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| Section | Weight | Objectives |
|---|---|---|
| Monitoring, Logging, Analysis, Remediation, and Performance Optimization | 22% | - Optimize performance of AWS resources
|
| Networking and Content Delivery | 18% | - Implement and manage networking configurations
|
| Security and Compliance | 16% | - Implement and manage security controls
|
| Deployment, Provisioning, and Automation | 22% | - Implement automation for operational tasks
|
| Reliability and Business Continuity | 22% | - Implement backup and recovery strategies
|
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NEW QUESTION # 181
A company runs an application on an Amazon EC2 instance. The application uses a MySQL database. The EC2 instance has a General Purpose SSD (gp3) Amazon EBS volume attached. The company wants to perform load testing using a new MySQL database created from an EBS snapshot of the production instance.
The new database must perform as similarly as possible to production.
Which solution will meet these requirements in the LEAST amount of time?
Answer: C
Explanation:
Amazon EBS snapshots are stored in Amazon S3, and standard restores can experience higher latency until data blocks are fully retrieved. Fast Snapshot Restore (FSR) eliminates this latency by ensuring that all blocks are immediately available at full performance.
Because the production environment uses a General Purpose SSD (gp3) volume, creating the test database on the same volume type ensures performance characteristics are as similar as possible. Using FSR significantly reduces restore time and allows load testing to begin immediately.
Provisioned IOPS volumes would introduce different performance characteristics and unnecessary cost.
Standard snapshot restore would delay testing due to gradual block hydration.
Therefore, using FSR with the same EBS volume type is the fastest and most accurate solution.
NEW QUESTION # 182
A company runs a workload in an Amazon VPC. The company configures Amazon CloudWatch Logs for the workload. The company needs a solution to automatically detect unusual API activity and security events in the company's AWS account.
Which solution will meet this requirement?
Answer: C
Explanation:
Amazon GuardDuty continuously analyzes CloudTrail events, VPC Flow Logs, and DNS logs to automatically detect unusual API activity and security-related behavior, providing managed, real- time threat detection without requiring custom rules or manual analysis.
NEW QUESTION # 183
A company's ecommerce application is running on Amazon EC2 instances that are behind an Application Load Balancer (ALB). The instances are in an Auto Scaling group. Customers report that the website is occasionally down. When the website is down, it returns an HTTP 500 (server error) status code to customer browsers.
The Auto Scaling group's health check is configured for EC2 status checks, and the instances appear healthy.
Which solution will resolve the problem?
Answer: B
Explanation:
In this scenario, the EC2 instances pass their EC2 status checks, indicating that the operating system is responsive. However, the application hosted on the instance is failing intermittently, returning HTTP 500 errors. This demonstrates a discrepancy between the instance-level health and the application-level health.
According to AWS CloudOps best practices under Monitoring, Logging, Analysis, Remediation and Performance Optimization (SOA-C03 Domain 1), Auto Scaling groups should incorporate Elastic Load Balancing (ELB) health checks instead of relying solely on EC2 status checks. The ELB health check probes the application endpoint (for example, HTTP or HTTPS target group health checks), ensuring that the application itself is functioning correctly.
When an instance fails an ELB health check, Amazon EC2 Auto Scaling will automatically mark the instance as unhealthy and replace it with a new one, ensuring continuous availability and performance optimization.
Extract from AWS CloudOps (SOA-C03) Study Guide - Domain 1:
"Implement monitoring and health checks using ALB and EC2 Auto Scaling integration. Application Load Balancer health checks allow Auto Scaling to terminate and replace instances that fail application-level health checks, ensuring consistent application performance." Extract from AWS Auto Scaling Documentation:
"When you enable the ELB health check type for your Auto Scaling group, Amazon EC2 Auto Scaling considers both EC2 status checks and Elastic Load Balancing health checks to determine instance health. If an instance fails the ELB health check, it is automatically replaced." Therefore, the correct answer is B, as it ensures proper application-level monitoring and remediation using ALB-integrated ELB health checks-a core CloudOps operational practice for proactive incident response and availability assurance.
References (AWS CloudOps Verified Source Extracts):
AWS Certified CloudOps Engineer - Associate (SOA-C03) Exam Guide: Domain 1 - Monitoring, Logging, and Remediation.
AWS Auto Scaling User Guide: Health checks for Auto Scaling instances (Elastic Load Balancing integration).
AWS Well-Architected Framework - Operational Excellence and Reliability Pillars.
AWS Elastic Load Balancing Developer Guide - Target group health checks and monitoring.
NEW QUESTION # 184
A company manages a set of AWS accounts by using AWS Organizations. The company's security team wants to use a native AWS service to regularly scan all AWS accounts against the Center for Internet Security (CIS) AWS Foundations Benchmark.
What is the MOST operationally efficient way to meet these requirements?
Answer: A
Explanation:
Comprehensive Explanation (250-350 words):
AWS Security Hub is the native AWS service that provides continuous compliance checks against security standards, including the CIS AWS Foundations Benchmark. When integrated with AWS Organizations, Security Hub can automatically enroll existing and newly created accounts, eliminating manual invitations and scripts.
By designating a Security Hub administrator account and enabling automatic account onboarding, the organization ensures consistent security posture monitoring across all accounts. CIS benchmark checks are run continuously, and findings are aggregated centrally, simplifying governance and remediation workflows.
Amazon Inspector focuses on vulnerability scanning for EC2, container images, and Lambda functions-not CIS compliance. GuardDuty is a threat detection service and does not run CIS benchmarks.
Therefore, using AWS Security Hub with automatic organization-wide enrollment is the most efficient solution.
NEW QUESTION # 185
A CloudOps engineer launches two Amazon EC2 instances and creates a single public subnet for testing purposes in the same Availability Zone. The CloudOps engineer wants Amazon Route 53 to respond with a public IP address only if a test webpage on an instance is running. However, even when the test webpage is unavailable, Route 53 still responds with the public IP addresses from both instances.
How can the CloudOps engineer resolve this issue?
Answer: D
Explanation:
Route 53 multivalue answer routing can return multiple IP addresses and can be combined with health checks so only healthy records are returned. AWS documentation states that when a health check is associated with a multivalue answer record, Route 53 responds with the corresponding IP address only when the health check is healthy. The current problem occurs because Route 53 is returning both IPs even when the webpage is down, which indicates that health checks are not being used correctly. Latency-based routing is used to route users to lower-latency endpoints across Regions, not to return multiple tested instance IPs in the same subnet.
Weighted routing distributes traffic based on weights but does not solve this specific "return only healthy IPs" requirement unless paired with health checks. Another subnet is irrelevant.
NEW QUESTION # 186
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