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[General] SCS-C03 Test Simulator - AWS Certified Security - Specialty Realistic 100% Pass

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【General】 SCS-C03 Test Simulator - AWS Certified Security - Specialty Realistic 100% Pass

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Amazon SCS-C03 Exam Syllabus Topics:
TopicDetails
Topic 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.
Topic 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.
Topic 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.
Topic 4
  • Infrastructure Security: This domain focuses on securing AWS infrastructure including networks, compute resources, and edge services through secure architectures, protection mechanisms, and hardened configurations.
Topic 5
  • Data Protection: 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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Amazon AWS Certified Security - Specialty Sample Questions (Q95-Q100):NEW QUESTION # 95
A company is running an application in the eu-west-1 Region. The application uses an AWS Key Management Service (AWS KMS) customer managed key to encrypt sensitive data. The company plans to deploy the application in the eu-north-1 Region. A security engineer needs to implement a key management solution for the application deployment in the new Region. The security engineer must minimize changes to the application code. Which change should the security engineer make to the AWS KMS configuration to meet these requirements?
  • A. Allocate a new customer managed key to eu-north-1. Create an alias for eu--1. Change the application code to point to the alias for eu--1.
  • B. Update the key policies in eu-west-1. Point the application in eu-north-1 to use the same customer managed key as the application in eu-west-1.
  • C. Allocate a new customer managed key to eu-north-1. Create the same alias name for both keys.
    Configure the application deployment to use the key alias.
  • D. Allocate a new customer managed key to eu-north-1 to be used by the application that is deployed in that Region.
Answer: C
Explanation:
AWS KMS keys are regional resources and cannot be used across Regions. According to AWS Certified Security - Specialty documentation, applications that are deployed in multiple Regions should use region-specific customer managed keys while referencing keys by alias instead of key ID.
By creating a new customer managed key in eu-north-1 and assigning it the same alias as the key in eu-west-1, the application code can continue to reference the alias without modification.
Each Region resolves the alias to the correct local key, ensuring encryption continues to function correctly.
Option A is invalid because KMS keys are regional. Option B requires application changes.
Option D introduces unsupported alias patterns.
AWS best practices recommend alias-based key references for multi-Region deployments.

NEW QUESTION # 96
A security engineer receives a notice about suspicious activity from a Linux-based Amazon EC2 instance that uses Amazon Elastic Block Store (Amazon EBS)-based storage. The instance is making connections to known malicious addresses.
The instance is in a development account within a VPC that is in the us-east-1 Region. The VPC contains an internet gateway and has a subnet in us-east-1a and us-east-1b. Each subnet is associated with a route table that uses the internet gateway as a default route. Each subnet also uses the default network ACL. The suspicious EC2 instance runs within the us-east-1b subnet.
During an initial investigation, a security engineer discovers that the suspicious instance is the only instance that runs in the subnet.
Which response will immediately mitigate the attack and help investigate the root cause?
  • A. Log in to the suspicious instance and use the netstat command to identify remote connections.
    Use the IP addresses from these remote connections to create deny rules in the security group of the instance. Install diagnostic tools on the instance for investigation. Update the outbound network ACL for the subnet in us-east-1b to explicitly deny all connections as the first rule during the investigation of the instance.
  • B. Create an AWS WAF web ACL that denies traffic to and from the suspicious instance. Attach the AWS WAF web ACL to the instance to mitigate the attack. Log in to the instance and install diagnostic tools to investigate the instance.
  • C. Update the outbound network ACL for the subnet in us-east-1b to explicitly deny all connections as the first rule. Replace the security group with a new security group that allows connections only from a diagnostics security group. Update the outbound network ACL for the us-east-1b subnet to remove the deny all rule. Launch a new EC2 instance that has diagnostic tools. Assign the new security group to the new EC2 instance. Use the new EC2 instance to investigate the suspicious instance.
  • D. Ensure that the Amazon Elastic Block Store (Amazon EBS) volumes that are attached to the suspicious EC2 instance will not delete upon termination. Terminate the instance. Launch a new EC2 instance in us-east-1a that has diagnostic tools. Mount the EBS volumes from the terminated instance for investigation.
Answer: D
Explanation:
AWS incident response best practices emphasize immediate containment, preservation of evidence, and safe forensic investigation. According to the AWS Certified Security - Specialty Study Guide, when an EC2 instance is suspected of compromise, security teams should avoid logging in to the instance or installing additional tools, as these actions can alter evidence and increase risk.
Terminating the compromised instance after ensuring that its Amazon EBS volumes are preserved prevents further malicious activity immediately. By setting the EBS volumes to not delete on termination, all disk data is retained for forensic analysis. Launching a new, clean EC2 instance in a different subnet or Availability Zone with preinstalled diagnostic tools allows investigators to safely attach and analyze the compromised volumes without executing potentially malicious code.
Option A introduces significant risk by logging in to the compromised instance and modifying security controls during active compromise. Option B delays containment and allows continued outbound traffic during investigation steps. Option D is invalid because AWS WAF cannot be attached directly to Amazon EC2 instances and does not control outbound traffic.
AWS documentation strongly recommends isolating or terminating compromised resources and performing offline analysis using detached storage volumes. This approach ensures immediate mitigation, preserves forensic integrity, and aligns with AWS incident response frameworks.

