多项选择题

Which three are characteristics of voice traffic in the Company VOIP campus network？（）

A.TCP retransmits
B.UDP priority
C.Bursty
D.Delay sensitive
E.Greedy
F.Drop sensitive

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多项选择题

Refer to the exhibit.
What are three of the basic components of a VoIP network？（）

A.software voice applications
B.multipoint control unit （MCU）
C.gatekeeper
D.call agent
E.interactive voice response （IVR） systems
F.softphones

多项选择题

Which three QoS mechanisms can be configured to improve VoIP quality on a converged network？（）

A.The use of a queuing method that will give VoIP traffic strict priority over other traffic
B.The use of RTP header compression for the VoIP traffic.
C.The proper classification and marking of the traffic as close to the source as possible
D.The use of 802.1QinQ trunking for VoIP traffic
E.The use of WRED for the VoIP traffic

单项选择题

You need to troubleshoot some problems in the Company VOIP network associated with jitter.
What is the cause of jitter？（）

A. Packet drops
B. Transmitting too many small packets
C. Variable queue delays
D. Compression
E. None of the other alternatives apply