cisco device monitoring snmp/icmp

cisco device monitoring snmp/icmp

Hello,
Can you explain how opmanager build number 12200 gets following statistics or reports ?
 
in the widget "Device by Response time" 
      how frequently is doing checks and how many in each poll ? is it via icmp or snmp ?
      is the min/max/avg value calculated based on the widget time range ?



Dials in the monitoring screen of cisco device 
      How gets "Response Time" value ?
      Is it via snmp ? which OID ? 
      Does it depends on the device polling interval ? 
      Does it represents device snmp response time ?



Please do not delete this question, at least give me an info what I did wrong
      
      

                New to ADSelfService Plus?