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.
您可能感興趣的試卷
你可能感興趣的試題
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
最新試題
In a VoIP network， which type of interface would an analog fax machine connect to？（）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
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？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
What are two reasons to implement H·323 gatekeepers？（）
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
Which three functions are associated with a Cisco Unified CallManager？ （）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）