ZABBIX CERTIFIED SPECIALIST DAY 2 WITH
COMPLETE SOLUTIONS// AGRADE (2026/2027)
In the zabbix_agentd.conf file, what happens if multiple IP
addresses are listed under the ServerActive field? - ANSWER -
>It will send data to all listed servers.
How often does the Agent retrieve configuration data from the
Zabbix Server? - ANSWER ->On agent start and every 2 minutes.
Where does the Zabbix agent store collected values when in
active mode? And how often is the data sent? - ANSWER -
>Memory buffer (every 5 seconds by default).
Do active checks use an availability icon? - ANSWER ->No, must
refer to latest data.
What must you do after updating the hostname on an agent?
And what is the command to do this? - ANSWER ->You must
restart the agent using the command "systemctl restart zabbix-
agent".
What is the default hostname on new Agent installations and
why is this a problem? - ANSWER ->Zabbix server, hostname
must be unique otherwise the data will be represented under
the host called Zabbix server.
, Why are Active checks more precise? - ANSWER ->Because the
UNIXTIME is exact when the log is generated on the device
running the agent.
What is the main purpose of UserParameters? - ANSWER -
>Allows you to run a check that does not come predefined with
Zabbix i.e. Linux command.
What must be unique on the Zabbix agent in regards to
UserParameters? - ANSWER ->Keys.
Can you reload userparameters without restarting the Zabbix
agent? If so, what is the command? - ANSWER ->Yes,
zabbix_agentd -R userparameter_reload
What is the sytnax for UserParameters? - ANSWER -
>UserParameter=key,command
How do you run a UserParameter script? - ANSWER -
>zabbix_agentd -t mykey
Why should you not configure a UserParameter that takes a
long time to finish? - ANSWER ->They will respect timeouts
defined in the server and agent configuration and likely
timeout.
If you change how data is shown in the frontend, does it modify
the data in the database? - ANSWER ->No
COMPLETE SOLUTIONS// AGRADE (2026/2027)
In the zabbix_agentd.conf file, what happens if multiple IP
addresses are listed under the ServerActive field? - ANSWER -
>It will send data to all listed servers.
How often does the Agent retrieve configuration data from the
Zabbix Server? - ANSWER ->On agent start and every 2 minutes.
Where does the Zabbix agent store collected values when in
active mode? And how often is the data sent? - ANSWER -
>Memory buffer (every 5 seconds by default).
Do active checks use an availability icon? - ANSWER ->No, must
refer to latest data.
What must you do after updating the hostname on an agent?
And what is the command to do this? - ANSWER ->You must
restart the agent using the command "systemctl restart zabbix-
agent".
What is the default hostname on new Agent installations and
why is this a problem? - ANSWER ->Zabbix server, hostname
must be unique otherwise the data will be represented under
the host called Zabbix server.
, Why are Active checks more precise? - ANSWER ->Because the
UNIXTIME is exact when the log is generated on the device
running the agent.
What is the main purpose of UserParameters? - ANSWER -
>Allows you to run a check that does not come predefined with
Zabbix i.e. Linux command.
What must be unique on the Zabbix agent in regards to
UserParameters? - ANSWER ->Keys.
Can you reload userparameters without restarting the Zabbix
agent? If so, what is the command? - ANSWER ->Yes,
zabbix_agentd -R userparameter_reload
What is the sytnax for UserParameters? - ANSWER -
>UserParameter=key,command
How do you run a UserParameter script? - ANSWER -
>zabbix_agentd -t mykey
Why should you not configure a UserParameter that takes a
long time to finish? - ANSWER ->They will respect timeouts
defined in the server and agent configuration and likely
timeout.
If you change how data is shown in the frontend, does it modify
the data in the database? - ANSWER ->No
