Linux Foundation PCA Certification Exam Sample Questions

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Linux Foundation PCA Sample Questions:

01. Which of the following is a function of 'Exporters' in Prometheus?
a) Backing up Prometheus data
b) Providing a user interface for data visualization
c) Enabling non-native applications to provide metrics to Prometheus
d) Managing Prometheus clusters
02. Understanding and using 'Alertmanager' in Prometheus includes:
a) Creating database schemas
b) Managing the routing and grouping of alerts
c) Implementing security protocols for data
d) Configuring hardware for Prometheus servers
03. How are 'Binary operators' used in PromQL?
a) To perform arithmetic and comparison operations on metrics
b) To encrypt and decrypt data
c) For user authentication
d) To configure network settings in Prometheus
04. Which component of Prometheus is essential for understanding and using 'Alertmanager'?
a) Node Exporter
b) Grafana
c) PromQL
d) Prometheus server
05. The 'Node Exporter' in Prometheus is primarily used for:
a) Monitoring database performance
b) Exporting user data for analysis
c) Collecting metrics about the host system
d) Encrypting node-to-node communication
06. Why are 'Exporters' important in Prometheus?
a) They provide real-time data analysis
b) They enable Prometheus to scrape metrics from various systems
c) They are used for database management
d) They help in network configuration
07. A key limitation of Prometheus that impacts large-scale deployments is:
a) Its reliance on SQL databases
b) The difficulty in managing a large number of labels
c) The complexity of its query language
d) Challenges in handling high cardinality data
08. What are the primary components of observability?
a) CPU, memory, and storage
b) Metrics, logs, and traces
c) Nodes, pods, and services
d) Configuration files, scripts, and databases
09. One of the key aspects of 'Alerting basics' in Prometheus is:
a) Data compression techniques
b) Network performance optimization
c) Understanding the lifecycle of an alert
d) User role and permission management
10. When is the use of an 'Exporter' necessary in a Prometheus setup?
a) When metrics are only available in a non-Prometheus format
b) For all types of data storage
c) When encrypting data for Prometheus
d) For user authentication purposes


Question: 01
Answer: c
Question: 02
Answer: b
Question: 03
Answer: a
Question: 04
Answer: d
Question: 05
Answer: c
Question: 06
Answer: b
Question: 07
Answer: d
Question: 08
Answer: b
Question: 09
Answer: c
Question: 10
Answer: a

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