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| Section | Weight | Objectives |
|---|---|---|
| Infrastructure Security | 26% | - Architect network security segmentation (VPC architecture) - Design and implement edge security on AWS - Design and implement host-based security - AWS Secret Manager and AWS Systems Manager Parameter Store |
| Identity and Access Management | 20% | - Design and implement identity and access management architecture - Implement temporary credentials and federation - Design and implement cross-account access management - Troubleshoot IAM-based authentication and authorization issues |
| Data Protection | 22% | - Database encryption and access control - Design and implement encryption solutions for data at rest and in transit - Amazon S3 security best practices - AWS CloudTrail and encryption key audit - AWS Key Management Service (KMS) and customer managed keys |
| Incident Response | 12% | - Given an AWS security incident, outline the investigation and mitigation steps - Identify, collect, and preserve forensic evidence - Determine root cause and recurrence prevention |
| Logging and Monitoring | 20% | - Design and implement log analysis and management - Design and implement monitoring and alerting solutions - Troubleshoot security monitoring and alerting |
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NEW QUESTION # 92
A company's application uses standard tier SecureString parameters from AWS Systems Manager Parameter Store. The application is receiving error messages when the company tries to update a parameter. The parameter uses an AWS KMS customer managed key for encryption and decryption.
What are the reasons for the error messages? (Choose Two.)
Answer: C,D
Explanation:
Parameter Store uses AWS KMS to encrypt SecureString parameter values when they are created or changed. When a customer managed key is used, the caller needs explicit KMS permissions, including kms:Encrypt for creating or updating SecureString values. If the application lacks that permission, the update fails. A disabled KMS key also causes failures because AWS KMS cannot perform cryptographic operations with a disabled key. A customer managed key can encrypt many SecureString parameters; existing use by another parameter is not a problem. Standard tier SecureString parameters can use customer managed keys. Using an alias instead of a key ID is also supported, so the alias is not the cause.
NEW QUESTION # 93
CloudFormation stack deployments fail for some users due to permission inconsistencies. Which combination of steps will ensure consistent deployments MOST securely? (Select THREE.)
Answer: A,C,D
Explanation:
AWS best practices require CloudFormation to assume a dedicated service role. This ensures consistent permissions regardless of the user. Users must have iam:PassRole permission to pass the role. Updating stacks to use the service role enforces uniform deployment behavior.
NEW QUESTION # 94
A company has security requirements for Amazon Aurora MySQL databases regarding encryption, deletion protection, public access, and audit logging. The company needs continuous monitoring and real-time visibility into compliance status. Which solution will meet these requirements?
Answer: C
Explanation:
AWS Config is the AWS service designed to continuously evaluate resource configurations against defined rules. According to the AWS Certified Security - Specialty Study Guide, AWS Config managed rules exist specifically to check database encryption, public accessibility, deletion protection, and log exports for Amazon RDS and Aurora.
AWS Config provides a real-time compliance timeline and displays the compliance state of each resource against each rule at any point in time. This granular visibility is required to assess ongoing compliance with security policies.
Audit Manager generates reports but does not provide continuous compliance monitoring.
Security Hub aggregates findings but does not track configuration drift. EventBridge and Lambda introduce unnecessary complexity.
NEW QUESTION # 95
A company needs to follow security best practices to deploy resources from an AWS CloudFormation template. The CloudFormation template must be able to configure sensitive database credentials. The company already uses AWS Key Management Service (AWS KMS) and AWS Secrets Manager. Which solution will meet the requirements?
Answer: A
Explanation:
AWS CloudFormation dynamic references provide a secure mechanism for retrieving sensitive values from AWS Secrets Manager at stack creation or update time. According to the AWS Certified Security - Specialty documentation, dynamic references ensure that sensitive data such as database credentials are never stored in plaintext in CloudFormation templates, parameters, stack metadata, or logs.
When a dynamic reference to Secrets Manager is used, CloudFormation retrieves the secret value at runtime and passes it securely to the resource that requires it. The secret value is not exposed to users who view the template, stack, or change sets.
NEW QUESTION # 96
A security engineer needs to configure DDoS protection for a Network Load Balancer (NLB) with an Elastic IP address. The security engineer wants to set up an AWS WAF web ACL with a rate-based rule statement to protect the NLB.
The security engineer needs to determine a rate limit that will not block legitimate traffic. The security engineer has configured the rule statement to aggregate based on the source IP address.
How should the security engineer configure the rule to protect the NLB?
Answer: B
Explanation:
AWS WAF rate-based rules are designed to help protect applications and resources fromtraffic floods and application-layer DDoS attacksby tracking the number of requests from individual source IP addresses over a rolling time window. According to the AWS Certified Security - Specialty Official Study Guide and AWS WAF documentation, rate-based rules can be configured with different actions, includingCount,Block, and Allow.
When a security engineer is determining an appropriate rate limit that will not block legitimate traffic, AWS best practices recommend initially configuring the rate-based rule with theCountaction. The Count action allows AWS WAF tomonitor and log requests that exceed the specified rate threshold without actively blocking them. This provides visibility into traffic patterns and enables the security engineer to analyze how the rule would behave in production.
By using the Count action, the security engineer can safely evaluate whether legitimate users would be affected by the chosen rate limit. Once the engineer is confident that the threshold accurately distinguishes between normal traffic and malicious behavior, the action can later be changed to Block.
Option B is incorrect because immediately blocking traffic without validation risks denying service to legitimate users. Option C is invalid because AWS WAF does not have a Monitor action. Option D is incorrect because the Allow action does not enforce rate limiting.
AWS documentation explicitly recommendsstarting rate-based rules in Count modeto fine-tune thresholds before enforcing blocks, especially for DDoS protection scenarios.
* AWS Certified Security - Specialty Official Study Guide
* AWS WAF Developer Guide - Rate-Based Rules
* AWS DDoS Resiliency Best Practices
NEW QUESTION # 97
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