, Zabbix Certified Specialist – Zabbix LLC –
Academic Year 2026/2027 – Comprehensive
Certification Examination with 100 Verified
Questions and Correct Answer Rationales | rated
100% correct.
SECTION 1: ZABBIX ARCHITECTURE &
INSTALLATION (Questions 1-20)
Question 1: A systems administrator is planning a new Zabbix 7.0
deployment to monitor 5,000 devices with approximately 100,000 metrics
collected every 60 seconds. The organization requires high availability and
expects the database to grow significantly over three years. Which database
backend is recommended by Zabbix for this scale and why?
A. SQLite, because it requires minimal configuration and has low overhead
for small to medium deployments
B. MySQL or PostgreSQL, because they support partitioning, replication, and
the performance required for large-scale production environments
C. Oracle Database, because it is the only database officially supported by
Zabbix for enterprise licensing
D. Microsoft SQL Server, because it offers superior Windows integration and
is the default choice for Zabbix on Windows platforms
Correct Answer: B. MySQL or PostgreSQL, because they support
partitioning, replication, and the performance required for large-
scale production environments
Rationale: Zabbix officially supports MySQL and PostgreSQL as production
database backends, both of which provide the partitioning, replication, and
performance tuning capabilities necessary for large-scale deployments with
high metric volumes. SQLite is explicitly not recommended for production.
,Oracle is not officially supported by Zabbix, and MSSQL is not a supported
backend for the Zabbix server .
Question 2: An organization is deploying Zabbix server on a Linux platform
and must ensure the server meets minimum hardware requirements for
monitoring 2,000 hosts. Which configuration represents the minimum
recommended resources for the Zabbix server component?
A. 1 CPU core, 2 GB RAM, and SATA storage
B. 2 CPU cores, 8 GB RAM, and SSD storage
C. 4 CPU cores, 16 GB RAM, and NVMe storage
D. 8 CPU cores, 32 GB RAM, and SAN-attached storage
Correct Answer: B. 2 CPU cores, 8 GB RAM, and SSD storage
Rationale: For monitoring approximately 2,000 hosts, Zabbix recommends a
minimum of 2 CPU cores and 8 GB RAM with fast storage (SSD) to handle the
database I/O demands. One core and 2 GB is insufficient for this scale. While
4 cores and 16 GB provides better performance, it exceeds the minimum.
Eight cores and 32 GB is appropriate for much larger deployments .
Question 3: A Zabbix administrator needs to deploy the Zabbix server with
high availability using the native HA feature introduced in Zabbix 6.0. Which
requirement is mandatory for configuring Zabbix server HA?
A. A shared network file system (NFS) for all Zabbix server nodes
B. A shared database backend accessible by all HA nodes and unique
NodeName parameters in the configuration
C. A load balancer configured with sticky sessions in front of the Zabbix
server nodes
D. Pacemaker and Corosync clustering software installed on each node
Correct Answer: B. A shared database backend accessible by all HA
nodes and unique NodeName parameters in the configuration
Rationale: Zabbix native HA requires all nodes to connect to the same
database and each node must have a unique NodeName configured in
zabbix_server.conf. Shared NFS is not required. A load balancer is used for
, frontend HA, not server HA. Pacemaker/Corosync is not required as Zabbix
implements HA natively without external clustering software .
Question 4: An administrator is installing Zabbix proxy to handle remote
site monitoring where network connectivity to the main datacenter is
intermittent and bandwidth is limited. Which mode of operation should the
Zabbix proxy be configured to use?
A. Active proxy mode, where the proxy connects to the Zabbix server to
request configuration and send data
B. Passive proxy mode, where the Zabbix server connects to the proxy to
push configuration and pull data
C. Proxy mode is not required; the Zabbix server can buffer data during
network outages natively
D. Both active and passive proxy modes must be enabled simultaneously for
redundancy
Correct Answer: A. Active proxy mode, where the proxy connects to
the Zabbix server to request configuration and send data
Rationale: Active proxy mode is designed for scenarios with limited or
intermittent connectivity because the proxy initiates connections to the
server. This allows the proxy to buffer data locally and send it when
connectivity is restored. Passive proxy mode requires the server to connect
to the proxy, which is not suitable for environments where the proxy is
behind a firewall or has intermittent connectivity .
Question 5: In Zabbix, which component is responsible for collecting data
from remote hosts and sending it to the Zabbix server?
