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1. Which Zabbix component is responsible for executing remote commands on monitored
hosts?
A. Zabbix server
B. Zabbix proxy
C. Zabbix agent
D. Zabbix frontend
Correct answer: C
The Zabbix agent runs on hosts and executes remote commands locally when instructed.
2. What is the main purpose of a Zabbix proxy?
A. Store user credentials
B. Distribute monitoring load
C. Render dashboards
D. Replace Zabbix server
Correct answer: B
Zabbix proxy collects data and reduces load on the central server, especially in
distributed environments.
3. Which database is officially supported by Zabbix for backend storage?
A. MongoDB
B. Cassandra
C. MySQL
D. Redis
Correct answer: C
Zabbix supports relational databases like MySQL, PostgreSQL, and others for storing
monitoring data.
4. What is a trigger in Zabbix?
A. A data collection method
B. A visualization tool
C. A logical expression defining a problem
D. A host configuration
Correct answer: C
Triggers evaluate item data and define conditions that represent problems.
5. Which protocol is used by default for Zabbix agent communication?
A. SNMP
B. HTTP
C. TCP
D. UDP
Correct answer: C
Zabbix agent communicates with the server over TCP by default.
6. What does “item” represent in Zabbix?
A. A host group
B. A specific metric
, C. A trigger
D. A dashboard
Correct answer: B
An item defines a specific data point collected from a host.
7. Which item type is used for SNMP monitoring?
A. Zabbix agent
B. SNMP agent
C. External check
D. Internal check
Correct answer: B
SNMP agent item type is used to retrieve metrics via SNMP protocol.
8. What is the function of preprocessing in Zabbix?
A. Data storage
B. Data transformation before storage
C. Alert sending
D. User authentication
Correct answer: B
Preprocessing modifies raw data before it is stored or used in triggers.
9. Which macro is user-defined at the host level?
A. {$MACRO}
B. {HOST.NAME}
C. {ITEM.VALUE}
D. {TRIGGER.NAME}
Correct answer: A
User macros are defined with {$...} syntax and can be set per host or template.
10. What is a template in Zabbix?
A. A backup file
B. A reusable configuration set
C. A database schema
D. A visualization panel
Correct answer: B
Templates allow reuse of items, triggers, and other configurations across hosts.
11. Which component processes alerts and sends notifications?
A. Zabbix agent
B. Zabbix proxy
C. Zabbix server
D. Zabbix API
Correct answer: C
The server evaluates triggers and executes actions like sending alerts.
12. What is a maintenance period in Zabbix?
A. System reboot time
B. Scheduled downtime with suppressed alerts
C. Backup window
D. Data retention period
Correct answer: B
Maintenance suppresses alerts during planned downtime.
, 13. What does LLD stand for?
A. Low-Level Discovery
B. Logical Link Detection
C. Local Load Distribution
D. Layered Link Discovery
Correct answer: A
LLD automatically discovers entities like disks or interfaces.
14. Which expression function returns the last value?
A. avg()
B. last()
C. max()
D. min()
Correct answer: B
last() retrieves the most recent value of an item.
15. What is the default port for Zabbix server?
A. 80
B. 443
C. 10050
D. 10051
Correct answer: D
Port 10051 is used by Zabbix server for incoming data.
16. Which port does Zabbix agent listen on by default?
A. 22
B. 10050
C. 10051
D. 8080
Correct answer: B
Zabbix agent listens on port 10050 for passive checks.
17. What is a dependent item?
A. Independent metric
B. Item based on another item’s value
C. Trigger-based item
D. External script
Correct answer: B
Dependent items reuse data from a master item, reducing load.
18. What does the nodata() function detect?
A. High CPU
B. Missing data
C. Disk usage
D. Network latency
Correct answer: B
nodata() checks if no data has been received for a defined period.
19. What is escalation in Zabbix?
A. Increasing polling frequency
B. Sending alerts in stages
C. Data encryption