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

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

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What can cause a MAC address mismatch when an endpoint fails to register to Cisco Unified CM?

• A.DNS server is not available
• B.Endpoint is unplugged
• C.MAC address is entered incorrectly
• D.Gateway address is missing

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Which two devices can provide a Cisco IP phone the network connection and power necessary for the phone to function in the IP telephony network? (Choose two )

• A.Cisco Voice Gateway PoE port
• B.IP phone power adapter with Ethernet port
• C.Cisco TelePresence codec
• D.Cisco Catalyst PoE switch
• E.Cisco Unified Communications Manager PoE port

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How can Quality of Service be described?

• A.Relay is the finite amount of time that it takes a packet to reach the receiving endpoint after being transmitted from the sending endpoint
• B.Speed is the maximum amount of Information in bits per second that can be transmitted across a network
• C.Packet loss is a relative measure of the number of packets that were not received compared to the total number of packets transmitted
• D.Latency is the difference in the end-to-end delay between packets

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