AWS DevOps Monitoring and Logging 5

Question 1

A CloudWatch Alarm is in 'INSUFFICIENT_DATA' state. What does this indicate?

Accepted Answer

Not enough data points have been received yet to evaluate the alarm condition

Answer

INSUFFICIENT_DATA means the alarm has not yet received enough metric data points within its evaluation period to determine whether the threshold is breached.

Question 2

Which AWS X-Ray feature allows developers to add business-specific key-value metadata to traces for filtering in the X-Ray console?

Accepted Answer

Annotations

Answer

X-Ray Annotations are indexed key-value pairs attached to segments that can be used to filter and search traces in the X-Ray console.

Question 3

A team wants real-time alerting when a CodeBuild project fails. The solution should require the least custom code. Which is the best approach?

Accepted Answer

Configure a CodeBuild notification rule targeting an SNS topic for FAILED state events

Answer

CodeBuild notification rules natively emit events for build state changes (including FAILED) to SNS or Chatbot with no custom code required.

Question 4

Which Kinesis service is best suited for continuously delivering CloudWatch Logs subscription data to Amazon S3 and Amazon Redshift for analytics?

Accepted Answer

Amazon Kinesis Data Firehose (Data Firehose)

Answer

Kinesis Data Firehose (now Amazon Data Firehose) is a fully managed delivery service that buffers and automatically loads streaming data into S3, Redshift, and other destinations.

Question 5

A production deployment introduced a memory leak. The team wants to correlate the timing of the deployment event with rising memory utilization. Which combination of AWS services provides this correlation?

Accepted Answer

CodePipeline history + CloudWatch custom metrics for memory + CloudWatch Dashboard annotations

Answer

CloudWatch Dashboard vertical annotations mark deployment events from CodePipeline, allowing visual correlation with rising custom memory metrics on the same timeline.

AWS Practice Test

AWS Practice Test

AWS DevOps Monitoring and Logging 5