Monitor-questions

What is not a pillar of observability in Devops?

• Metrics

• Alerts

• Logs

• Traces

Which CloudWatch feature helps you store logs?

• CloudWatch Metrics

• CloudWatch Logs

• CloudWatch Alarms

• CloudWatch Dashboards

Which of the following is NOT a core feature of AWS CloudWatch?

• Metrics

• Logs

• Alarms

• Backups

What does Prometheus collect?

• Metrics

• Logs

• Your GF phone number

• Credentials

Which protocol does Prometheus use to scrape metrics?

• TCP

• HTTP

• FTP

• SSH

Which type of database does Prometheus use to store metrics?

• Relational Database

• Graph Database

• Time Series Database

• Key-Value Store

What is Grafana used for?

• Creating and viewing dashboards

• Storing Pi coin

• Running virtual machines

• Sending emails

Which language is used to query Prometheus?

• SQL

• PromQL

• English

• HTML

You have a Prometheus metric http_requests_total, but your Grafana panel shows no data.

What’s the most likely cause?

• The metric is a counter and doesn’t work in Grafana

• The query is missing additional labels

• There is no data during your chosen time range

• Prometheus automatically deletes counters every 24 hours

A CloudWatch alarm is set to trigger when an EC2 instance’s CPU usage exceeds 80% for 3 consecutive periods of 5 minutes each. If the CPU usage is 90% for 2 periods and drops to 75% in the third.
What happens?

• The alarm triggers immediately

• The alarm remains in OK state

• The alarm triggers but resets after the next period

• The alarm moves to INSUFFICIENT_DATA