300-820 practice questions 171–177

1. Question 171 · 177 in bank

   Users in the Cisco Webex collaboration environment want to be able to use @webex when scheduling a Webex meeting from their Outlook client connected to Office365. Which configuration meets this requirement?

   • AAdd an O365 tenant in the admin pages of Webex as a Microsoft 385 Global administrator.
   • BAdd the Webex domain in the calendar integration services in the admin interface for Microsoft Exchange Online.
   • CEnable user onboarding for each user in the Webex admin interface. Each user will then authorize Webex to read only their calendar in a secure manner.
   • DAdd an O365 tenant in the admin pages of Webex as a Webex site administrator.

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   Answer: B

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2. Question 172 · 177 in bank

   Which set of actions configures ACME certificates on Expressways?

   • AConfigure ACME Certificate settings on your Expressway-E, and change the ACME automated scheduler field to ON.
   • BConfigure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to OFF.
   • CConfigure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to ON.
   • DConfigure ACME Certificate settings on your Expressway-E, disable the Expressway cluster, and change the ACME automated scheduler field to OFF.

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   Answer: A

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3. Question 173 · 177 in bank

   

   Refer to the exhibit. An administrator set up a B2B interop with a business partner running a Microsoft Lync environment and can successfully make outbound video calls to [email protected]. Inbound calls to [email protected], however, are failing. A quick SRV search returns the records in the exhibit. Which record must be modified to resolve this challenge?

   • A_h323ls._udp.ciscovoice.com
   • B_sipfederationtcp._tcp.ciscovoice.com
   • C_sips._tcp.ciscovoice.com
   • D_collab-edge._tls.ciscovoice.com

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   Answer: B

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4. Question 174 · 177 in bank

   Employees at company A must call employees at company B in an extension range of [email protected]. 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?

   • Asearch rule with a regex pattern of [4]\d{3}@companyB\.com that targets the DNS zone
   • Bsearch rule with a suffix pattern of *[email protected] that targets the neighbor zone
   • Ccall policy rule from the DNS zone to allow a destination pattern of 4[1-9]@companyB.com
   • Dcall policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com

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   Answer: B

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5. Question 175 · 177 in bank

   Which statement correctly describes links and pipes in Cisco Expressway?

   • AThe lower bandwidth restriction is applied to calls over a link that is associated to two pipes.
   • BA call between two endpoints in the same subzone or zone fails if there is no link between the endpoints.
   • CA maximum of one pipe can be applied to a link.
   • DA call between two endpoints in the same subzone or zone fails if there is no pipe between the endpoints.

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   Answer: A

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6. Question 176 · 177 in bank

   Select 2

   

   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 by using secure SIP. Which two configurations are the cause of the issue? (Choose two.)

   • AThe Tomcat certificate has the incorrect FQDN for the Cisco UCM server.
   • BThe incorrect secure device profile was applied to the Jabber client.
   • CThe Jabber client cannot connect to its associated phone device by using Cisco Computer Telephony Integration.
   • DThe Expressway-C does not allow two self-signed certificates with the same CN to be trusted.
   • EThe Call Manager certificate is causing a conflict.

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   Answer: DE

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7. Question 177 · 177 in bank

   What is a capability of Interactive Connectivity Establishment passthrough in Cisco Expressway?

   • AIt enables media path optimization between endpoints by leveraging a TURN relay.
   • BIt allows direct SIP communication between Mobile and Remote Access registered endpoints without passing through Expressway.
   • CIt enables the integration of Cisco UCM call services and Cisco Webex Cloud.
   • DIt allows media between Mobile and Remote Access registered endpoints through Expressway.

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   Answer: D

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300-820 practice, question 171. 177 questions available.