A. Zabbix Frontend
B. Zabbix Agent
C. Zabbix Database
D. Zabbix Web Interface
Correct Answer: B. Zabbix Agent
Academic Year 2026/2027 – Comprehensive
Certification Examination with 100 Verified
Questions and Correct Answer Rationales | rated
100% correct.
SECTION 1: ZABBIX ARCHITECTURE &
INSTALLATION (Questions 1-20)
Question 1: A systems administrator is planning a new Zabbix 7.0
deployment to monitor 5,000 devices with approximately 100,000 metrics
collected every 60 seconds. The organization requires high availability and
expects the database to grow significantly over three years. Which database
backend is recommended by Zabbix for this scale and why?
A. SQLite, because it requires minimal configuration and has low overhead
for small to medium deployments
B. MySQL or PostgreSQL, because they support partitioning, replication, and
the performance required for large-scale production environments
C. Oracle Database, because it is the only database officially supported by
Zabbix for enterprise licensing
D. Microsoft SQL Server, because it offers superior Windows integration and
is the default choice for Zabbix on Windows platforms
Correct Answer: B. MySQL or PostgreSQL, because they support
partitioning, replication, and the performance required for large-
scale production environments
Rationale: Zabbix officially supports MySQL and PostgreSQL as production
database backends, both of which provide the partitioning, replication, and
performance tuning capabilities necessary for large-scale deployments with
high metric volumes. SQLite is explicitly not recommended for production.
,Oracle is not officially supported by Zabbix, and MSSQL is not a supported
backend for the Zabbix server .
Question 2: An organization is deploying Zabbix server on a Linux platform
and must ensure the server meets minimum hardware requirements for
monitoring 2,000 hosts. Which configuration represents the minimum
recommended resources for the Zabbix server component?
A. 1 CPU core, 2 GB RAM, and SATA storage
B. 2 CPU cores, 8 GB RAM, and SSD storage
C. 4 CPU cores, 16 GB RAM, and NVMe storage
D. 8 CPU cores, 32 GB RAM, and SAN-attached storage
Correct Answer: B. 2 CPU cores, 8 GB RAM, and SSD storage
Rationale: For monitoring approximately 2,000 hosts, Zabbix recommends a
minimum of 2 CPU cores and 8 GB RAM with fast storage (SSD) to handle the
database I/O demands. One core and 2 GB is insufficient for this scale. While
4 cores and 16 GB provides better performance, it exceeds the minimum.
Eight cores and 32 GB is appropriate for much larger deployments .
Question 3: A Zabbix administrator needs to deploy the Zabbix server with
high availability using the native HA feature introduced in Zabbix 6.0. Which
requirement is mandatory for configuring Zabbix server HA?
A. A shared network file system (NFS) for all Zabbix server nodes
B. A shared database backend accessible by all HA nodes and unique
NodeName parameters in the configuration
C. A load balancer configured with sticky sessions in front of the Zabbix
server nodes
D. Pacemaker and Corosync clustering software installed on each node
Correct Answer: B. A shared database backend accessible by all HA
nodes and unique NodeName parameters in the configuration
Rationale: Zabbix native HA requires all nodes to connect to the same
database and each node must have a unique NodeName configured in
zabbix_server.conf. Shared NFS is not required. A load balancer is used for
, frontend HA, not server HA. Pacemaker/Corosync is not required as Zabbix
implements HA natively without external clustering software .
Question 4: An administrator is installing Zabbix proxy to handle remote
site monitoring where network connectivity to the main datacenter is
intermittent and bandwidth is limited. Which mode of operation should the
Zabbix proxy be configured to use?
A. Active proxy mode, where the proxy connects to the Zabbix server to
request configuration and send data
B. Passive proxy mode, where the Zabbix server connects to the proxy to
push configuration and pull data
C. Proxy mode is not required; the Zabbix server can buffer data during
network outages natively
D. Both active and passive proxy modes must be enabled simultaneously for
redundancy
Correct Answer: A. Active proxy mode, where the proxy connects to
the Zabbix server to request configuration and send data
Rationale: Active proxy mode is designed for scenarios with limited or
intermittent connectivity because the proxy initiates connections to the
server. This allows the proxy to buffer data locally and send it when
connectivity is restored. Passive proxy mode requires the server to connect
to the proxy, which is not suitable for environments where the proxy is
behind a firewall or has intermittent connectivity .
Question 5: In Zabbix, which component is responsible for collecting data
from remote hosts and sending it to the Zabbix server?
A. Zabbix Frontend
B. Zabbix Agent
C. Zabbix Database
D. Zabbix Web Interface
Correct Answer: B. Zabbix Agent
