PCA Metric Collection & Data Modeling

Question 1

What is the main purpose of metrics in Prometheus?

Accepted Answer

To provide quantitative data on system performance

Answer

To store logs

Answer

To store alerts

Answer

To monitor configurations

Question 2

How does Prometheus collect metrics?

Accepted Answer

By scraping endpoints over HTTP

Answer

By pulling data from APIs

Answer

By pushing data to servers

Answer

By importing CSV files

Question 3

What is a metric in Prometheus?

Accepted Answer

A series of time-stamped data points representing a metric

Answer

A data point at a single time

Answer

A collection of logs

Answer

A configuration setting

Question 4

What is the purpose of labels in Prometheus metrics?

Accepted Answer

To provide additional context for metrics

Answer

To classify metrics into categories

Answer

To store timestamps

Answer

To track changes over time

Question 5

What is the use of a metric’s timestamp?

Accepted Answer

To set alert thresholds

Answer

To track performance changes over time

Answer

To classify metric types

Answer

To label metrics

Question 6

What are histograms used for in Prometheus?

Accepted Answer

To monitor distribution of values like durations

Answer

To track events

Answer

To store time-series data

Answer

To track errors

Question 7

What is a counter in Prometheus?

Accepted Answer

A metric that tracks values over time

Answer

A metric that counts events over time

Answer

A metric that decreases over time

Answer

A gauge of memory usage

Question 8

How are Prometheus metrics structured?

Accepted Answer

As logs and alerts

Answer

As time-stamped data points with names and labels

Answer

As database records

Answer

As simple data points without time

Question 9

What is the role of the Prometheus Pushgateway?

Accepted Answer

To allow short-lived jobs to push metrics

Answer

To store metrics

Answer

To store logs

Answer

To query data