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ZABBIX CERTIFIED SPECIALIST DAY 1, 2, 3, 4, AND 5
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ZABBIX CERTIFIED SPECIALIST DAY 1
When configuring the DB connection, what option exists for storing credentials other than plain text? ---------CORRECT ANSWER----------------- Hashicorp Vault What can the global search in the Zabbix frontend be used to find? --------- CORRECT ANSWER-----------------Hosts, host groups and templates Which menu in the Zabbix frontend contains the audit log? --------- CORRECT ANSWER-----------------Reports Which user types do not have access to Administration? ---------CORRECT ANSWER-----------------User and admin What areas of the Monitoring menu can use named filters? --------- CORRECT ANSWER-----------------Hosts, Problems, Latest data
When editing a host, how do you know what tabs have settings enabled? -- -------CORRECT ANSWER-----------------Green dot What are the three tabs when editing user profiles? ---------CORRECT ANSWER-----------------User, media, messaging Zabbix stores timestamps for all values in what time? ---------CORRECT ANSWER-----------------UNIXTIME What options exist for global notifications that pop up? ---------CORRECT ANSWER-----------------Silence all currently active alarm sounds, mute/unmute current and future alarm sounds Where are global notifications configured? ---------CORRECT ANSWER----- ------------User profile > Messaging By default, how long does it take for changes made in the frontend to show up in the database? ---------CORRECT ANSWER-----------------Once per minute Is it possible to force Zabbix server to read config data with a runtime command? ---------CORRECT ANSWER-----------------Yes What modes exist for the Zabbix agent and what differentiates them? ------- --CORRECT ANSWER-----------------Active, passive. In active mode, all
What cloud vendors are supported for cloud install? ---------CORRECT ANSWER-----------------AWS, Azure, Digital Ocean, Google Cloud, Red Hat Openshift What two options exist for docker container install? ---------CORRECT ANSWER-----------------Zabbix docker hub or GitHub What is the only way to deploy Zabbix if you want to use an Oracle database? ---------CORRECT ANSWER-----------------Source code from Zabbix Git repository What package is required for installing MySQL on a Zabbix server? --------- CORRECT ANSWER-----------------zabbix-server-mysql What are the 3 main types of hosts that Zabbix can gather data from? ------- --CORRECT ANSWER-----------------Hardware, OS, VM & Container What are the 3 other types of hosts that Zabbix can gather data from? ------ ---CORRECT ANSWER-----------------Cloud hosts Applications Business Services What method is used to monitor Databases? ---------CORRECT ANSWER-- ---------------ODBC
When was Zabbix 1.0 released? ---------CORRECT ANSWER----------------- 23rd March 2004 How often is a long term support version of Zabbix released? --------- CORRECT ANSWER-----------------Every 18 months When was Zabbix LLC established? ---------CORRECT ANSWER------------- ---- 2005 Which parts of Zabbix have been built using C? ---------CORRECT ANSWER-----------------Server, Proxy, Agent What parts of Zabbix have been built using Go? ---------CORRECT ANSWER-----------------Zabbix Agent 2, Web Services What does Zabbix use PHP for? ---------CORRECT ANSWER----------------- Frontend Does Zabbix support Java? ---------CORRECT ANSWER-----------------Yes Name three commerical services that Zabbix LLC and certified partners provide? ---------CORRECT ANSWER-----------------Technical Support, Remote Tshooting, Consulting, Upgrades, Training, Turn-key Solutions, Integration, Template Building
What are the additional libraries required when installing Zabbix on Linux? - --------CORRECT ANSWER-----------------Libpcre, libevent, zlib What is the one role of the Zabbix web service? ---------CORRECT ANSWER-----------------Generating scheduled reports What needs to be built before Zabbix deployment? ---------CORRECT ANSWER-----------------Database with Unicode database character set and UTF8 national character set What are the 5 minimum requirements in the configuration file required to start the Zabbix server? ---------CORRECT ANSWER-----------------Database host address, name, schema (PostgreSQL), user, password How do you start Zabbix with a different configuration file? --------- CORRECT ANSWER-----------------zabbix_server - c /tmp/test_zabbix_server.conf Name one runtime control that the zabbix_server can do? --------- CORRECT ANSWER-----------------zabbix_server - R config_cache_reload zabbix_server - R housekeeper_execute zabbix_server - R snmp_cache_reload zabbix_server - R secrets_reload zabbix_server - R diaginfo
