Cisco provides a factory reset option on every IP phone model 'or phone recovery and troubleshooting. Which key on the phone should be pressed and held when plugging in the phone power to start the 7800 or 8800 series IP phone reset process?

• A.# key
• B.Programmable feature button
• C.Settings button
• D.* key

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How do digital voice networks function?

• A.Digital voice networks convert the sound waves into electrical signals that are analogous to the original sound waves
• B.The analog signal from the telephone is digitized into PCM signals by the voice codec
• C.Both a digital signal and noise are boosted by amplifiers
• D.The voice gateway can perform only a compression function

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Which protocol is designed to time-synchronize a network of machines?

• A.Network Time Protocol (NTP)
• B.Cisco Discovery Protocol
• C.Domain Name System (DNS)
• D.Dynamic Host Configuration Protocol (DHCP)

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Which feature can be turned on from the Touch 10 controller to check the camera s Pan Till Zoom, maximized, and minimized views m order to verify that the Cisco TelePresence MX800 Dual System camera movement operates correctly?

• A.Remoteview
• B.CameraControl
• C.Selfview
• D.CameraPreset

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From which network service does a Cisco IP phone request the configuration file during the bootup process?

• A.Cisco Unified Communications Manager
• B.DHCP server
• C.Cisco Catalyst switch
• D.Phone's local default configuration in the flash memory is used
• E.TFTP server

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