Nagios Cloud & Hybrid Infrastructure
Monitoring Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of Nagios in cloud and hybrid
environments?
A. Database development
B. Network monitoring and alerting
C. Email hosting
D. File compression
Correct Answer: B
Rationale: Nagios is primarily used for monitoring IT infrastructure,
including cloud and hybrid systems, and sending alerts on failures.
2. Which protocol is commonly used by Nagios to monitor remote hosts
securely?
A. HTTP
, B. FTP
C. SSH
D. SMTP
Correct Answer: C
Rationale: SSH is used for secure communication between Nagios
server and remote hosts.
3. What does NRPE stand for in Nagios?
A. Nagios Remote Plugin Executor
B. Network Routing Protocol Engine
C. Node Response Processing Engine
D. Nagios Remote Performance Evaluator
Correct Answer: A
Rationale: NRPE allows Nagios to execute plugins on remote
Linux/Unix machines.
4. Which component is responsible for executing checks in Nagios?
A. Web UI
B. Plugins
C. Database
D. Scheduler
Correct Answer: B
Rationale: Plugins perform the actual monitoring checks in Nagios.
,5. What is a hybrid infrastructure in IT monitoring?
A. Only cloud systems
B. Only on-premise systems
C. Combination of cloud and on-premise systems
D. Only virtual machines
Correct Answer: C
Rationale: Hybrid infrastructure includes both cloud and on-premise
environments.
6. Which cloud service can Nagios monitor?
A. Only AWS
B. Only Azure
C. AWS, Azure, and GCP
D. Only private cloud
Correct Answer: C
Rationale: Nagios supports monitoring across multiple cloud
providers.
7. What file defines host and service configurations in Nagios?
A. .conf files
B. .exe files
C. .dll files
D. .sys files
Correct Answer: A
, Rationale: Configuration files with .conf extensions define hosts and
services.
8. What is the Nagios Core?
A. Cloud storage
B. Database engine
C. Open-source monitoring engine
D. Firewall system
Correct Answer: C
Rationale: Nagios Core is the open-source monitoring system
foundation.
9. Which port does the Nagios web interface typically use?
A. 21
B. 80
C. 25
D. 110
Correct Answer: B
Rationale: The web interface commonly runs on HTTP port 80.
10. What is a host in Nagios?
A. A service
B. A monitored device
C. A plugin
D. A log file
Monitoring Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of Nagios in cloud and hybrid
environments?
A. Database development
B. Network monitoring and alerting
C. Email hosting
D. File compression
Correct Answer: B
Rationale: Nagios is primarily used for monitoring IT infrastructure,
including cloud and hybrid systems, and sending alerts on failures.
2. Which protocol is commonly used by Nagios to monitor remote hosts
securely?
A. HTTP
, B. FTP
C. SSH
D. SMTP
Correct Answer: C
Rationale: SSH is used for secure communication between Nagios
server and remote hosts.
3. What does NRPE stand for in Nagios?
A. Nagios Remote Plugin Executor
B. Network Routing Protocol Engine
C. Node Response Processing Engine
D. Nagios Remote Performance Evaluator
Correct Answer: A
Rationale: NRPE allows Nagios to execute plugins on remote
Linux/Unix machines.
4. Which component is responsible for executing checks in Nagios?
A. Web UI
B. Plugins
C. Database
D. Scheduler
Correct Answer: B
Rationale: Plugins perform the actual monitoring checks in Nagios.
,5. What is a hybrid infrastructure in IT monitoring?
A. Only cloud systems
B. Only on-premise systems
C. Combination of cloud and on-premise systems
D. Only virtual machines
Correct Answer: C
Rationale: Hybrid infrastructure includes both cloud and on-premise
environments.
6. Which cloud service can Nagios monitor?
A. Only AWS
B. Only Azure
C. AWS, Azure, and GCP
D. Only private cloud
Correct Answer: C
Rationale: Nagios supports monitoring across multiple cloud
providers.
7. What file defines host and service configurations in Nagios?
A. .conf files
B. .exe files
C. .dll files
D. .sys files
Correct Answer: A
, Rationale: Configuration files with .conf extensions define hosts and
services.
8. What is the Nagios Core?
A. Cloud storage
B. Database engine
C. Open-source monitoring engine
D. Firewall system
Correct Answer: C
Rationale: Nagios Core is the open-source monitoring system
foundation.
9. Which port does the Nagios web interface typically use?
A. 21
B. 80
C. 25
D. 110
Correct Answer: B
Rationale: The web interface commonly runs on HTTP port 80.
10. What is a host in Nagios?
A. A service
B. A monitored device
C. A plugin
D. A log file
