Danh sách quiz

Observability & Monitoring

CloudWatch, CloudTrail, Config, and monitoring best practices.

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  1. Câu 1. A company wants to monitor CPU utilization of their EC2 instances and receive an alert when it exceeds 80% for 5 consecutive minutes. Which AWS service should they use?
  2. Câu 2. An application team needs to publish a custom business metric (e.g., number of orders processed per minute) to CloudWatch for monitoring and alarming. Which API call should they use?
  3. Câu 3. A company needs to detect anomalous patterns in their application metrics without manually setting static thresholds. The metric values vary significantly by time of day and day of week. Which CloudWatch feature should they use?
  4. Câu 4. A security team needs to audit all API calls made across all AWS accounts in their organization, including who made each call, when, and from which IP address. Which service provides this capability?
  5. Câu 5. A company needs to detect when an IAM policy is changed and automatically trigger a remediation Lambda function within minutes. CloudTrail is already enabled. What is the fastest way to detect and respond to this event?
  6. Câu 6. A compliance team needs to continuously evaluate whether all S3 buckets have server-side encryption enabled and automatically remediate any non-compliant buckets. Which AWS service provides this continuous compliance monitoring and auto-remediation?
  7. Câu 7. A company needs to view the complete configuration history of an EC2 security group over the past 90 days, including all changes and the relationships to other resources. Which service provides this configuration timeline?
  8. Câu 8. A distributed application running on Lambda, API Gateway, and DynamoDB is experiencing intermittent latency spikes. The team needs to identify which service in the request path is causing the bottleneck. Which tool should they use?
  9. Câu 9. A company needs to collect and analyze logs from hundreds of EC2 instances running a Java application. They want to search and filter log data in near real-time and create metric filters for error patterns. Which solution should they implement?
  10. Câu 10. A company stores CloudTrail logs in an S3 bucket for long-term retention. They need to ensure that the log files have not been tampered with after delivery. Which CloudTrail feature provides this integrity validation?
  11. Câu 11. A DevOps engineer needs to create a single dashboard that shows metrics from EC2, RDS, and Lambda across two AWS Regions. Which CloudWatch feature supports this?
  12. Câu 12. A company wants to aggregate AWS Config compliance data from all accounts in their AWS Organization into a single account for centralized reporting. Which feature should they use?
  13. Câu 13. A developer wants to trace requests through their application to identify performance bottlenecks. They need to see the percentage of requests that result in errors for each downstream service. Which X-Ray feature provides this overview?
  14. Câu 14. A company wants to reduce CloudWatch costs for their development environment while maintaining full monitoring in production. They have hundreds of custom metrics published every minute. What is the MOST effective cost reduction strategy?
  15. Câu 15. A company needs to log data events for specific S3 buckets containing sensitive data, but they want to avoid the cost of logging data events for all S3 buckets in the account. How should they configure CloudTrail?