Implement metrics, alarms, and filters by using AWS monitoring and logging services.
12 practice questions under this official exam objective (SOA-C03) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
ALB Weighted Random Routing and Session Affinity Errors
Resolves random application errors caused by session affinity conflicts with ALB weighted random routing by switching to least outstanding requests. T
S3 Event Notification Validation Failure Causes
This question addresses the 'Unable to validate destination configurations' error in Amazon S3 event notifications, establishing that a missing resour
How to Alert on Savings Plans Utilization Below 90%?
Savings Plans utilization alerts are configured through an AWS Budgets Savings Plans budget, not a standalone Savings Plans alert or a CloudWatch alar
How Do You Alert on Lambda Runtime Over 10 Seconds via SNS?
Lambda automatically publishes a Duration metric to Amazon CloudWatch for every invocation, so the fastest way to alert on a 10-second threshold is a
How to automate an EC2 reboot after a failed instance health check?
This scenario tests whether you can pair the right CloudWatch status-check metric with the right EC2 alarm action to automate the manual reboot a Clou
How to log all S3 access and alert on delete events?
S3 server access logging captures every request made to a bucket, while S3 event notifications to Amazon SNS deliver near-real-time DeleteObject alert
How Do You Alarm on EBS Disk Utilization Above 80% in CloudWatch?
Amazon EBS volumes do not natively publish disk-space metrics, so monitoring disk utilization on EC2 Linux instances requires the CloudWatch agent plu
How should CloudWatch Synthetics monitor customer routes with 95% availability?
This question asks for application availability monitoring that replays customer routes and alerts when fewer than 95% of runs are error-free. The cor
How to Trace ECS Microservice Purchase Latency with AWS X-Ray?
This SOA-C03 scenario asks for end-to-end transaction tracing across ECS microservices with minimal code changes and a visual dependency map. The corr
How to Search a Year of EC2 Error Logs in CloudWatch?
This SOA-C03 scenario tests whether you can retain and search EC2 application error logs for a full year using the CloudWatch agent and CloudWatch Log
How to Get Notified When an AWS Site-to-Site VPN Tunnel Goes Down?
AWS Site-to-Site VPN tunnel availability is monitored by creating CloudWatch Logs metric filters from VPN logs and a CloudWatch alarm on tunnel state
How to centralize CloudWatch metrics and alarms across accounts and Regions?
CloudWatch cross-account observability links application accounts as source accounts to a single monitoring account so one dashboard can display CPU a