What is the recommended debug level for a production environment? ------- --CORRECT ANSWER----------------- 3 - Warning What is required if you change the log level in the config file? --------- CORRECT ANSWER-----------------Server restart How do you increase the log level using runtime controls? --------- CORRECT ANSWER-----------------zabbix_server - R log_level_increase What is the command to install MySQL on a Zabbix server? --------- CORRECT ANSWER-----------------dnf - y install mysql-community-server What is the command to create the database on MySQL? --------- CORRECT ANSWER-----------------create database zabbix character set utf8mb4 collate utf8mb4_bin; What is the command to edit the zabbix config file? ---------CORRECT ANSWER-----------------nano /etc/zabbix/zabbix_server.conf What is the command to enable the Zabbix server service and have it start on every boot? ---------CORRECT ANSWER-----------------Systemctl enable zabbix-server —now Where is the Zabbix log file located? ---------CORRECT ANSWER------------- ----/var/log/zabbix/zabbix_server.log
How do you install Zabbix frontend from the command line? --------- CORRECT ANSWER-----------------dnf - y install zabbix-web-mysql (or zabbix-web-postgresql) zabbix-apache-conf (or zabbix-nginx-conf) What command do you run to check the Apache status? ---------CORRECT ANSWER-----------------systemctl status httpd Can you create a user without assigning them to a user group? --------- CORRECT ANSWER-----------------No What is the default page when you login to frontend? ---------CORRECT ANSWER-----------------Monitoring > Hosts What do Zabbix hosts use to collect metrics? ---------CORRECT ANSWER-- ---------------Items Where is data preprocessing for a host defined? ---------CORRECT ANSWER-----------------Item configuration What is the four step Zabbix data flow? ---------CORRECT ANSWER--------- --------Item > Trigger > Event > Conditions (then Operations) Can a trigger belong to multiple hosts? ---------CORRECT ANSWER---------- -------Yes
Scheduled execution of operation steps is called what? ---------CORRECT ANSWER-----------------Escalation Can templates be linked to a host group? ---------CORRECT ANSWER------ -----------No, only similar hosts What entities can be tagged? ---------CORRECT ANSWER----------------- Hosts, Templates, Items, Triggers True or false. An event will inherit all the host, item and trigger tags. --------- CORRECT ANSWER-----------------True What options exist for filtering through hosts? ---------CORRECT ANSWER- ----------------Host group, template, name, DNS, IP, Port, Monitoring by (any, server, proxy), tags What tabs exist when creating/editing a host? ---------CORRECT ANSWER- ----------------Host, IPMI, Tags, Macros, Inventory, Encryption, Value mapping What are the four types of Macros and how are they written? --------- CORRECT ANSWER-----------------Built in {MACRO}, User defined {$MACRO}, low level discovery {#MACRO}, Expression {?MACRO}
What entities are available for monitoring when configuring a host? --------- CORRECT ANSWER-----------------Items, Triggers, Graphs, Web scenarios, Discovery rules True or false. Host names & visible names must be unique and are case sensitive? ---------CORRECT ANSWER-----------------True What are the four supported interface types? ---------CORRECT ANSWER-- ---------------ZBX (passive zabbix agent), SNMP, IPMI, JMX (Java) What item types require an interface but may or may not use it? --------- CORRECT ANSWER-----------------Simple check, external check, Telnet/SSH What does the Grey availability icon mean? ---------CORRECT ANSWER--- --------------At least one interface had unknown status and none unavailable What are the default values for unreachable pollers? ---------CORRECT ANSWER-----------------UnreachableDelay=15, UnreachablePeriod=45, UnavailableDelay= What must be unique when adding an Item to a Host? ---------CORRECT ANSWER-----------------Key. Names do not need to be unique (not recommended)
Passive data collection is also called polling, what is the other name for active data collection? ---------CORRECT ANSWER-----------------Trapping When working with Items, Optional parametres '<>' will use what if not specified? ---------CORRECT ANSWER-----------------Default values When working with Items, in what scenarios would you need double quotations? ---------CORRECT ANSWER-----------------If the key contains commas, square brackets or quotation mark (escaped with backslash ") Regarding data collection, what is the difference between history and trends? ---------CORRECT ANSWER-----------------History keeps each value with UNIX timestamp, Trends keep hourly aggregated data Housekeeper removes what data and how frequently by default? --------- CORRECT ANSWER-----------------Expired data, hourly Can you apply a template to a host group? ---------CORRECT ANSWER----- ------------No Can you add items to a host group? ---------CORRECT ANSWER-------------- ---No Will an event only inherit item tags? ---------CORRECT ANSWER-------------- ---No, it will inherit all tags (host & trigger also)
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_agentd.conf 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 system.sw.packages[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_agentd.conf 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_agentd.conf 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 system.hostname. In the zabbix_agentd.conf 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".
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. 13:28: 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).
