| 1. | From the following list, identify three gateway control protocols. H.323 SIP RTP MGCP
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| 2. | What H.323 component is responsible for performing a "capabilities exchange" between H.323 terminals? H.225 T.120 H.245 G.711
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| 3. | Which H.323 devices prevent bandwidth oversubscription on the WAN? Terminals Gateways Gatekeepers MCUs
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| 4. | What message does an H.323 gateway send to an H.323 gatekeeper to request admission to the WAN? ARQ ACF ARC LRQ
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| 5. | Logical pieces of an MGCP network are called ________. MGCP terminals MGCP components MGCP gateways MGCP concepts
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| 6. | Which of the following is considered an MGCP component? Call Call agent Event Signal
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| 7. | In a Cisco IP telephony network, what acts as an MGCP call agent? Cisco CallManager Cisco Unity Cisco voice-enabled router Cisco voice-enabled switch
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| 8. | Which SIP component initiates a SIP connection by sending an INVITE message? UAS UAC SIP proxy server SIP redirect server
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| 9. | Identify the SIP server that informs the UA of the next server to contact. SIP proxy server SIP redirect server SIP location server SIP registrar server
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| 10. | What are the two types of SIP messages? Event Request Signal Response
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