A. 8
B. 5
C. 4
D. 3
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A. Resource Reservation Protocol （RSVP）
B. first-in， first-out （FIFO）
C. best-effort
D. CBWFQ
E. IntServ
F. DiffServ
A. Packets can arrive out of order.
B. Packets must take the same path to the destination.
C. Once packets are received at the destination router， the router performs sampling to ensure the quality of the voice traffic.
D. Packets can experience varying delays across the network.
E. Packets containing voice samples are sequentially numbered by default， allowing for reordering upon arrival at the terminal router along the path.
A. Compress payload.
B. Use header compression.
C. Increase link capacity.
D. Use random early detection.
E. Guarantee bandwidth to fragile flows.
F. Implement network-based application recognition.
A. connects traditional telephony devices to voice over IP infrastructure
B. converts analog signals to digital format
C. performs voice compression
D. performs call processing
E. performs dial plan administration
F. performs signaling and device control
A. The rate of traffic is measured and compared to a configured policy.
B. Classification is used to differentiate traffic.
C. Traffic is marked and sent out according to priority.
D. Both can be applied to inbound and outbound traffic.
E. Both buffer traffic to ensure a predetermined traffic rate.
F. Both drop traffic that is above a predetermined traffic rate.
最新試題
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
What are the three models of quality of service （QoS） in a network？（）
What are two reasons to implement H·323 gatekeepers？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
What is the term that is used to describe the process of converting a signal from digital to analog？（）