Zabbix Certified Specialist Day 2 Complete Questions Answered Correctly

What will happen to problems if the trigger they depend on is in the PROBLEM state? - CORRECT ANSWER They will be suppressed Where can dependencies between triggers be defined? - CORRECT ANSWER On the same host or on different hosts What is a Zabbix agent passive check? - CORRECT ANSWER Zabbix server or proxy asks for a single metric and Zabbix agent sends back the result. What does not matter at all for passive checks? - CORRECT ANSWER Host name What must be specified to allow connectivity between Zabbix Server and Zabbix Agent? - CORRECT ANSWER Server parameter must match Zabbix server or proxy IP address (or subnet). What is the default number of pollers that are started at once? - CORRECT ANSWER 5 What is the Zabbix server timeout (connection timeout)? - CORRECT ANSWER The number of seconds the Zabbix server will wait for an answer from the agent. What are 2 reasons for installing Zabbix_get? - CORRECT ANSWER To gather data from the Agent, to run a passive test, can be used in custom scripts. What file needs to be edited to allow Zabbix Server to connect to Zabbix Agent? - CORRECT ANSWER /etc/zabbix/zabbix_ What command allows you to view the list of installed packages on a Zabbix Agent? - CORRECT ANSWER zabbix_get -s 127.0.0.1 -k ges[zabbix] Can Zabbix agent be installed on Windows? - CORRECT ANSWER Yes What field is mandatory for Zabbix agent to communicate in Active Mode? - CORRECT ANSWER Hostname, it must be defined the same on both the frontend host & in the zabbix_ file. On which port is data from active Agents accepted? And by what process? - CORRECT ANSWER Port 10051, by trapper process. Are interfaces required for Active Agent checks? - CORRECT ANSWER No What value in the zabbix_ file needs to be updated with the Zabbix Server or Proxy IP address? - CORRECT ANSWER ServerActive What command is used to return the Zabbix Agent hostname? - CORRECT ANSWER zabbix_agentd -t ame. In the zabbix_ file, what happens if multiple IP addresses are listed under the ServerActive field? - CORRECT ANSWER It will send data to all listed servers. How often does the Agent retrieve configuration data from the Zabbix Server? - CORRECT 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? - CORRECT ANSWER Memory buffer (every 5 seconds by default). Do active checks use an availability icon? - CORRECT 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? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER Because the UNIXTIME is exact when the log is generated on the device running the agent. What is the main purpose of UserParameters? - CORRECT 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? - CORRECT ANSWER Keys. Can you reload userparameters without restarting the Zabbix agent? If so, what is the command? - CORRECT ANSWER Yes, zabbix_agentd -R userparameter_reload What is the sytnax for UserParameters? - CORRECT ANSWER UserParameter=key,command How do you run a UserParameter script? - CORRECT ANSWER zabbix_agentd -t mykey Why should you not configure a UserParameter that takes a long time to finish? - CORRECT 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? - CORRECT ANSWER No What character can be used to prevent a unit from being converted using special processing? - CORRECT ANSWER Exclamation mark "!" before the unit value. If you define the unit "unixtime" under an item, how will it display on the frontend portal? - CORRECT ANSWER 2023.03.21 13:28:32 What information types support value maps between raw values and string representations? - CORRECT ANSWER Numeric (unsigned), numeric (float), Character. If multiple mappings overlap, what match will be applied? - CORRECT ANSWER First. Which three Item types cannot have update intervals defined? - CORRECT ANSWER Zabbix trapper, SNMP trapper, Dependent items. What is the minimum allowed update interval? - CORRECT ANSWER 1 second. What is the default update interval metric if a suffix is not set? - CORRECT ANSWER Seconds. What is one reason why you might want to setup flexible update intervals? And if multiple exist, which takes precedence? - CORRECT ANSWER To retrieve data less frequently outside of business hours. Lowest interval takes precedence. What are the five different time values for setting scheduling intervals and what do they mean? - CORRECT ANSWER md; month days (1-31), wd; week days (1-7), h; hours (0-23), m; minutes (0-59), s; seconds (0-59). Can custom intervals be used for active checks? - CORRECT ANSWER Yes, but only for Zabbix agent 2. What is the difference between Flexible and Scheduling custom intervals? - CORRECT ANSWER Flexible custom interval you define an interval and a period (lowest value takes precedence), Scheduling is where you define a specific time(s) that you want the check to happen (on the minute, on the hour etc). How are transformations in pre-processing handled i.e. in what order? - CORRECT ANSWER In the order they are defined.