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 set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
Which two statements are true about Voice over IP （VoIP） packet delivery in a digital infrastructure？ （）
What are two reasons to implement H·323 gatekeepers？（）
In a VoIP network， which type of interface would an analog fax machine connect to？（）
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
What are three Cisco Unified CallManager features？ （）
Which option correctly identifies the four main menus of a Cisco Wireless Control System （WCS）？ （）
In the design of a QoS solution， which two factors should be taken into consideration？（）
What are the three models of quality of service （QoS） in a network？（）