300-820 practice questions 81–90

1. Question 81 · 177 in bank

   

   Refer to the exhibit. When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "[email protected]" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber. DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager. Which change resolves the DNS problem?

   • AChange cisco-uds to point to the Expressway-E FQDN.
   • BChange the collab-edge record to point to 5061.
   • CRemove the cisco-uds SRV record for the external DNS.
   • DChange the priority of the SRV record for cisco-uds.

   Show answer

   Answer: C

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2. Question 82 · 177 in bank

   An external Jabber device cannot register. While troubleshooting this issue, the engineer discovers that privately signed certificates are being used on Expressway-C and Expressway-E. What action will resolve this issue?

   • AThe private CA certificate must be placed in the phone trust store
   • BThe Jabber client must register to the Cisco UCM internally before it will register externally
   • CThe device running the Jabber client must download and trust the private CA certificate
   • DThe device running the Jabber client must use a VPN to register

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   Answer: C

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3. Question 83 · 177 in bank

   What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

   • ACreate user accounts in Cisco Webex Control Hub only.
   • BCreate user accounts in Cisco Unified Communications Manager only.
   • CCreate user accounts in Cisco Unified IM and Presence.
   • DCreate user accounts in Cisco Unified CM and Cisco Webex Control Hub.

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   Answer: D

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4. Question 84 · 177 in bank

   

   Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

   • Adown Cisco Unified Communications Manager server
   • BXMPP bind failures
   • Cincorrect login credentials
   • Dservice discovery issues

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   Answer: B

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5. Question 85 · 177 in bank

   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?

   • AThe directory photo server FQDN must be added to the Expressway-C certificate
   • BA search rule must be created to route the requests to Cisco UCM
   • CA neighbor zone must be created to the directory photo server
   • DThe directory photo server must be added to the HTTP allow list

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   Answer: D

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6. Question 86 · 177 in bank

   What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

   • ACisco Webex Administration Tool
   • BCisco UCM
   • CCisco Webex Directory Connector
   • DCisco Unified IM and Presence Server

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   Answer: A

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7. Question 87 · 177 in bank

   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?

   • ATransparent Explicit Proxy
   • BTransparent Inspecting Proxy
   • CReverse Proxy
   • DDistorting Proxy

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   Answer: B

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8. Question 88 · 177 in bank

   Why would a Cisco Jabber contact under Hybrid Messaging Integration be grayed out?

   • AThe contact uses Cisco Webex Teams and Jabber and remains as Do not Disturb for 30 minutes.
   • BThe contact was using only Cisco Webex Teams and changed the status to Away.
   • CThe contact set Out of the Office for Cisco Webex Teams.
   • DThe other user has not used Cisco Webex Teams or Jabber within the last 72 hours, so they are offline.

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   Answer: D

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9. Question 89 · 177 in bank

   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?

   • Aport 2222 from Expressway-E to Expressway-C
   • Bport 7001 from Expressway-C to Expressway-E
   • Cport 7001 from Expressway-E to Expressway-C
   • Dport 2222 from Expressway-C to Expressway-E

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   Answer: D

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10. Question 90 · 177 in bank

    

    Refer to the exhibit. Logins are failing via Mobile and Remote Access. How is this resolved?

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

    Show answer

    Answer: C

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300-820 practice, question 81. 177 questions available.