically designed to provide detection, mitigation, and visibility for Distributed Denial of Service (DDoS) attacks at both the network and application layers. Shield Advanced integrates directly with Amazon CloudWatch by publishing DDoS-related metrics such as DDoSDetected, AttackVolume, and AttackVector, which can be monitored using CloudWatch alarms to trigger alerts in near real time.

問題 #50
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 to prevent CloudTrail from being disabled.
Which solution will meet this requirement?

A. 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.
B. Create IAM policies for all the company's users to prevent the users from performing the DescribeTrails action and the GetTrailStatus action.
C. Enable CloudTrail log file integrity validation from the organization's management account.
D. Create a service control policy (SCP) that includes an explicit Deny rule for the cloudtrail:StopLogging action and the cloudtrail:DeleteTrail action. Attach the SCP to the root OU.

答案：D

解題說明：
AWS CloudTrail is a foundational security service that records API activity and account events.
According to the AWS Certified Security - Specialty Official Study Guide, the only way to centrally and reliably prevent CloudTrail from being disabled across multiple AWS accounts is by using AWS Organizations service control policies (SCPs).
SCPs define the maximum available permissions for all accounts in an organization or organizational unit. By creating an SCP with an explicit Deny for the cloudtrail:StopLogging and cloudtrail:DeleteTrail actions and attaching it to the root OU, the security engineer ensures that no principal in any member account--including administrators--can stop or delete CloudTrail trails.
Explicit denies in SCPs cannot be overridden by IAM permissions.

問題 #51
A recent security audit identified that a company's application team injects database credentials into the environment variables of an AWS Fargate task. The company's security policy mandates that all sensitive data be encrypted at rest and in transit.
Which combination of actions should the security team take to make the application compliant with the security policy? (Choose Three.)

A. Modify the application to pull credentials from the AWS Secrets Manager secret instead of the environment variables.
B. Log in to the AWS Fargate instance, create a script to read the secret value from AWS Secrets Manager, and inject the environment variables. Ask the application team to redeploy the application.
C. Create an AWS Secrets Manager secret and specify the key-value pairs to be stored in this secret.
D. Store the credentials securely in a file in an Amazon S3 bucket with restricted access to the application team IAM role. Ask the application team to read the credentials from the S3 object instead.
E. Add a policy statement to the container instance IAM role that allows ssm:GetParameters, secretsmanager:GetSecretValue, and kms:Decrypt for the required secret and KMS key.
F. Add a policy statement to the task role or task execution role that allows ssm:GetParameters, secretsmanager:GetSecretValue, and kms:Decrypt for the required secret and KMS key.

答案：A,C,F

解題說明：
Secrets Manager is the appropriate service for database credentials because it encrypts secrets at rest with AWS KMS and retrieves them over TLS. The application should stop storing sensitive credentials directly in environment variables and retrieve them from Secrets Manager at runtime, or the ECS task should reference the secret securely through the task definition. In either design, the task role or task execution role must have permission to call secretsmanager:GetSecretValue and kms:Decrypt for the specific secret and KMS key. Storing credentials in S3 is a weaker secret-management pattern. A Fargate task has no EC2 container instance role that the customer manages. Logging in to a Fargate instance is not valid and would not be an auditable secure deployment pattern.

問題 #52
A company has a large fleet of Amazon Linux 2 Amazon EC2 instances that run an application processing sensitive data. Compliance requirements include no exposed management ports, full session logging, and authentication through AWS IAM Identity Center. DevOps engineers occasionally need access for troubleshooting.
Which solution will provide remote access while meeting these requirements?

A. Grant access to the EC2 serial console and allow IAM role access.
B. Enable EC2 Instance Connect and configure security groups accordingly.
C. Use Systems Manager Automation to temporarily open remote access ports.
D. Assign an EC2 instance role that allows access to AWS Systems Manager. Create an IAM policy that grants access to Systems Manager Session Manager and assign it to an IAM Identity Center role.

答案：D

解題說明：
AWS Systems Manager Session Manager provides secure, auditable shell access to EC2 instances without opening inbound ports. According to AWS Certified Security - Specialty guidance, Session Manager records all session activity to CloudWatch Logs or Amazon S3 and integrates with IAM Identity Center for centralized authentication.
This solution meets all requirements: no exposed ports, full audit logging, and identity-based access control.
EC2 Instance Connect and serial console access do not integrate with Identity Center and may expose management paths.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS Systems Manager Session Manager
AWS IAM Identity Center Integration

問題 #53
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