AWS AWS Monitoring & Operations 4

Question 1

Which CloudWatch feature allows you to create a graph of a metric expression combining multiple metrics with math operations?

Accepted Answer

Metric Math

Answer

Metric Math lets you query multiple CloudWatch metrics and use math expressions to create new time series from them.

Question 2

An application generates logs in a custom format. What is the correct approach to parse these logs and extract specific fields for CloudWatch Logs Insights queries?

Accepted Answer

Use the parse command in Logs Insights queries

Answer

The `parse` command in CloudWatch Logs Insights extracts fields from log events using glob or regex patterns for ad-hoc querying.

Question 3

Which AWS service would you use to automatically remediate a non-compliant EC2 instance configuration detected by AWS Config?

Accepted Answer

AWS Systems Manager Automation

Answer

AWS Config rules can trigger AWS Systems Manager Automation documents as remediation actions when a resource becomes non-compliant.

Question 4

What is the maximum retention period for CloudWatch Logs log groups?

Accepted Answer

Indefinitely (never expire)

Answer

By default, CloudWatch Logs never expire; you can configure retention from 1 day up to 10 years, but 'Never Expire' is also a valid setting.

Question 5

A DevOps team wants to track the number of 5xx errors returned by an Application Load Balancer over time. Which ALB metric should they use?

Accepted Answer

HTTPCode_ELB_5XX_Count

Answer

HTTPCode_ELB_5XX_Count counts the number of HTTP 5XX server error codes generated by the load balancer itself.

AWS Practice Test

AWS Practice Test

AWS AWS Monitoring & Operations 4