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NEW QUESTION # 73
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 then is sent to the traversal zone.
- B. 13358 is replaced by 135, and then is sent to the local zone.
- C. 13358 is sent directly to the traversal zone.
- D. 13358 is replaced by 135 and remains in the same zone.
Answer: C
NEW QUESTION # 74
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. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
- B. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
- C. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
- D. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
Answer: C
NEW QUESTION # 75
What allows endpoints behind a NAT to discover the paths through which they will pass media?
- A. SNMP
- B. RTP
- C. TLS
- D. ICE
Answer: D
NEW QUESTION # 76
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?
- A. SDP c-line
- B. SDP b-line
- C. SDP m-line
- D. SIP record route
Answer: A
Explanation:
c-line shows the connection information, Media IP address. So if it is Nat it will be reflected there.
NEW QUESTION # 77
Refer to the exhibit. Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)
- A. HTTPS: TCP 8443
- B. SIP TCP 5061
- C. XMPP: TCP 7400
- D. SIP: TCP 7001
- E. Media: UDP 36012 to 59999
Answer: C,D
Explanation:
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-
5/Cisco-Expressway-IP-Port-Usage-for-The internal firewall must allow the following outbound connections from the Expressway-C to the Expressway-E:
SIP: TCP 7001
Traversal media: UDP 2776 to 2777 (or 36000 to 36011 for large
VM/appliance)
XMPP: TCP 7400
HTTPS (tunneled over SSH between C and E): TCP 2222
NEW QUESTION # 78
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, transforms
- C. search rules, zones, local zones
- D. transforms, CPL, user policy, search rules
Answer: D
Explanation:
https://ccieme.wordpress.com/2016/11/07/14-4-cisco-vcs-dial-plan-components/
NEW QUESTION # 79
Within which cache timeline do the Webex App endpoints perform a STUN test to calculate round-trip delay time to available media node clusters?
- A. 4 hours
- B. 2 hours
- C. 6 hours
- D. 1 hour
Answer: C
NEW QUESTION # 80
You must install an Expressway Edge server pair to enable mobile and remote access for a customer network. Which two requirements are used to install an MRA solution successfully?
(Choose two.)
- A. Configure your firewalls to allow traffic from Expressway-Core to Expressway-Edge servers and to allow traffic from internet hosts to Expressway-Edge servers.
You do not need to configure firewall rules for traffic from Expressway-Edge to Expressway Core servers. - B. You can deploy Edge servers with multiple network interfaces or with a single network interface.
In both scenarios, you must enable NAT for the Internet-facing interface if you are using private Ip addresses. - C. Configure DNS SRV records according. Make sure that you can resolve DNS SRV record_collab- edge_tls.yourdomain.com outside your company network.
Make sure that you cannot resolve it inside your company network. - D. Make sure that Expressway-Edge and Expressway-Core servers have their server certificates signed by the same certification authority and the CA certificate is uploaded to the trusted CA store otherwise the Traversal zone will not work.
Answer: C,D
NEW QUESTION # 81
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?
- A. Enable the directory service on Cisco Expressway Edge for Office 365 or Cisco Expressway Core for internal Active Directory and add the service in Webex Control Hub.
- B. Enable the directory service in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.
- C. Install the Cisco Express Connector and configure the device in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.
- D. Install Cisco Directory Connector on a Microsoft Windows Domain server and configure the software and Webex Control Hub.
Answer: D
NEW QUESTION # 82
When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on the Expressway-E UC traversal zone?
- A. Expressway-C Cluster Name
- B. Webex CUSP Cluster Name
- C. Expressway-E Cluster Name
- D. Cisco Unified Communications Manager Publisher FQDN
Answer: C
NEW QUESTION # 83
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 then is sent to the traversal zone.
- B. 13358 is replaced by 135, and then is sent to the local zone.
- C. 13358 is sent directly to the traversal zone.
- D. 13358 is replaced by 135 and remains in the same zone.
Answer: A
NEW QUESTION # 84
What should be considered when using the Cisco Webex hybrid service?
- A. Expressway Connector is required for an on-premises Exchange server.
- B. Directory Connector is required for Azure AD.
- C. Directory Connector must be deployed for OBTP to work with on-premises video devices.
- D. Hybrid Message service works only with Jabber cloud deployment.
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/c alendarservice/cmgt_b_deploy-spark-hybrid-calendar-service/cmgt_b_deploy-spark-hybrid- calendar-service_chapter_011.html
NEW QUESTION # 85
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. Rich Media Session licenses are not activated on Expressway-E.
