Refer to the exhibit. An administrator troubleshoots Cisco Jabber users experiencing issues when trying to log in and notices errors in the Jabber problem report log. The administrator also sees that the Intercluster Sync Agent service is not running on the IM and Presence server. Why is the Jabber client unable to sign in?
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?
Refer to the exhibit.
Which inbound connection should an administrator configure on the outside firewall?
An engineer is investigating failing incoming calls that are expected to connect. The engineer notices that the failed calls all have a port number of 5060 at the end of the URI. The search rules are configured in a way that they do not expect a port to be included. Which configuration allows the routing of this call?
Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
A company has a single Expressway-E that exhibits high resource utilization. An engineer checks the logs and finds numerous fraudulent attempts from sip:200@cisco.com. Where must the engineer go to configure a call policy rule and block the desired URI?
For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
An administrator deployed the directory connector to synchronize the on-premises Active Directory with the Webex cloud and needs to map attributes from the AD to the corresponding attributes in the cloud. To which Webex cloud attribute must the user Account Control attribute be mapped to ensure that users are synced properly?
How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?
An employee has recently left an organization and a manager suspects that this employee may have made changes to the system that no one is aware of. Mobile and Remote Access registration is not working. Internal communications appear to be working, but no external system is able to register or call anywhere. While investigating this problem, it is discovered that no internal systems are able to call externally either. What is the TraversalZone missing that is causing this issue?
What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?
What is the name of the Webex core service that delivers group messaging, one-to-one messaging, presence, and file sharing?
What allows endpoints behind a NAT to discover the paths through which they will pass media?
A call is sent by Cisco UCM to Expressway with a URI of 75080001@expc1a.pod8.test.lab. If (7508…)
@expc1a\.pod8\.test\.lab.* is the pattern string, what would be the replacement string of the transform in Expressway to re-write the call so that it becomes 75080001@conf.pod8.test.lab?
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?
A company decided to gradually move to the Cisco Webex Cloud from a Cisco on-premises solution. One step is to configure a Cisco Hybrid Services connector. Where must an engineer make this configuration?
Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?
Which describes what could do on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
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?
What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)
Which media encryption mode can be configured on an Expressway zone?
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?
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?
An engineer is supporting an existing Cisco Collaboration deployment that has internal and external home users using the solution without VPN. Business usage also includes B2B calling for voice and video. Suddenly the engineer receives a report that one of the home office users cannot use the Cisco Jabber client, and shortly after, a few more reports come in for the same error. What must the engineer check first to resolve this issue?
Refer to the exhibit.
Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)
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?
Which mechanism does TLS use to validate identity?
Employees at company A must call employees at company B in an extension range of 4XXX@companyB.com. Both companies have a Cisco collaboration infrastructure. All required zones are configured in Cisco Expressways at company A. What must be configured on the Expressway at company A to enable outbound B2B calls?
When external video endpoints are called via a DNS zone, which dialing method requires DNS to be configured in the Expressway server?
Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?
Which connection does the traversal zone configuration define?
Which option changes the addresses and ports in voice and video signaling messages?
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 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?
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?
What is the first step to restoring an Expressway cluster from a backup?
An administrator configures a secure SIP trunk in Cisco UCM to Expressway-C. The SIP trunk fails to become active, and an examination of a packet capture finds that the TLS handshake failed with a “Certificate Unknown” error from Cisco UCM. To allow the Cisco UCM to trust the Expressway-C and establish a TLS connection, the administrator will upload the Expressway server certificate to the trust store. To which trust store must the certificate be uploaded?
Which two licenses are required for the Expressway B2B feature to work? (Choose two)
Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?
Which mode should be used when Call Policy is configured on Expressways?
Refer to the exhibit. An engineer is configuring Cisco Expressway-C to discover Cisco UCM by using an IP address and a TCP connection. After the configuration is saved, errors occur.
Which two changes must be made to resolve the errors? (Choose two.)
An engineer is configuring Cisco Expressway-E and needs to implement toll fraud prevention. Which configuration meets this requirement?
Refer to the exhibit. A Cisco UCM cluster in mixed mode is integrated with Cisco Expressway-C for Mobile and Remote Access endpoint registration. TLS verify mode is enabled and self-signed certificates with the same common name for Cisco Tomcat and Cisco Call Manager are uploaded to Expressway-C. A Cisco Jabber client fails to register using secure SIP. Which two configurations are the cause of the issue? (Choose two.)
Refer to the exhibit. A collaboration engineer is configuring Cisco Expressway for B2B calling. The engineer must allow inbound calls to be routed to Cisco UCM. The traffic must be unencrypted between the Expressway-C and the Cisco UCM cluster. Which configuration correctly implements the zone?
A)
B)
C)
D)
Which protocol and port are used for signaling between on-premises Cisco Webex Video Mesh Nodes and Cloud Media Services?
When does the Webex App Endpoint send media to the Video Mesh cluster during a meeting?
Refer to the exhibit. When a user tries to sign in to the Cisco Jabber client through Mobile and Remote Access, they receive this error message: “Cannot communicate with the server.” The external DNS server is configured with the SRV records listed in the exhibit.
What is the cause of the issue?
An engineer must fix broken SSH tunnels between Expressway-C (192.168.10.5) and Expressway-E (192.168.20.5). The engineer is advised that the packet capture shows the required packets for the SSH tunnels leaving the Expressway-C but not reaching the Expressway-E. Which firewall configuration must the engineer allow to resolve this issue?
Refer to the exhibit.
Which description of the transformation is true?
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?
A Webex engineer is configuring SSO in Control Hub with Active Directory Federation Services. The engineer wants to authenticate users for all the applications that they are given rights to. The engineer also wants to eliminate further prompts when users switch applications during a particular session. Which action tells ADFS the fields to map to Webex to identify a user?
An organization has a domain name of example.com. Which two SRV records are valid for a SIP and H 323 communication? (Choose two)
What is a benefit of Cisco Webex Messenger Cloud deployment?
Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?
What is the purpose of a transform in the Expressway server?
An engineer learns from an end user that calls from outside the company are not being received. Calls are being made to other businesses outside of the company on video using URL addresses. The change management log shows no changes in the configuration of the collaboration solutions. The engineer examines the endpoint, which seems to be registered to the Cisco UCM, and the SIP trunk between the Cisco UCM and sees that the Expressway is also up. In addition, the traversal link shows no errors between the Expressways. Which action must the engineer take to troubleshoot this issue?
Which user management method uses the Webex Directory Connector to add and synchronize users to the Control Hub organization?
Refer to the exhibit. The neighbor zone to Cisco UCM fails to come up when TLS verify mode is enabled on the Expressway-C for B2B traffic. Which Issue correctly describes the cause of the error?
Refer to the exhibit. Which SIP trunk security profile configuration on the Cisco UCM server is used for a secured SIP trunk to an Expressway server that is already integrated with the Cisco UCM for Mobile and Remote Access?
Which statement about scheduling Expressway backups is true?
A MRA deployment is being configured where one of the requirements is for registered Jabber users to pull directory photos from an internal server. What should be configured on the Expressway-C so that MRA registered clients reach this server?