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QuestionQ299

Voice Gateways and Session Border Controllers

In an SNMP-managed network, Cisco Unified Border Element can serve as both the managed device and an agent. Which two essential Cisco Unified Border Element monitoring elements are currently available through SNMP?

Choose two
  • A Real-Time SIP Trunk Utilization
  • B SIP Calls Arrival Rate Per Second
  • C SIP Calls Holding Time
  • D Historical SIP Trunk Utilization
  • E SIP Trunk Status
Explanation

Cisco's CUBE Management and Manageability specification states that SIP trunk call-traffic statistics, including trunk utilization, are available through SNMP both in real time and historically (via CISCO-VOICE-DIAL-CONTROL-MIB / CISCO-SIP-UA-MIB). Thus Real-Time SIP Trunk Utilization (A) and Historical SIP Trunk Utilization (D) are the two monitoring elements currently available via SNMP. SIP Trunk Status (E) is explicitly called out as an important monitoring element that is NOT available through SNMP (only via CLI/other means), which rules out the blindAnswer. "Arrival Rate Per Second" (B) and "Holding Time" (C) are not the exposed SNMP utilization elements.

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