Guaranteed Success in CCNP Collaboration 300-820 Exam Dumps
Cisco 300-820 Daily Practice Exam New 2021 Updated 98 Questions
NEW QUESTION 45
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 Webex Control Hub only.
- C. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.
- D. Create user accounts in Cisco Unified IM and Presence.
Answer: B
NEW QUESTION 46
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?
- A. Transcoding in Cisco Unified Communications Manager
- B. Transcoding in Expressway-C
- C. Interworking in Expressway-C
- D. Interworking in Cisco Unified Communications Manager
Answer: A
NEW QUESTION 47
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: A
NEW QUESTION 48
What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?
- A. ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.
- B. ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.
- C. ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.
- D. ICE uses FAST updates to optimize the video quality in case of packet loss. This technology is available only from Cisco Unified CM version 11.5 and later.
Answer: A
NEW QUESTION 49
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: A
NEW QUESTION 50
Which complication does a NAT introduce in SDP for a SIP call?
- A. When the client is behind a NAT they may be unable to determine the appropriate offset due to time zones.
- B. The encryption keys advertised in the SDP are only valid for clients not behind a NAT.
- C. Additional headers due to NAT encapsulation can cause the packet size to exceed the MTU.
- D. The IP address specified in the connection data field may be an unrouteable internal address.
Answer: B
NEW QUESTION 51
Which step is taken when configuring a Cisco Expressway solution?
- A. Configure the Expressway-E by using a non-traversal server zone.
- B. Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.
- C. Enable static NAT on the Expressway-E only.
- D. Disable H.323 mode on the Expressway-E.
Answer: C
Explanation:
Explanation
NEW QUESTION 52
When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.
What is TraversalZone missing that causes this issue?
- A. route pattern to the DefaultZone
- B. link to the DefaultZone
- C. SIP trunk to the DefaultZone
- D. pipe to the DefaultZone
Answer: B
NEW QUESTION 53
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. Neighbor Zone
- C. Traversal Zone
- D. Any
Answer: A
NEW QUESTION 54
Which service is available in a cloud-based deployment using Cisco Webex Messenger?
- A. Voicemail
- B. Phone services
- C. Call forward services
- D. Presence
Answer: D
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/messageservice
NEW QUESTION 55 
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. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- B. The call is queued.
- C. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
- D. The call fails.
Answer: C
NEW QUESTION 56
Which step is required when configuring Cisco Webex Hybrid Message Service?
- A. Add Cisco Unity Connection to Expressway-E.
- B. Add Expressway-C and Cisco United CM to the Cisco Webex Cloud.
- C. Register Expressway-C Connector Hosts to the Cisco Webex Cloud.
- D. Register Expressway-C to Cisco Unified Communications Manager.cisco
Answer: C
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/messageservice
NEW QUESTION 57
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.
Which statement is true?
- A. Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients. A DMZ node is added for extra security.
- B. Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
- C. Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
- D. Installing a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004.
Answer: D
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/hybrid/12x/hybcvd/hms.html
NEW QUESTION 58
Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message:
XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) Connection refused" Which is the cause of this issue?
- A. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.
- B. Rich Media Session licenses are not activated on Expressway-E.
- C. Expressway-E is listening on the wrong IP interface.
- D. The XCP Service is not activated on Expressway-E.
Answer: C
Explanation:
Explanation
https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/118798-technote-cucm-00.htm
NEW QUESTION 59
When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions?
- A. DNS zone, local zone, search rules
- B. search rules, zones, local zones
- C. search rules, transforms
- D. transforms, CPL, user policy, search rules
Answer: C
Explanation:
Explanation
https://community.cisco.com/t5/collaboration-voice-and-video/vcs-dial-plan-example-configuration-to-avoid-int
NEW QUESTION 60 
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. Change the interworking mode to On.
- B. Create a presearch transform.
- C. Disable SIP in the external zone.
- D. Change the domain of SIP endpoint A to cisco.com.
Answer: A
NEW QUESTION 61
Refer to the exhibit.
A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a SIP status of failed from the time the zone it was created. What should be done to resolve this issue?
- A. More bandwidth must be added to the appropriate pipes
- B. The existing zone using ID 7 must be deleted
- C. The search rule must be changed to continue on match
- D. The underlying DNS issue must be resolved
Answer: C
NEW QUESTION 62
Which two types of information does Cisco Expressway back up? (Choose two.)
- A. log files
- B. IP addresses
- C. call records
- D. security certificates
- E. current call states
Answer: D,E
NEW QUESTION 63
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?
- A. SDP b-line
- B. SDP c-line
- C. SDP m-line
- D. SIP record route
Answer: B
NEW QUESTION 64
Refer to the exhibit.
Which description of the transformation is true?
- A. It converts [email protected]:<port> to [email protected]
- B. It converts [email protected]:<port> to [email protected]
- C. It changes [email protected]:<port> to [email protected]
- D. It changes all patterns that begin with [email protected]:<port> to [email protected]
Answer: A
NEW QUESTION 65
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. Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.
- B. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
- C. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.
- D. Add a server certificate to the Expressway-C that is signed by a certificate authority.
Answer: A
NEW QUESTION 66
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