Which three network management requirements are common practices in network design?

Ensure that all network devices have their clocks synchronized.

Collect SNMP poll information for future regression analysis.

Capture both ingress and egress flow-based packets, while avoiding duplication of flows.

Look at average counters instead of instantaneous counters for inconsistent and bursty KPIs, such as CPU utilization and interface utilization.

Validate data plane health, and application and services availability, with synthetic traffic.