300-820 practice questions 61–70

1. Question 61 · 177 in bank

   

   Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?

   • AMobile 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.
   • BSIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.
   • CNo Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.
   • DAlthough a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.

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   Answer: D

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2. Question 62 · 177 in bank

   

   Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?

   • ASkype for Business mode must be disabled on the DNS server because it conflicts with Jabber login requirements.
   • BThe domain pod1.local must be deprovisioned from the Webex cloud for Jabber logins.
   • CA DNS SRV record must be created for _collab-edge._tls.pod1.local that points to the Expressway-E.
   • DThe username [email protected] is invalid. The user should instead sign-in simply as jabberuser.

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   Answer: C

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3. Question 63 · 177 in bank

   

   Refer to the exhibit. Mobile and remote access is being added to an existing B2B deployment and is failing. When the administrator looks at the alarms on the Expressway-C, the snippets are shown. Which configuration action should the administrator take to fix this issue?

   • AThe listening port on the Expressway-C for SIP TCP must be changed to a value other than 5060
   • BThe listening port on the Expressway-C for SIP TLS must be changed to a value other than 5061
   • CThe listening port on the Cisco UCM for the Expressway-C SIP trunk must be changed to something other than 5060 or 5061
   • DThe listening port on the Cisco UCM for the Expressway-C SIP trunk is set to something other than 5060 or 5061. It must be set to 5060 for insecure and 5061 for secure SIP

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   Answer: C

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4. Question 64 · 177 in bank

   

   Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C. An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing `TLS negotiation failure`. What is causing this issue?

   • AThe Expressway-E certificate includes the Expressway-C FQDN as a SAN entry
   • BThe Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate
   • CIn the UC Traversal Zone on the Expressway-C, the peer address is set to the IP of the Expressway-E, which is not a SAN entry in the Expressway-E certificate
   • DThe Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate

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   Answer: C

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5. Question 65 · 177 in bank

   Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?

   • ACisco Unified CM is always used for meeting capabilities.
   • BDepending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
   • CDepending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
   • DCisco Webex Meeting Center is always used for meeting capabilities.

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   Answer: D

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6. Question 66 · 177 in bank

   Which service is available in a cloud-based deployment using Cisco Webex Messenger?

   • APresence
   • BPhone services
   • CVoicemail
   • DCall forward services

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   Answer: A

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7. Question 67 · 177 in bank

   Which step is required when configuring Cisco Webex Hybrid Message Service?

   • ARegister Expressway-C Connector Hosts to the Cisco Webex Cloud.
   • BRegister Expressway-C to Cisco Unified Communications Manager.
   • CAdd Expressway-C and Cisco United CM to the Cisco Webex Cloud.
   • DAdd Cisco Unity Connection to Expressway-E.

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   Answer: A

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8. Question 68 · 177 in bank

   Which statement about the Cisco Webex hybrid service is true?

   • AExpressway Connector is required for an on-premises Exchange server.
   • BHybrid Message service works only with Jabber cloud deployment.
   • CDirectory Connector is required for Azure AD.
   • DDirectory Connector must be deployed for OBTP to work with on-premises video devices.

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   Answer: A

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9. Question 69 · 177 in bank

   Select 2

   Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

   • AWhen Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.
   • BCloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.
   • CThe cascading traffic between VMN must bypass the firewall.
   • DWhen Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.
   • EA VMN can terminate a media connection while operating in maintenance mode.

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   Answer: BD

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10. Question 70 · 177 in bank

    A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network. Which statement is true?

    • AWebex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
    • BInstalling a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
    • CInstalling 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.
    • DUsing 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.

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    Answer: C

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300-820 practice, question 61. 177 questions available.