101 · Question #131
iQuery is a proprietary protocol that distributes metrics gathered from which three sources? (Choose three.)
The correct answer is A. SNMP C. path probes such as ICMP D. monitors from LTM Systems. iQuery is F5's proprietary inter-device protocol used by GTM to collect and share performance and availability metrics gathered from SNMP, ICMP path probes, and LTM monitors.
Question
iQuery is a proprietary protocol that distributes metrics gathered from which three sources? (Choose three.)
Options
- ASNMP
- BDNS root servers
- Cpath probes such as ICMP
- Dmonitors from LTM Systems
- Emonitors from Generic Host Servers
How the community answered
(27 responses)- A89% (24)
- B7% (2)
- E4% (1)
Why each option
iQuery is F5's proprietary inter-device protocol used by GTM to collect and share performance and availability metrics gathered from SNMP, ICMP path probes, and LTM monitors.
iQuery collects SNMP-based metrics such as CPU and memory utilization from managed devices to inform load balancing decisions.
DNS root servers are part of the name resolution hierarchy and do not contribute metrics to the iQuery protocol.
iQuery distributes metrics from path probes like ICMP to measure network latency and availability between GTM and resource nodes.
iQuery gathers health monitor results from BIG-IP LTM systems, enabling GTM to use real application-layer health data when directing traffic.
Generic Host Servers are monitored entities, not metric sources - only LTM Systems feed monitor results back into iQuery.
Concept tested: F5 iQuery protocol metric sources
Source: https://techdocs.f5.com/en-us/bigip-14-1-0/big-ip-dns-concepts/big-ip-dns-concepts.html
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