Available item types

Question 1

Zabbix agent

Answer 1

default type, server connects to agent & gathers data

Question 2

Zabbix agent (active)

Answer 2

zabbix agent gathers data & connects to server as needed

Question 3

simple check

Answer 3

simple checks by server, as open TCP ports, ICMP ping, etc

Question 4

SNMP agents

Answer 4

gathering SNMP data, selecting protocol version when connecting

Question 5

Zabbix trapper

Answer 5

accepts incoming data instead of querying for it. Moswtly used for SNMP trap receiving, but useful 4 any data you want to feed into Z-x

Question 6

Z-x internal

Answer 6

items that gather info abt internal state of Z-x

Question 7

Z-x aggregate

Answer 7

aggregate values across a host group. Mostly useful for clusters where overall state more important than state for individual machines

Question 8

External check

Answer 8

allow Z-x server 2 execute external command and store the returned value in the item. Allows any information that does not pass into other items.

Question 9

Database monitor

Answer 9

includes built-in native checks for querying various db parameters

Question 10

IPMI agent

Answer 10

allows direct access to IPMI data

Question 11

ssh agent

Answer 11

retrieves shell command output; supports pass and key both

Question 12

telnet agent

Answer 12

direct telnet check can be used, insecure, but only way to access some devices (old UPSes / switches)

Question 13

Calculated

Answer 13

allow creating new values without duplicate data retrieval