Which two options are requirements to use OAuth access tokens with Cisco Spark? (Choose two.)

• A.Services can request the access token only when the authenticated user grants permissions to this service.
• B.Applications must register to Cisco Spark as a server to request access tokens.
• C.Applications can only request the access token when the authenticated user grants permissions to this service
• D.Servers must register to Cisco Spark as an application to request access tokens.
• E.Tokens must request access to servers before applications register to Cisco Spark.

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Which two ports are used for SIP communications between an endpoint and the SIP server? (Choose two.)

• A.5061 (TLS)
• B.1721 (TLS)
• C.5060 (TCP)
• D.1719 (TCP)
• E.1720 (TCP)

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Which primary purpose of the traversal subzone is true?

• A.to encrypt traversal calls to neighbored Expressways
• B.to apply bandwidth restrictions on traversal calls
• C.to enable firewall traversal between public and private endpoints
• D.to provide for mobile remote access for endpoints outside the network

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Which two elements of authentication credentials are stored in the local database of the Expressway?
(Choose two.)

• A.crypto hash key
• B.CA authority
• C.user authority
• D.username
• E.password

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Which application is integrated with the CMR solutions to provide for conference scheduling?

• A.Cisco Telepresence Server
• B.Cisco Conductor
• C.Cisco TMS
• D.Cisco Prime Collaboration

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