Excellent 300-820 Updated 2021 Dumps With 100% Exam Passing Guarantee
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NEW QUESTION 20
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?
- A. Create user accounts in Cisco Unified Communications Manager only.
- B. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.
- C. Create user accounts in Cisco Webex Control Hub only.
- D. Create user accounts in Cisco Unified IM and Presence.
Answer: C
NEW QUESTION 21
Which two items are configured when deploying a B2B collaboration solution? (Choose two.)
- A. search rules in Cisco Expressway-E
- B. DNS zone on a Cisco Expressway-C
- C. traversal client on a Cisco Expressway-E
- D. SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-E
- E. SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C
Answer: A,E
NEW QUESTION 22
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?
- A. Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
- B. Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
- C. Cisco Unified CM is always used for meeting capabilities.
- D. Cisco Webex Meeting Center is always used for meeting capabilities.
Answer: C
NEW QUESTION 23
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?
- A. The call is queued.
- B. The call fails.
- C. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
- D. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
Answer: D
NEW QUESTION 24
Refer to the exhibit.
An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.
Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?
- A. Traversal Zone
- B. All
- C. Neighbor Zone
- D. Any
Answer: B
NEW QUESTION 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?
- A. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
- B. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
- C. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
- D. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
Answer: D
NEW QUESTION 26
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. [email protected]
- C. 88513@ccnpcollab com
- D. [email protected]
Answer: B
NEW QUESTION 27
Refer to the exhibit.
An Expressway-C and Expressway-E are configured for B2B calling and the Expressway- E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.
Which action resolves this error?
- A. Add a server certificate to the Expressway-C that is signed by a certificate authority.
- B. Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.
- C. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
- D. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.
Answer: D
NEW QUESTION 28
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?
- A. Internal endpoints cannot use addresses from the private address space.
- B. The NAT ALG cannot inspect the contents of encrypted signaling messages.
- C. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.
- D. NAT ALG introduces jitter in the voice path.
Answer: B
NEW QUESTION 29
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?
- A. _cisco-uds on port 8443
- B. _collab-edge on port 8443
- C. _collab-edge on port 5061
- D. _cisco-uds-edge on port 5061
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-5/exwy_b_mra-expressw
NEW QUESTION 30
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?
- A. Disable SIP in the external zone.
- B. Change the domain of SIP endpoint A to cisco.com.
- C. Create a presearch transform.
- D. Change the interworking mode to On.
Answer: D
NEW QUESTION 31
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?
- A. Both Cloud Node US-EAST and US-WEST
- B. Cloud Node US-WEST
- C. Cloud Node US-EAST
- D. Video Mesh Cluster-2
Answer: D
NEW QUESTION 32
Which statement about the Cisco Webex hybrid service is true?
- A. Hybrid Message service works only with Jabber cloud deployment.
- B. Directory Connector must be deployed for OBTP to work with on-premises video devices.
- C. Directory Connector is required for Azure AD.
- D. Expressway Connector is required for an on-premises Exchange server.
Answer: B
NEW QUESTION 33
What is configured on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
- A. The Expressway-E is enabled for interworking
- B. A static NAT route is added to the firewall to bridge the two networks.
- C. The Expressway-E is enabled for Dual-NIC capability.
- D. Application layer gateway is enabled to bridge the media traffic.
Answer: C
NEW QUESTION 34
Which media encryption mode can be configured on an Expressway zone?
- A. Triple Data Encryption Standard
- B. force unencrypted
- C. IPsec
- D. Advanced Encryption Standard
Answer: B
NEW QUESTION 35
Refer to the exhibit.
An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.
Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?
- A. All
- B. Any
- C. Traversal Zone
- D. Neighbor Zone
Answer: B
NEW QUESTION 36
An engineer wants to configure a zone on the Expressway-E to receive communications from the Expressway-C in order to allow inbound and outbound calls. How is the peer address configured on the Expressway-C when Expressway-E has only one NIC enabled and is using static NAT mode?
- A. Expressway-E DHCP
- B. Expressway-E FQDN
- C. Cisco UCM DHCP
- D. Cisco UCM FQDN
Answer: B
NEW QUESTION 37
Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?
- A. A DNS SRV record must be created for _collab-edge._tls.pod1.local that points to the Expressway-E.
- B. The username [email protected] is invalid. The user should instead sign-in simply as jabberuser.
- C. Skype for Business mode must be disabled on the DNS server because it conflicts with Jabber login requirements.
- D. The domain pod1.local must be deprovisioned from the Webex cloud for Jabber logins.
Answer: A
NEW QUESTION 38
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