Which is true regarding SNMP$?($Choose two.$)$

$1.$

SNMPv$3$ provides the best security of the three versions.

$2.$

SNMPv$2$c offers more security than SNMPv$1.$

$3.$

SNMPv$3$ uses TCP and introduced the GETBULK operation.

$4.$

SNMPv$2$c introduced the INFORM operation.