1. What is Prometheus primarily used for?
A) Network monitoring
B) Container orchestration
C) Time-series data collection and monitoring
D) Log management
Answer: C) Time-series data collection and monitoring
2. Which programming language is Prometheus primarily written in?
A) Java
B) Python
C) Go
D) Ruby
Answer: C) Go
3. Which component of Prometheus is responsible for scraping metrics from targets?
A) Alertmanager
B) Exporter
C) Query Engine
D) Prometheus Server
Answer: D) Prometheus Server
4. What is the data model used by Prometheus for metrics collection?
A) Relational database
B) Time-series data
C) Document database
D) Key-value store
Answer: B) Time-series data
5. Which query language does Prometheus use for querying metrics?
A) SQL
B) PromQL
C) GraphQL
D) NoSQL
Answer: B) PromQL
6. Which component of the Prometheus ecosystem is used for alerting and notification management?
A) Alertmanager
B) Exporter
C) Query Engine
D) Pushgateway
Answer: A) Alertmanager
7. What is the purpose of a Prometheus Exporter?
A) To export data from Prometheus
B) To import data into Prometheus
C) To scrape and expose metrics from third-party systems
D) To collect logs from applications
Answer: C) To scrape and expose metrics from third-party systems
8. Which HTTP endpoint is used for Prometheus to scrape metrics from a target?
A) /metrics
B) /scrape
C) /collect
D) /prometheus
Answer: A) /metrics
9. What is the purpose of the Prometheus Pushgateway?
A) To push data to Prometheus
B) To scrape metrics from targets
C) To store metrics data in a database
D) To manage alerts
Answer: A) To push data to Prometheus
10. Which data type is used for representing metrics in Prometheus?
A) Strings
B) Integers
C) Floats
D) Time-series data
Answer: D) Time-series data
11. Which component in Prometheus is responsible for rule-based alerting?
A) Prometheus Server
B) Alertmanager
C) Pushgateway
D) Exporter
Answer: A) Prometheus Server
12. What is the role of the "job" label in Prometheus metrics?
A) It specifies the data type of the metric.
B) It categorizes related sets of targets.
C) It defines the metric's value.
D) It's used for authentication purposes.
Answer: B) It categorizes related sets of targets.
13. Which storage backend does Prometheus use for long-term metric storage?
A) InfluxDB
B) MySQL
C) PostgreSQL
D) TSDB (Time-Series Database)
Answer: D) TSDB (Time-Series Database)
14. How can you create a custom exporter for Prometheus?
A) By writing an HTTP server in any language
B) By using the built-in Prometheus Exporter Generator
C) By editing Prometheus configuration files
D) By adding a plugin to Prometheus Server
Answer: A) By writing an HTTP server in any language
15. What is the purpose of the "scrape_interval" configuration option in Prometheus?
A) It defines how often targets are scraped for metrics.
B) It sets the interval for alerting rules.
C) It controls the retention period for metrics.
D) It specifies the data format for exported metrics.
Answer: A) It defines how often targets are scraped for metrics.
16. Which protocol is commonly used for exposing metrics to Prometheus?
A) FTP
B) HTTP
C) SSH
D) SNMP
Answer: B) HTTP
17. What is the purpose of the "scrape_configs" section in Prometheus configuration?
A) To configure alerting rules
B) To define target-specific scrape intervals
C) To set up authentication for targets
D) To configure the Alertmanager
Answer: B) To define target-specific scrape intervals
18. Which of the following is not a metric type in Prometheus?
A) Counter
B) Gauge
C) Histogram
D) Event
Answer: D) Event
19. What happens when a target is down or unreachable in Prometheus?
A) Prometheus waits indefinitely for the target to recover.
B) Prometheus removes the target from its target list.
C) Prometheus generates an alert.
D) Prometheus sends an alert to the Alertmanager.
Answer: B) Prometheus removes the target from its target list.
20. Which component is responsible for handling deduplication and grouping of alerts in Prometheus?
A) Prometheus Server
B) Alertmanager
C) Exporter
D) Pushgateway
Answer: B) Alertmanager
21. What is the purpose of the "recording rules" in Prometheus?
A) To define the scrape interval for targets
B) To create custom metrics based on existing ones
C) To configure alerting rules
D) To manage authentication for targets
Answer: B) To create custom metrics based on existing ones
22. What query language does Prometheus use for alerting rules?
A) SQL
B) PromQL
C) GraphQL
D) XPath
Answer: B) PromQL
23. Which component in Prometheus is responsible for collecting and storing logs?
A) Prometheus Server
B) Alertmanager
C) Loki
D) Pushgateway
Answer: C) Loki
24. What is the purpose of the Prometheus Pushgateway in a microservices environment?
A) To push metrics from one microservice to another
B) To push metrics from microservices to a central Prometheus server
C) To push metrics from the central Prometheus server to microservices
D) To manage microservices in a cluster
Answer: B) To push metrics from microservices to a central Prometheus server
25. Which component in Prometheus helps aggregate metrics across different instances?
A) Prometheus Server
B) Alertmanager
C) Pushgateway
D) Summary
Answer: D) Summary
26. What is the purpose of the "rate" function in PromQL?
A) To calculate the rate of change of a counter over time
B) To calculate the average rate of all metrics
C) To filter metrics based on their rate of change
D) To set the rate of metric collection
Answer: A) To calculate the rate of change of a counter over time
27. What is the purpose of the "label" in Prometheus metrics?
A) To categorize metrics
B) To define the metric's value
C) To set the metric's timestamp
D) To specify the metric type
Answer: A) To categorize metrics
28. Which of the following is not a valid aggregation operator in PromQL?
A) sum
B) max
C) count
D) average
Answer: D) average
29. What is the role of the "job" label in a scrape configuration in Prometheus?
A) To define the target for scraping
B) To set the scrape interval
C) To set the metric type
D) To specify the HTTP method for scraping
Answer: A) To define the target for scraping
30. How does Prometheus handle high availability and reliability for metrics collection?
A) By using a distributed database backend
B) By replicating the Prometheus server
C) By using a primary and secondary Prometheus server
D) Prometheus inherently does not support high availability
Answer: B) By replicating the Prometheus server
Top comments (0)