Free Cisco 100-890 Exam Dumps Questions & Answers

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

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

What are two standard fiber-optic connectors? (Choose two.)

• A.  crossover
• B.  rollover
• C.  subscriber
• D.  multidimension
• E.  Lucent

How do digital voice networks function?

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

Which VoIP network component provides Call Admission Control (CAC), bandwidth control and management, and address translation?

• A.  Multipoint Control Unit
• B.  Gateway
• C.  Gatekeeper
• D.  IP Phone

Which CLI command gels more information about a microphone?

• A.  xconfig audio microphones
• B.  xstatus audio microphones
• C.  xcommand microphones?
• D.  xiconfig /audio-m