A.Business-critical traffic includes VoIP and voice signaling packets.
B.SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.
C.SDM can provide QoS for real-time traffic and business-critical traffic.
D.SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.
E.SDM creates a low latency queuing （LLQ） service policy with its associated classes.
F.When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.
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A. Lower-priority traffic is assigned short interframe wait-timers to allow higher-priority traffic access to the wireless network first.
B. Packets that are not assigned to a specific access category are categorized by default as the background access category.
C. The WMM standard was implemented after the 802.11e standard was approved to provide support for non 802.11e devices.
D. WMM is a Wi-Fi Alliance standard that was implemented before the 802.11e standard was approved.
E. WMM uses Enhanced DCF （EDCF） to stipulate fixed and random wait times for the different access classes.
A. Traffic to be policed is identified using the control-plane global configuration command.
B. The control-plane global configuration command enters the Cisco Modular QoS CLI （MQC） mode.
C. The control-plane global configuration command enters the control-plane configuration mode.
D. Traffic to be policed is identified using the control-plane interface configuration command.
E. The control-plane interface configuration command enters the Cisco Modular QoS CLI （MQC） mode.
F. The control-plane interface configuration command enters the control-plane configuration mode.
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. 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. Channel-associated signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
B. Channel-associated signaling utilizes a separate TDM channel for transmitting control signals.
C. Common channel signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
D. Common channel signaling uses one of the TDM channels to transmit control information reducing the number of channels available for voice.
E. ISDN BRIs implement channel-associated signaling.
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. Voice traffic will be assigned 47% of the interface bandwidth.
B. Voice call signaling will be assigned 33% of the interface bandwidth.
C. Telnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.
D. Best-effort traffic will be assigned 38% of the interface bandwidth.
E. Routing protocol traffic will be assigned 5% of the interface bandwidth.
F. Transactional traffic will be assigned 5% of the interface bandwidth.
A. platinum， gold， silver， and bronze
B. voice， gold， silver， and bronze
C. low delay， network critical， business， best effort
D. voice， video， background gold， background silver， and best effort
E. voice， video， best effort， and background
F. voice， video， best effort， background， and scavenger
A. 1 meter
B. 5 meters
C. 10 meters
D. 25 meters
E. 33 meters
A. FIFO queuing， which provides a means to hold packets while they are waiting to exit an interface
B. Priority queuing， which ensures a fixed amount of bandwidth
C. Custom queuing （CQ）， which provides a queuing tool that services all queues， even during times of congestion
D. Bandwidth queuing， which ensures a minimum amount of bandwidth
E. Weighted fair queuing （WFQ）， which classifies packets based on flows
最新試題
What are the three models of quality of service （QoS） in a network？（）
Which two QoS classification and marking statements are true？ （）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
What are two reasons to implement H·323 gatekeepers？（）
Which three user interfaces exist for the Cisco WLAN Controllers？（）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）
Which Control Plane Policing （CoPP） statement is true？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）