NEW QUESTION # 97
A company's security team wants to receive email notification from AWS about any abuse reports regarding DoS attacks. A security engineer needs to implement a solution that will provide a near- real-time alert for any abuse reports that AWS sends for the account. The security engineer already has created an Amazon Simple Notification Service (Amazon SNS) topic and has subscribed the security team's email address to the topic. What should the security engineer do next to meet these requirements?
  • A. Create an Amazon EventBridge rule that uses AWS Health and identifies a specific event for AWS_ABUSE_DOS_REPORT. Configure the rule action to publish a message to the SNS topic.
  • B. Use the AWS Support API and a scheduled Lambda function to detect abuse report cases.
  • C. Use AWS CloudTrail logs with metric filters to detect AWS_ABUSE_DOS_REPORT events.
  • D. Use the AWS Trusted Advisor API and a scheduled Lambda function to detect AWS_ABUSE_DOS_REPORT notifications.
Answer: A
Explanation:
AWS Health provides real-time visibility into events that affect AWS accounts, including abuse notifications such as AWS_ABUSE_DOS_REPORT. According to the AWS Certified Security - Specialty Study Guide, AWS Health events are natively integrated with Amazon EventBridge, enabling automated, near-real-time responses without polling or custom code.
By creating an EventBridge rule that listens for AWS Health events related to abuse reports and configuring the rule to publish messages to an SNS topic, the security engineer ensures immediate notification to the security team whenever AWS issues a DoS-related abuse report for the account.

NEW QUESTION # 98
A company is developing an application that runs across a combination of Amazon EC2 On- Demand Instances and Spot Instances. A security engineer needs to provide a logging solution that makes logs for all instances available from a single location. The solution must allow only a specific set of users to analyze the logs for event patterns. The users must be able to use SQL queries on the logs to perform root cause analysis. Which solution will meet these requirements?
  • A. Configure each EC2 instance to send its application logs to its own specific Amazon CloudWatch Logs log group. Allow only specific users to access the log groups. Use Amazon Athena to query all the log groups.
  • B. Configure the EC2 instances to send application logs to a single Amazon CloudWatch Logs log group. Allow only specific users to access the log group. Use CloudWatch Logs Insights to query the log group.
  • C. Configure the EC2 instances to send application logs to a single Amazon S3 bucket. Allow only specific users to access the S3 bucket. Use Amazon CloudWatch Logs Insights to query the log files in the S3 bucket.
  • D. Configure the EC2 instances to send application logs to a single Amazon CloudWatch Logs log group. Grant Amazon Detective access to the log group. Allow only specific users to use Detective to analyze the logs.
Answer: B
Explanation:
Amazon CloudWatch Logs provides a centralized, scalable service for collecting and storing logs from Amazon EC2 instances, regardless of whether the instances are On-Demand or Spot Instances. According to the AWS Certified Security - Specialty Official Study Guide, CloudWatch Logs is the recommended service for centralized log aggregation and near-real-time analysis of application and system logs.
By configuring all EC2 instances to send logs to a single CloudWatch Logs log group, the security engineer ensures that logs from all instances are available in one centralized location. Access to the log group can be restricted by using IAM policies, ensuring that only authorized users can view and analyze the logs.
CloudWatch Logs Insights provides a powerful query language with SQL-like syntax, enabling users to search, filter, aggregate, and analyze log data efficiently. This directly satisfies the requirement for SQL-style queries to identify event patterns and perform root cause analysis without requiring data movement or additional services.

NEW QUESTION # 99
A company detects bot activity targeting Amazon Cognito user pool endpoints. The solution must block malicious requests while maintaining access for legitimate users. Which solution meets these requirements?
  • A. Monitor requests with CloudWatch.
  • B. Restrict access to authenticated users only.
  • C. Enable Amazon Cognito threat protection.
  • D. Associate AWS WAF with the Cognito user pool.
Answer: C
Explanation:
Amazon Cognito threat protection is purpose-built to detect and mitigate malicious authentication activity such as credential stuffing and bot traffic. It uses adaptive risk-based analysis without disrupting legitimate users.
AWS WAF cannot be directly associated with Cognito user pools.

NEW QUESTION # 100
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