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350-801 · Question #393

Refer to the exhibit. When a call is received on Cisco Unified Border Element from which lP does it allow a connection?

The correct answer is B. 192.168.102.102. The Cisco Unified Border Element (CUBE) allows a connection from 192.168.102.102, indicating that its configuration is set to accept calls from this specific source IP address.

Voice Gateways and Session Border Controllers

Question

Refer to the exhibit. When a call is received on Cisco Unified Border Element from which lP does it allow a connection?

Exhibit

350-801 question #393 exhibit

Options

  • A192.168.100.103
  • B192.168.102.102
  • C192.168.100.102
  • D192.168.101.201

How the community answered

(29 responses)
  • A
    14% (4)
  • B
    76% (22)
  • C
    7% (2)
  • D
    3% (1)

Why each option

The Cisco Unified Border Element (CUBE) allows a connection from 192.168.102.102, indicating that its configuration is set to accept calls from this specific source IP address.

A192.168.100.103

Based on the provided correct answer, the CUBE's configuration does not allow connections from 192.168.100.103 for the given call scenario.

B192.168.102.102Correct

The Cisco Unified Border Element (CUBE) is configured to permit inbound connections originating from the IP address 192.168.102.102, typically by matching an inbound dial-peer's settings or through an access control list applied to the ingress interface.

C192.168.100.102

The CUBE is not configured to allow connections from 192.168.100.102 in this specific scenario, as implied by the chosen correct answer.

D192.168.101.201

The CUBE's current configuration does not permit connections from 192.168.101.201 for the call being received, according to the correct answer.

Concept tested: CUBE inbound call routing - source IP filtering

Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cubesr/sip15-1/configuration/guide/cubesr-sip-cfg/cubesr-sip-cfg-chap03.html

Topics

#Cisco Unified Border Element (CUBE)#SIP Trunking#Call Admission Control#IP Security

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