300-820 Practice Questions
236 real 300-820 exam questions with expert-verified answers and explanations. Page 4 of 5.
- Question #151Mobile and Remote Access
An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expre...
DNS SRVMobile and Remote AccessExpressway-EExternal Client Discovery - Question #152Cisco Webex Core Components
Within which cache timeline do the Webex App endpoints perform a STUN test to calculate round-trip delay time to available media node clusters?
Webex AppSTUN testingMedia path optimizationRTT calculation - Question #153Cisco Expressway for Collaboration
A company has an on-premises Cisco collaboration cluster that contains Cisco UCM, IM and Presence, and Cisco Webex in the cloud. The company wants to integrate the on-premises infr...
Cisco ExpresswayHybrid ServicesWebex IntegrationIM and Presence - Question #154Cisco Webex Technologies
Which action is required when using Cisco Jabber for Cloud with Cisco Webex Messenger?
Cisco JabberWebex MessengerCloud CollaborationIntegration Policies - Question #155Cisco Webex Technologies
During the deployment of a Cisco Webex Video Mesh, where do on-premises SIP endpoints send signaling?
Webex Video MeshSIP SignalingOn-premises EndpointsCall Control - Question #156Cisco Webex Core Components
A company is implementing Cisco Webex but has existing legacy Cisco video endpoint registered on-premises. The administrator of Webex wants the SIP address of these rooms to appear...
Webex Directory ConnectorRoom Resource ManagementDirectory SynchronizationWebex Hybrid Services - Question #157Mobile and Remote Access
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...
Mobile and Remote AccessDNSJabberExpressway - Question #158Initial Expressway Configurations
What are the steps to access the Service Setup Wizard during the first setup of the Expressway server to license the server?
Expressway SetupService Setup WizardLicensingGUI Navigation - Question #159Cisco Webex Core Components
What is the last step for domain management in Cisco Webex Control Hub if an engineer adds users already signed in with the company domain?
Webex Control HubDomain managementUser provisioningCisco Webex - Question #160Cisco Webex Core Components
Which user management method uses the Webex Directory Connector to add and synchronize users to the Control Hub organization?
Webex Directory ConnectorUser SynchronizationControl HubActive Directory - Question #161Cisco Expressway for Collaboration
An engineer attempts to upload a server certificate to an Expressway-C server but receives an error when they click the upload button that says that the file is invalid. The engine...
Expressway CertificatesCertificate TemplatesExtended Key UsageTroubleshooting - Question #162Cisco Webex Core Components
A Webex administrator is configuring the Webex Control Hub to enable enterprise users to sign into Webex securely by authenticating to the IdP of the organization. To conform to th...
SAML SSOWebex Control HubIdentity ProviderNameID format - Question #163Cisco Expressway for Collaboration
What is the default DSCP value for video traffic that is routed through an Expressway server?
DSCPQoSVideo TrafficCisco Expressway - Question #164Cisco Webex Core Components
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...
Webex Directory ConnectorActive Directory SynchronizationAttribute MappingUser Provisioning - Question #165Cisco Expressway for Collaboration
What is the result if force encryption for media is enabled in the Expressway on a zone that points to a system/endpoint that is not configured for encryption?
Expressway Media EncryptionExpressway ZonesCall ProcessingSecurity Policies - Question #166Cisco Webex Technologies
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...
SSOADFSClaim MappingWebex Control Hub - Question #167Cisco Webex Core Components
What is the name of the Webex core service that delivers group messaging, one-to-one messaging, presence, and file sharing?
Webex MessagingCore ServicesCollaboration FeaturesCisco Webex - Question #168Mobile and Remote Access
An Expressway pairs deployed for Mobile and Remote Access. An administrator installs a new server certificate on the Expressway-E. After installing the new certificate, the UC Trav...
Expressway CertificatesMobile and Remote Access (MRA)Subject Alternate Name (SAN)Jabber MRA Login - Question #169Cisco Webex Core Components
An administrator made changes to a directory connector for Webex AD synchronization. The number of users synchronized is quite large and the change should affect only a limited num...
Webex Directory ConnectorAD SynchronizationDry RunUser Management - Question #170Cisco Expressway for Collaboration
Which two protocols are supported on Expressway Zones? (Choose two.)
Expressway ZonesCollaboration protocolsSIPH.323 - Question #171Cisco Expressway for Collaboration
Which two scenarios need a proper DNS configuration on Expressway servers? (Choose two.)
DNS ConfigurationExpresswaySIP URI RoutingNeighbor Zones - Question #172Mobile and Remote Access
An engineer is configuring the Expressway cluster to allow Jabber clients that are outside the enterprise network to register, make calls, and send instant messages using the inter...
ExpresswayMobile and Remote Access (MRA)Traversal ZoneCertificate Trust - Question #173Cisco Webex Technologies
A collaboration engineer is configuring Cisco Webex Edge for video conferencing devices to provide support for Cisco Webex Control Hub configuration management. Which configuration...
Webex EdgeControl Hub device managementUCM configuration modeVideo conferencing integration - Question #174Mobile and Remote Access
Which technique can be used to have media flow directly between two endpoints that have a NAT between them?
NAT TraversalSTUNMedia Flow - Question #175Cisco Expressway for Collaboration
Refer to the exhibit. An engineer must configure a B2B traversal zone. Trusted certification authority and server certificates are uploaded to Cisco Expressway-C and Expressway-E s...
Expressway Traversal ZonesTLS Certificate VerificationFQDN ConfigurationNetwork Troubleshooting - Question #176Cisco Expressway for Collaboration
In which mode does the Cisco Expressway act as a SIP-H.323 gateway only if one or more of the endpoints are locally registered?
