A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?
M=audio 498181 RTP/AVP 0 8 97

• A.G.711ulaw
• B.iLBC
• C.G.711alaw
• D.G.722

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Which statement describes the outcome when the trust boundary is defined at the Cisco IP phone?

• A.Packets or Ethernet frames are not remarked by the IP phone.
• B.Packets or Ethernet frames are remarked at the distribution layer switch.
• C.Packets of Ethernet frames are remarked at the access layer switch.
• D.Packets of Ethernet frames are not remarked at the access layer switch.

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A high-speed network is often configured with a five-class QoS model. Which classes are used in the model?

• A.real-time, signaling, critical data, best-effort and drop-class
• B.real-time, call-signaling, critical data, best-effort, and scavenger
• C.voice, video, signaling, critical data, and best-effort
• D.call-signaling, real-time, critical data, best-effort, and drop-class

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What are two features of Cisco Expressway that the customer gets if Expressway-C and Expressway-E are deployed? (Choose two.)

• A.highly secure firewall-traversal technology to extend organizational reach
• B.complete endpoint registration and monitoring capabilities for devices that are local and remote
• C.session-based access to comprehensive collaboration for remote workers, without the need for a separate VPN client
• D.additional visibility of the edge traffic in an organization
• E.utilization and adoption metrics of all remotely connected devices

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Which type of input is required when configuring a third-party SIP phone?

• A.serial number350-801 2023-4
• B.digest user
• C.authorization code
• D.manufacturer

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