Cisco 300-820 Test Engine Dumps Training With 98 Questions
300-820 Questions Pass on Your First Attempt Dumps for CCNP Collaboration Certified
NEW QUESTION 25
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. NAT ALG introduces jitter in the voice path.
- C. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.
- D. The NAT ALG cannot inspect the contents of encrypted signaling messages.
Answer: D
Explanation:
Explanation
https://www.voipinfo.net/docs/cisco/collab11.pdf
NEW QUESTION 26
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?
- A. Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
- B. Cisco Unified CM is always used for meeting capabilities.
- C. Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
- D. Cisco Webex Meeting Center is always used for meeting capabilities.
Answer: A
NEW QUESTION 27
Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?
- A. Mobile and remote access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.
- B. Although a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.
- C. SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.
- D. No Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.
Answer: D
NEW QUESTION 28
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?
- A. The video call is using 4K resolution, which is not supported by ICE with CUCM 12.5
- B. The video call is using encryption, which is not supported by ICE with CUCM 12.5
- C. A STUN cannot punch holes in the firewall
- D. ICE cannot reduce the packet loss on the link
Answer: C
NEW QUESTION 29
Refer to the exhibit.
The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 30
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 31
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 32
Which media encryption mode can be configured on an Expressway zone?
- A. force unencrypted
- B. Triple Data Encryption Standard
- C. Advanced Encryption Standard
- D. IPsec
Answer: A
NEW QUESTION 33
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 34
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 35
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 36
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
NEW QUESTION 37
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 38
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.
Answer: C
NEW QUESTION 39
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?
- A. Reverse Proxy
- B. Transparent Explicit Proxy
- C. Transparent Inspecting Proxy
- D. Distorting Proxy
Answer: C
NEW QUESTION 40
What is the purpose of a transform in the Expressway server?
- A. A transform has the function as a neighbor zone in the Expressway. It creates a connection with another server.
- B. A transform changes the audio codec when the call goes through the Expressway.
- C. A transform is used to route calls to a destination.
- D. A transform changes an alias that matches certain criteria into another alias.
Answer: D
NEW QUESTION 41
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway Edge must use public CA signed certificate.
- B. The Jabber client can work with public or private CA signed certificate.
- C. Expressway Core can use private CA signed certificate.
- D. You must upload the root certificates in the phone trust store.
- E. Expressway must generate certificate signing request.
Answer: B,C
NEW QUESTION 42
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is replaced by 135 and remains in the same zone.
- B. 13358 is replaced by 135, and then is sent to the traversal zone.
- C. 13358 is sent directly to the traversal zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION 43
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?
- A. Cisco Webex Meeting Center is always used for meeting capabilities.
- B. Cisco Unified CM is always used for meeting capabilities.
- C. Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
- D. Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
Answer: A
NEW QUESTION 44
Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)
- A. A VMN can terminate a media connection while operating in maintenance mode.
- B. Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.
- C. When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.
- D. When Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.
- E. The cascading traffic between VMN must bypass the firewall.
Answer: B,C
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/hybrid/12x/hybcvd/hms.html
NEW QUESTION 45
Refer to the exhibit.
Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?
- A. Ensure that the SIP domains are added on Expressway Core.
- B. Ensure that the peer address does not match the Common Name on certificate.
- C. Ensure that the _cisco-uds SRV record has been configured.
- D. Ensure that the credential has been entered correctly.
Answer: D
NEW QUESTION 46
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 47
An administrator has been tasked to bulk entitle 200 existing users and ensure all future users are automatically configured for the Webex Hybrid Calendar Service. Which two options should be used to configure these users? (Choose two.)
- A. From Cisco Webex Control Hub, verify the domain that your Hybrid Calendar users will use, which
- B. Export a CSV list of users in the Cisco Webex Control Hub, set the Hybrid Calendar Service to TRUE for users to be enabled, then import the file back to Manage Users menu in the Cisco Webex Control Hub.
- C. Select the Hybrid Services settings card in the Cisco Webex Control Hub and import a User Status report that contains only users to be enabled.
- D. On the Users tab in the Cisco Webex Control Hub, check the box next to each user who should be enabled, then click the toggle for the Hybrid Calendar service to turn it on.
- E. Set up an Auto-Assign template that enables Hybrid Calendar.
Answer: A,B
Explanation:
automatically activates them for the service.
NEW QUESTION 48
......
300-820 Practice Test Pdf Exam Material: https://testking.guidetorrent.com/300-820-dumps-questions.html