Cisco ExpresswaySIP-H.323 gatewayGateway modeEndpoint registration - Question #177Mobile and Remote Access
Refer to the exhibit. When users sign in to Cisco Jabber through Mobile and Remote Access, they cannot see their own photo or the photo of their contacts next to each name. Which a...
Mobile and Remote Access (MRA)Cisco Expressway-CHTTP Allow ListCisco Jabber - Question #178Cisco Webex Core Components
When does the Webex App Endpoint send media to the Video Mesh cluster during a meeting?
Webex AppVideo MeshMedia RoutingLatency Optimization - Question #179Mobile and Remote Access
In a larger Cisco Collaboration deployment, a user requires the advanced file transfer function in Cisco Jabber while the client is using Mobile and Remote Access. The deployment h...
Mobile and Remote AccessExpressway ConfigurationJabber File TransferHTTP Allow List - Question #180Mobile and Remote Access
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...
SIP Trunk Security ProfileCisco UCMExpresswayMRAEncryption - Question #181Cisco Expressway for Collaboration
An engineer is configuring Cisco Expressway-E and needs to implement toll fraud prevention. Which configuration meets this requirement?
Cisco Expressway-EToll Fraud PreventionCall PolicyCollaboration Security - Question #182Cisco Expressway for Collaboration
What is the default file extension for saving Cisco Expressway-C backups when using the Google Chrome browser?
Cisco Expressway-CBackupFile ExtensionAdministration - Question #183Initial Expressway Configurations
In Cisco Expressway, which information from an incoming search request does the pre-search transform configuration allow to be modified?
Cisco ExpresswayPre-search transformCalled addressSIP/H.323 routing - Question #184Initial Expressway Configurations
Refer to the exhibit. A manager asks an engineer to create a CSV file for the HTTP allow list on the Expressway deployment. The engineer wrote the script shown and uploaded it to t...
Expressway ConfigurationHTTP Allow ListCSV SyntaxConfiguration Troubleshooting - Question #185Initial Expressway Configurations
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 occu...
Expressway-C ConfigurationUCM IntegrationCall Control DiscoveryTLS Troubleshooting - Question #186Mobile and Remote Access
Refer to the exhibit. The web server is set up to store contact photos and the Cisco Jabber- config.xml file is updated for all clients. After these changes, Jabber for Windows use...
MRA TroubleshootingJabber Contact PhotosExpressway-C ConfigurationHTTP Allow List - Question #187Mobile and Remote Access
After Mobile and Remote Access is deployed with automatic service discovery, end users encounter the error "Cannot communicate with the server" when they attempt to log in to Cisco...
JabberDNS SRV recordsService DiscoveryTroubleshooting - Question #188Cisco Expressway for Collaboration
Refer to the exhibit. After hardening the Cisco Expressway, an engineer noticed this error in the logs HTTP error 429 "Too Many Requests," and users report that authentication is n...
Cisco ExpresswayTroubleshootingAuthenticationSecurity Hardening - Question #189Cisco Unified Communications Manager with Webex Calling
Which option mandates that calls fall back to unencrypted media if encryption cannot be established?
Call EncryptionMedia Security PoliciesSRTP FallbackCisco UCM Configuration - Question #190Initial Expressway Configurations
Refer to the exhibit. A company has a Cisco collaboration infrastructure that contains Cisco UCM and Cisco Expressway-C and Expressway-E for Mobile and Remote Access. When the engi...
SIP Trunk Security ProfileCisco ExpresswayCisco UCMSIP Transport - Question #191Cisco Webex Core Components
In a Webex Video Mesh deployment, where do Cloud-registered Webex Teams clients and devices send signaling traffic for call setup?
Webex Video MeshWebex Cloud SignalingCall SetupCloud-registered clients - Question #192Cisco Webex Core Components
Where can the administrator manage a Webex tenant?
Webex administrationControl HubTenant managementCisco Webex - Question #193Cisco Expressway for Collaboration
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...
Cisco ExpresswayZone configurationB2B callingSIP signaling - Question #194Mobile and Remote Access
A new set of Expressway-C and Expressway-E is deployed and was configured for Mobile and Remote Access with basic settings. How must the engineer edit the inbound allow list rule?
Expressway configurationMobile and Remote Access (MRA)HTTP allow listGUI navigation - Question #195Cisco Expressway for Collaboration
A network engineer is configuring Mobile and Remote Access for the environment and must add the Certificate Authority into the Expressways. How does the engineer perform this actio...
Expressway CertificatesTrusted CAGUI NavigationMRA Configuration - Question #196Cisco Unified Communications Manager with Webex Calling
What is the purpose of Webex Cloud-Connected UC?
Webex Cloud-Connected UCHybrid CollaborationCloud AnalyticsTroubleshooting - Question #197Mobile and Remote Access
Refer to the exhibit. A collaboration engineer creates an allow list test file for a Mobile and Remote Access deployment. Which lines are needed to format the test in the file corr...
Mobile and Remote AccessExpresswayAllow List TestingConfiguration Syntax - Question #198Cisco Expressway for Collaboration
An engineer must review a new traversal zone that is not establishing a successful connection between Expressway-C and Expressway-E. When the event log page on the Expressway-E is...
ExpresswayTraversal ZoneAuthenticationTroubleshooting - Question #199Cisco Expressway for Collaboration
H.323 endpoints can be configured in what two ways for registration with the Cisco Expressway?
H.323 registrationExpresswayEndpoint configurationCollaboration endpoints - Question #200Cisco Expressway for Collaboration
The _____ is a logical group within the Local Zone that all endpoints register to by default.
Expressway ArchitectureZones and SubzonesEndpoint Registration