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14 Cards in this Set
- Front
- Back
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-What is one cause of jitter when voice packets are transmitted over an IP network?
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Congestion leading to instantaneous buffer utilization
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-What can be used to ensure proper delivery of voice packets over and IP networks?
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QoS parameters
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-According to ITU G.114, what is the maximum delay that VoIP can tolerate before the voice quality starts to degrade?
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150 ms
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-Which component in IP telephony network can compensate for small amounts of packet loss?
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The Codec
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-Provides preferential treatment for priority traffic?
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Congestion Avoidance
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-Hold packets so that they can be handled with a specific priority leaving the router interface?
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Queuing
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-Define the maximum size of a data packet?
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Fragmentation
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-Enables the network to provide differentiated levels of service to specific flows of data?
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RSVP
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-Saves bandwidth by compressing the header?
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Header compression
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-Which technique is used to prevent excessive serialization delay?
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Fragmentation
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-Which protocol automatically reorders packets?
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RTP
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-What is the function of RTCP in ensuring consistent delivery of voice packets in an IP network?
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Sends occasional report packets for delivery monitoring
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-Which Cisco technology can be used to provide proactive network management?
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CiscoWorks2000
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-What do traditional telephony networks typically use to provide redundancy?
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Multiple connections between switches
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