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AWS Certified CloudOps Engineer - Associate - SOA-C03 - 340 Questions

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Prepare for the AWS Certified SysOps Administrator – Associate (SOA-C03) exam with 340 practice questions covering all 5 official domains. This question bank validates technical skills in deployment, management, monitoring, and operations on AWS. Topics include EC2 and Auto Scaling, CloudWatch monitoring, S3 and storage management, IAM security, networking, cost optimization, and disaster recovery. Designed for system administrators and cloud operations engineers, SOA-C03 is one of the most in-demand AWS associate-level certifications. Each question is scenario-based, reflecting real-world operational challenges you will encounter both in the exam and on the job.

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1. A SysOps administrator needs to monitor memory utilization on a fleet of Amazon EC2 instances running Amazon Linux 2. The administrator notices that memory metrics are not appearing in the Amazon CloudWatch console. What is the most likely cause and solution?

A Install and configure the Amazon CloudWatch agent on the EC2 instances to collect and publish memory metrics.
B Enable detailed monitoring on the EC2 instances to increase metric granularity to 1-minute intervals.
C Create a CloudWatch alarm for the MemoryUtilization metric to trigger data collection.
D Attach an IAM role with CloudWatch full access permissions to the EC2 instances.

2. A company is experiencing intermittent application errors and wants to monitor the error rate of a custom application running on EC2 instances. The application writes structured log entries in JSON format to a local log file. The operations team wants to create a CloudWatch metric that counts the number of ERROR-level log entries per minute. What is the correct approach?

A Use CloudWatch Logs Insights to run a scheduled query that counts ERROR entries and publishes results as a metric.
B Configure the CloudWatch agent to stream the log file to CloudWatch Logs, then create a metric filter on the log group with a pattern matching ERROR-level entries.
C Create a CloudWatch alarm on the application log group and set the threshold to count ERROR occurrences per minute.
D Modify the application code to call the PutMetricData API each time an ERROR is written to the log file.

3. A SysOps administrator is configuring Amazon CloudWatch alarms for a production web application. The team wants to receive an alert only when BOTH CPU utilization exceeds 80% AND the number of healthy hosts in the load balancer drops below 2 simultaneously. Which CloudWatch alarm feature should the administrator use?

A Create a single metric alarm with two threshold conditions using an AND operator in the alarm configuration.
B Enable CloudWatch anomaly detection on both metrics and create alarms based on the anomaly band.
C Create individual alarms for each metric and then create a composite alarm that combines them using AND logic.
D Configure an Amazon SNS topic to receive notifications from both alarms and filter messages using subscription filter policies.

4. A company needs to publish custom application performance metrics to Amazon CloudWatch from an application running in an AWS Lambda function. The application generates hundreds of metrics per invocation and the team wants to minimize the cost associated with publishing these metrics. Which approach is the MOST cost-effective?

A Call the PutMetricData API once for each metric at the end of every Lambda invocation.
B Batch all metrics into a single PutMetricData API call with up to 20 metrics per request at the end of each invocation.
C Install the CloudWatch agent inside the Lambda execution environment to publish metrics automatically.
D Use the CloudWatch Embedded Metrics Format (EMF) to write structured JSON logs that CloudWatch automatically extracts into metrics.

5. A SysOps administrator needs to create a CloudWatch dashboard that displays metrics from multiple AWS accounts and multiple AWS Regions in a single view. The company uses AWS Organizations. Which prerequisite must be configured to enable this capability?

A Enable CloudWatch cross-account observability by designating a monitoring account and linking the source accounts through the CloudWatch Settings console.
B Set up VPC Peering between all accounts and Regions to enable direct metric data sharing.
C Create IAM resource-based policies in each source account granting the monitoring account's CloudWatch service read access.
D Configure Amazon EventBridge cross-account event buses to forward CloudWatch metric data to the monitoring account.

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Information

Questions 340
Time 2h
Difficulty Medium
Minimum Score 82.50%
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