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
您可能感興趣的試卷
你可能感興趣的試題
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.
A. In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.
B. In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.
C. In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.
D. The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.
E. The 802.1Q standard uses a three bit field referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
A. packetization
B. quantization
C. decoding
D. sampling
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
A. H·323
B. UDP
C. RTP
D. TCP
E. Media Gateway Control Protocol （MGCP）
F. session initiation protocol （SIP）
A. Gatekeeper multizone
B. Call Admission Control （CAC）
C. Automatic Alternate Routing （AAR）
D. Survivable Remote Site Telephony （SRST）
E. Cisco Unified CallManager Express （CME）
最新試題
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
The Cisco SDM will create a QoS policy that provides services to two types of traffic. Which two statements indicate the default QoS parameters that are created by SDM？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
Which two characteristics are common between traffic policing and traffic shaping？（）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
What are the three models of quality of service （QoS） in a network？（）
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
Which three benefits are realized by implementing Wireless LAN Solution Engine （WLSE）？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）