- B. Expressway-E is listening on the wrong IP interface.
- C. The XCP Service is not activated on Expressway-E.
- D. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/118798-technote-cucm-00.htm
NEW QUESTION # 86
Refer to the exhibit.
Which two numbers match the regular expression? (Choose two.)
- A. 0
- B. 1
- C. d209d165d200d224
- D. d20d16d20d22
- E. 2
Answer: A,B
NEW QUESTION # 87
What is a description of an Interactive Connectivity Establishment?
- A. It is used to find the best media path between network elements in traversal calls.
- B. It allows Mobile and Remote Access endpoints to connect video calls signaling peer-to-peer.
- C. It allows calling external endpoints with reduced overhead under VPN connections.
- D. It is used by B2BUA to keep the firewall ports opened for inbound/outbound calls.
Answer: B
NEW QUESTION # 88
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 Webex and the new Video Mesh node is formed.
- B. The call is queued.
- C. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- D. The call fails.
Answer: A
NEW QUESTION # 89
An administrator is configuring a new Cisco Webex Hybrid Message Service deployment, and the Expressway-C Message Connector is successfully registered in the Control Hub. After the server information of the IM and Presence server is added to the Expressway-C, an error "Connectivity to IM and Presence AXL Service could not be established" is displayed in the Control Hub. The Cisco AXL Web Service is enabled on the IM and Presence Service publisher, and the main administrator account enabled for AXL API permission is being used.
Which configuration change must be made to resolve this error?
- A. Enable a second administrator account for AXL API permissions on the IM and Presence Service publisher
- B. Enable the Cisco AXL Web Service on the Control Hub
- C. Enable the Cisco AXL Web Service on the Expressway-C Message Connector
- D. Enable an End User account for AXL.API permissions on the IM and Presence Service publisher
Answer: A
Explanation:
Configure an account for Message Connector to access the AXL API of the Cisco Unified Communications Manager IM and Presence Service. You must use an independent administrator account, not the main administrator account.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/m essageservice/cmgt_b_spark-hybrid-message-deployment-guide/cmgt_b_spark-hybrid-message- deployment-guide_chapter_010.html
NEW QUESTION # 90
Refer to the exhibit. You have Cisco Expressway using SIP for external calls. SIP Nat/Alg is configured on the edge firewall. The call fails with one way audio. Which problem with the configuration?
- A. The Apache service was not restarted on Cisco Unified Communications Manager after SIP TLS was configured.
- B. The security certificate used by Cisco Expressway is not valid
- C. SIP NAT is not enabled for TLS
- D. Secure SIP (TLS) is not supported by the firewall.
Answer: C
NEW QUESTION # 91
A Jabber user is being prompted to trust the Expressway-E certificate when using Mobile and Remote Access. The administrator has validated that the Expressway-E certificate is being trusted by the machine running the Jabber client.
What else can be done to solve this problem?
- A. Change the FQDN of the Expressway.
- B. Include Cisco Unified Communications Manager registration domain in the Expressway-E certificate as a SAN.
- C. Change the domain name.
- D. Create a new CSR with new information on the SAN field.
Answer: B
NEW QUESTION # 92
Which connection does the traversal zone configuration define?
- A. Cisco UC and Cisco Unified Presence Server
- B. Expressway-E and Collaboration Endpoints
- C. Cisco UCS E-Series and Cisco UCM
- D. Cisco Expressway-C and Cisco Expressway-E platforms
Answer: D
Explanation:
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-
11/Cisco-Expressway-Basic-Configuration-Deployment-Guide-X8-11-4.pdf
NEW QUESTION # 93
Which two statements about Expressway media traversal are true? (Choose two.)
- A. Both Expressway Edge interfaces can be NATed.
- B. Expressway Control is the traversal server installed in the DMZ.
- C. The Unified Communications traversal zone can be used for Mobile and Remote Access.
- D. The Expressway Edge must be put in a firewall DMZ segment.
- E. Cisco Unified Communications Manager zone can be either traversal server or client.
Answer: C,D
Explanation:
Explanation
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-10/Cisco-Expressway
NEW QUESTION # 94
Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages.
Why is the Jabber client unable to sign in?
- A. incorrect login credentials
- B. service discovery issues
- C. down Cisco Unified Communications Manager server
- D. XMPP bind failures
Answer: D
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-
7/exwy_b_mra-deployment/exwy_m_mra-troubleshooting.pdf
NEW QUESTION # 95
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