Cisco CCNP Collaboration 300-820 CLCEI Exam Questions

The Implementing Cisco Collaboration Cloud and Edge Solutions v1.0 (CLCEI 300-820) exam is a 90-minute exam associated with the CCNP Collaboration and Cisco Certified Specialist – Collaboration Cloud & Edge Implementation certifications. This exam tests a candidate’s knowledge of collaboration cloud and edge solutions, expressway configurations, Cisco WebEx Teams hybrid and emerging technologies.

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Cisco CCNP Collaboration 300-820 CLCEI Exam Questions – Implementing Cisco Collaboration Cloud and Edge Solutions (CLCEI)

1. When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device.

To do so, it is important that so media i plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.

Which range is correct?

 
 
 
 

2. When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verify subject name must be configured on the Expressway-EUC traveral zone?

 
 
 
 

3. Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as [email protected] and receives the error ”Cannot find your services Automatically”. The engineer tries to resolve SRV records used by Jabber

DNS A record “expressway-e.example.com” points to the Expressway-E IP and “cucmexample.com” points to the Cisco Unified Communications Manager.

Which change resolves the DNS problem?

 
 
 
 

4. With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)

 
 
 
 
 

5. Which statement about the Cisco Webex hybrid service is true?

 
 
 
 

6. A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.

Which statement is true?

 
 
 
 

7. Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

 
 
 
 
 

8. What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?

 
 
 
 

9. Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

 
 
 
 

10. When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions?

 
 
 
 

11. Which complication does a NAT introduce in SDP for a SIP call?

 
 
 
 

12. A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.

What must be set up to enable this requirement?

 
 
 
 

13. When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

 
 
 
 

14. A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP.

Which functionality would describe the feature that needs to be enabled and where to achieve this?

 
 
 
 

15. What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?

 
 
 
 

16. Cisco Collaboration endpoints are exchanging encrypted signaling messages.

What is one major complication in implementing NAT ALG for voice and video devices?

 
 
 
 

17. What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

 
 
 
 
 

18. Which media encryption mode can be configured on an Expressway zone?

 
 
 
 

19. What is the purpose of a transform in the Expressway server?

 
 
 
 

20. An organization with a domain name of example.com.

Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)

 
 
 
 
 

21. What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

 
 
 
 

22. Refer to the exhibit.

Which two numbers match the regular expression? (Choose two.)

 
 
 
 
 

23. A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.

For which reason would you see activity on the TURN server when a call is established between two external endpoints?

 
 
 
 

24. Which role does Call Policy play when preventing toll fraud on Expressways?

 
 
 
 

25. What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

 
 
 
 

26. Which statement about scheduling Expressway backups is true?

 
 
 
 

27. Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)

 
 
 
 
 

28. What allows endpoints behind a NAT to discover the paths through which they will pass media?

 
 
 
 

29. Which two types of information does Cisco Expressway back up? (Choose two.)

 
 
 
 
 

30. Which connection does the traversal zone configuration define?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. 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?

 
 
 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

 
 
 
 

37. Refer to the exhibit.

What is the result of a transformation applied to alias 88514?

 

38. When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device. To do so, it is important that some dial plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.

Which range is correct?

 
 
 
 

39. Which zone is required on a B2B deployment between Expressway-C and Expressway-E?

 
 
 
 

40. Which mode should be used when Call Policy is configured on Expressways?

 
 
 
 

41. Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?

 
 
 
 

42. Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?

 
 
 
 

43. Which step is taken when configuring a Cisco Expressway solution?

 
 
 
 
 
 
 

44. Which step is required when configuring Cisco Webex Hybrid Message Service?

 
 
 
 

45. Refer to the exhibit.

In an environment SIP devices are registered to CUCM and H.323 devices to VCS.

What would be required to enable these calls to setup correctly?

 
 
 
 

46. Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages.

Why is the Jabber client unable to sign in?

 
 
 
 

47. Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

 
 
 
 
 

48. What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

 
 
 
 

49. Refer to the exhibit.

If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?

 
 
 
 

50. Refer to the exhibit.

Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.

What happens to the participant’s call?

 
 
 
 

51. Which statement about scheduling Expressway backups is true?

 
 
 
 

52. What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

 
 
 
 

53. Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?

 
 
 
 

54. How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?

 
 
 
 

55. Which statement about the Cisco Webex hybrid service is true?

 
 
 
 

56. Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "[email protected]" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.

DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager.

Which change resolves the DNS problem?

 
 
 
 

57. An organization wants to enable a Cisco Webex connector to synchronize all employees

automatically with Cisco Webex instead of using a manual list.

Where is the Webex Hybrid Directory Service configured?

 
 
 
 

58. Refer to the exhibit.

Which inbound connection should an administrator configure on the outside firewall?

 
 
 
 

59. An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.

Which is an available proxy type in the Video Mesh node configuration to support this deployment model?

 
 
 
 

60. A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.

Which statement is true?

 
 
 
 

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