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Zabbix Architecture & Installation
Q1: A junior administrator is installing Zabbix server 7.0 on a Linux system. Which
database backends are officially supported for production environments?
A. MySQL, PostgreSQL, Oracle, and SQLite
B. MySQL and PostgreSQL only [CORRECT]
C. MySQL, PostgreSQL, and MongoDB
D. Any ODBC-compliant database
Correct Answer: B
Rationale: Zabbix 7.0 officially supports MySQL and PostgreSQL for production server
installations. While Oracle was supported in older versions and SQLite exists for
proxy-only deployments, the current standard for server installation is MySQL or
PostgreSQL. MongoDB (Option C) is not supported, and ODBC (Option D) is not a
database backend.
Q2: During Zabbix server installation, which configuration file parameter specifies the
database password?
A. DBPasswordFile
B. DBPass
,C. DBPassword [CORRECT]
D. DBSecret
Correct Answer: C
Rationale: The zabbix_server.conf parameter is DBPassword (case-sensitive). DBPass
(Option B) is a common distractor but incorrect syntax; DBPasswordFile (Option A) and
DBSecret (Option D) do not exist in standard Zabbix configuration.
Q3: An organization needs to monitor 50,000 devices with minimal WAN traffic to the
central Zabbix server. Which architecture is most appropriate?
A. Single Zabbix server with all agents configured for passive checks
B. Multiple Zabbix servers with database replication
C. Zabbix proxies distributed across geographic regions [CORRECT]
D. Zabbix agents using Zabbix sender exclusively
Correct Answer: C
Rationale: Zabbix proxies provide distributed monitoring with local data buffering (1
hour to 30 days), compression, and encryption—ideal for large-scale deployments with
bandwidth constraints. Single server (Option A) creates bottlenecks; multiple servers
(Option B) complicate management; Zabbix sender (Option D) is for specific use cases,
not general architecture.
Q4: Which Zabbix server process is responsible for evaluating trigger expressions and
generating events?
,A. Poller
B. Trapper
C. Timer [CORRECT]
D. Housekeeper
Correct Answer: C
Rationale: The Timer process evaluates trigger expressions and generates events based
on time-based functions. Pollers (Option A) collect data from agents; Trappers (Option
B) receive incoming data; Housekeeper (Option D) performs database cleanup.
Q5: A security audit requires encrypted communication between Zabbix server and
agents. Which encryption methods are supported?
A. TLS with certificates and TLS with PSK (pre-shared key) [CORRECT]
B. SSLv3 and TLS 1.0 only
C. SSH tunneling and IPsec only
D. Basic authentication and LDAP
Correct Answer: A
Rationale: Zabbix supports TLS with certificates (certificate authority, peer verification)
and TLS with PSK for encrypted communication. SSLv3 (Option B) is deprecated and
insecure; SSH/IPsec (Option C) are not native Zabbix methods; basic auth/LDAP (Option
D) are for frontend authentication, not agent communication.
Q6: Which PHP version is recommended for Zabbix frontend 7.0?
, A. PHP 7.2 or higher
B. PHP 7.4 or 8.x [CORRECT]
C. PHP 5.6 with security patches
D. PHP 8.2 only—earlier versions are deprecated
Correct Answer: B
Rationale: Zabbix 7.0 supports PHP 7.4 or 8.x (8.0, 8.1, 8.2). PHP 7.2 (Option A) is too
old; 5.6 (Option C) is dangerously outdated; while 8.2 works, earlier 8.x versions are also
supported (Option D is too restrictive).
Q7: An administrator needs to increase the number of concurrent poller processes to
handle more agents. Which configuration parameter controls this?
A. MaxPollers
B. PollersLimit
C. StartPollers [CORRECT]
D. ConcurrentPollers
Correct Answer: C
Rationale: StartPollers in zabbix_server.conf defines how many poller processes start
initially. This is the standard parameter—other options (A, B, D) are distractors that don't
exist in Zabbix configuration.
Q8: Which component is required for monitoring Java applications via JMX?