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Free 300-820 Exam Braindumps
Implementing Cisco Collaboration Cloud and Edge Solutions Questions 21–25 (page: 6)

Updated On: 9-Feb-2026
Page 6 of 31
PDF with 277 Questions

Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?

  1. STUN
  2. RTP
  3. SNMP
  4. TURN

Answer(s): A


Reference:

https://www.cisco.com/c/en/us/td/docs/solutions/PA/ICE/icepa125.html



Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

  1. Off
  2. Best Effort
  3. Auto
  4. Force Encrypted

Answer(s): A


Reference:

https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/admin_guide/Cisco-Expressway-Administrator-Guide-X8-10.pdf



Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?

  1. Expressway-C establishes an outgoing request to Expressway-E, enabling the Expressway-E in the DMZ to notify the internal Expressway-C of an incoming call from an external endpoint.
  2. Internal endpoints are registered to Expressway-E in the DMZ. Expressway-C, which is also in the DMZ, will receive and make calls on behalf of Expressway- E because they are in the same network.
  3. Expressway-E establishes an outgoing request to Expressway-C, enabling the Expressway-C in the DMZ to notify the internal Expressway-E of an incoming call from an external endpoint.
  4. Internal endpoints are registered to Expressway-C in the DMZ. Expressway-E, which is also in the DMZ, will receive and make calls on behalf of Expressway- C because they are in the same network.

Answer(s): A


Reference:

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-5/exwy_b_mra-expressway-deployment-guide/exwy_b_mra- expressway-deployment-guide_chapter_00.html



Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?

  1. call routing
  2. traversal subzone
  3. call policy
  4. search rule

Answer(s): A


Reference:

https://cmslab.ciscolive.com/pod8/cucm/expctrunk



Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?

  1. connection
  2. name
  3. version
  4. bandwidth

Answer(s): B


Reference:

https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-10/Mobile-Remote-Access-via-Expressway-Deployment-
Guide-X8-10.pdf



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