A. packetization
B. quantization
C. decoding
D. sampling
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A. to eliminate the need for VoIP gateways
B. to scale a VoIP installation with multiple gateways
C. to provide call admission control and limit the number of simultaneous calls on the network
D. to meet the requirement to control H·323 gateways on a LAN
E. to accept call requests and reduce the load on the gateway
A. codec
B. link speed
C. Layer 2 encapsulation
D. packet overhead （IP/UDP/RTP）
E. link delay
F. total number of simultaneous calls that are allowed
A. Use WFQ， CBWFQ， and LLQ to prioritize delay-sensitive packets.
B. Use WFQ， CBWFQ， and LLQ to compress the payload.
C. Give TCP packets priority over UDP packets.
D. Use control plane policing for cRTP queuing.
E. Use stacker and predictor to compress the payload.
A. programming interface to external applications
B. FXS and FXO port negotiation
C. AutoQos VoIP trust boundaries
D. signaling and device control
E. LLQ for voice and video traffic
F. directory and XML services
A. link efficiency
B. admission control
C. classification and marking
D. shaping and policing
E. congestion avoidance using the RTP protocol
F. resource reservation using the RSVP protocol
最新試題
Which two characteristics are common between traffic policing and traffic shaping？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
What are three Cisco Unified CallManager features？ （）
Which option correctly identifies the four main menus of a Cisco Wireless Control System （WCS）？ （）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
Within the WMM policy， how many default QoS radio access categories are there？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）