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Which Zabbix component is responsible for collecting data from monitored hosts
and sending it to the Zabbix server?
A. Zabbix Frontend
B. Zabbix Agent
C. Database Server
D. Web Server
Answer: B. Zabbix Agent
Rationale: The Zabbix Agent is installed on monitored hosts and is responsible for
gathering system metrics such as CPU utilization, memory usage, disk statistics,
and network information. It then provides this information to the Zabbix server
through passive or active checks. The frontend is used for administration, while
the database stores collected data.
What is the primary purpose of a Zabbix template?
A. To store historical data
B. To create users
C. To standardize monitoring configurations
,D. To encrypt communications
Answer: C. To standardize monitoring configurations
Rationale: Templates allow administrators to define monitoring items, triggers,
graphs, and discovery rules once and apply them to multiple hosts. This simplifies
administration and ensures consistency across monitored environments.
Which item type is used when a Zabbix server directly requests data from an
agent?
A. Active Agent
B. Passive Agent
C. Trapper
D. Internal
Answer: B. Passive Agent
Rationale: In passive checks, the Zabbix server initiates communication with the
agent and requests the required data. The agent responds with the requested
metric. Active checks work differently because the agent initiates the
communication.
What is the default TCP port used by Zabbix Agent for passive checks?
A. 10050
,B. 10051
C. 8080
D. 443
Answer: A. 10050
Rationale: Zabbix Agent listens on TCP port 10050 for passive checks. Port 10051
is commonly used by the Zabbix server and proxies to receive data from agents
and other components.
Which Zabbix expression function can be used to calculate the average value over
a period?
A. nodata()
B. avg()
C. last()
D. strlen()
Answer: B. avg()
Rationale: The avg() function calculates the average value collected during a
specified period. It is frequently used in trigger expressions to detect trends
rather than single data spikes.
What happens when a host is linked to a template?
, A. The template is deleted.
B. The host receives monitoring entities from the template.
C. The host becomes a proxy.
D. The database is rebuilt.
Answer: B. The host receives monitoring entities from the template.
Rationale: Linking a template applies its items, triggers, graphs, dashboards,
discovery rules, and other monitoring configurations to the host automatically.
Which discovery type can automatically detect mounted file systems?
A. Low-Level Discovery
B. Event Discovery
C. Trigger Discovery
D. User Discovery
Answer: A. Low-Level Discovery
Rationale: Low-Level Discovery (LLD) automatically discovers entities such as file
systems, network interfaces, databases, and processes, allowing Zabbix to
dynamically create monitoring items and triggers.
Which macro is commonly used to reference the hostname configured in Zabbix?