Nagios Host And Service Configuration
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1. Which Nagios configuration file is primarily used to define hosts?
A. commands.cfg
B. hosts.cfg
C. services.cfg
D. nagios.cfg
Answer: B
Rationale: hosts.cfg is commonly used to define host objects in
Nagios configurations.
2. Which directive defines the hostname in a host definition?
A. host_name
B. service_description
C. check_command
, D. contact_name
Answer: A
Rationale: host_name specifies the unique identifier of a host in
Nagios.
3. What is the purpose of the check_command directive?
A. Defines host groups
B. Defines service notifications
C. Specifies the plugin used for checks
D. Defines contact groups
Answer: C
Rationale: check_command tells Nagios which plugin or command to
execute for monitoring.
4. Which file typically contains service definitions?
A. hosts.cfg
B. services.cfg
C. contacts.cfg
D. timeperiods.cfg
Answer: B
Rationale: services.cfg is used to define service checks for hosts.
5. What does the use directive do in a host definition?
A. Assigns services to a host
B. Inherits properties from a template
C. Defines a contact group
, D. Sets notification period
Answer: B
Rationale: use allows a host to inherit properties from a predefined
template.
6. Which directive specifies the IP address of a host?
A. address
B. ip_host
C. host_ip
D. network_address
Answer: A
Rationale: address defines the IP address or FQDN of a host.
7. What is the function of hostgroups?
A. Define service checks
B. Group multiple hosts logically
C. Define contacts
D. Set time periods
Answer: B
Rationale: hostgroups allow logical grouping of multiple hosts for
easier management.
8. Which file defines command objects in Nagios?
A. commands.cfg
B. services.cfg
C. hosts.cfg
, D. nagios.cfg
Answer: A
Rationale: commands.cfg contains definitions of check commands
and plugins.
9. What is a service_description used for?
A. Identifies a host
B. Defines a service name
C. Defines a contact
D. Defines a plugin path
Answer: B
Rationale: service_description uniquely identifies a service on a host.
10. Which directive controls notification settings?
A. notification_options
B. check_interval
C. retry_interval
D. max_check_attempts
Answer: A
Rationale: notification_options define when notifications are sent.
11. What does max_check_attempts define?
A. Number of services
B. Number of retry attempts before alert
C. Number of hosts
D. Notification delay
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. Which Nagios configuration file is primarily used to define hosts?
A. commands.cfg
B. hosts.cfg
C. services.cfg
D. nagios.cfg
Answer: B
Rationale: hosts.cfg is commonly used to define host objects in
Nagios configurations.
2. Which directive defines the hostname in a host definition?
A. host_name
B. service_description
C. check_command
, D. contact_name
Answer: A
Rationale: host_name specifies the unique identifier of a host in
Nagios.
3. What is the purpose of the check_command directive?
A. Defines host groups
B. Defines service notifications
C. Specifies the plugin used for checks
D. Defines contact groups
Answer: C
Rationale: check_command tells Nagios which plugin or command to
execute for monitoring.
4. Which file typically contains service definitions?
A. hosts.cfg
B. services.cfg
C. contacts.cfg
D. timeperiods.cfg
Answer: B
Rationale: services.cfg is used to define service checks for hosts.
5. What does the use directive do in a host definition?
A. Assigns services to a host
B. Inherits properties from a template
C. Defines a contact group
, D. Sets notification period
Answer: B
Rationale: use allows a host to inherit properties from a predefined
template.
6. Which directive specifies the IP address of a host?
A. address
B. ip_host
C. host_ip
D. network_address
Answer: A
Rationale: address defines the IP address or FQDN of a host.
7. What is the function of hostgroups?
A. Define service checks
B. Group multiple hosts logically
C. Define contacts
D. Set time periods
Answer: B
Rationale: hostgroups allow logical grouping of multiple hosts for
easier management.
8. Which file defines command objects in Nagios?
A. commands.cfg
B. services.cfg
C. hosts.cfg
, D. nagios.cfg
Answer: A
Rationale: commands.cfg contains definitions of check commands
and plugins.
9. What is a service_description used for?
A. Identifies a host
B. Defines a service name
C. Defines a contact
D. Defines a plugin path
Answer: B
Rationale: service_description uniquely identifies a service on a host.
10. Which directive controls notification settings?
A. notification_options
B. check_interval
C. retry_interval
D. max_check_attempts
Answer: A
Rationale: notification_options define when notifications are sent.
11. What does max_check_attempts define?
A. Number of services
B. Number of retry attempts before alert
C. Number of hosts
D. Notification delay
