A.aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switches
B.speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environment
C.flapping Ethernet interfaces caused by misconfigured LAN interfaces
D.flapping serial interfaces caused by misconfigured WAN interfaces
E.speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment
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A.over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleaving
B.use the service-policy command to attach a traffic flow to an interface on the router
C.use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flows
D.use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class map
E.use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value
F.use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified
Refer to the exhibit. The serial link that connects the two offices has a bandwidth of 128 kbps.What could be done to set aside 64 kbps of bandwidth to transport VoIP traffic over the WAN link？（）
A.apply the clock rate 64000 command on both serial interfaces connected to the WAN link
B.apply the bandwidth 64 command on both serial interfaces connected to the WAN link
C.apply the frame-relay voice-bandwidth 64000 command to enable the QoS Call Admission Control feature on the serial link
D.apply the max-conn 64 command on a perial peer basis on both sides of the serial link
E.apply the ip bandwidth-percent eigrp 1 64 command on both sides of the serial link
F.apply the auto-cost reference-bandwidth 64 command on both sides of the serial link
A.the DiffServ model requires applications to signal the network with QoS requirements
B.the DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses
C.the DiffServ model requires RSVP
D.the best effort model is suitable for applications such as file transfer and e-mail
E.the IntServ model requires applications to signal the network with QoS requirements
F.the IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
A.centralized management for autonomous access points
B.centralized management for lightweight access points
C.centralized management that requires an external AAA server
D.centralized management with integrated AAA server
E.integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
F.integration with the Location Appliance to expand real time tracking to 2500 devices for 30 days
A.all Wi-Fi devices on the WLAN send directly received signal strength indication （RSSI） information to the Cisco Wireless Location Appliance through SNMP
B.an AP collects RSSI information which is forwarded to wireless controllers through LWAPP. Wireless controllers forward aggregated RSSI to the location appliance through SNMP
C.the APs collect received signal strength indication （RSSI） information from all Wi-Fi devices and forward the information to the Cisco Wireless Location Appliance through the LWAPP
D.the Cisco WLAN controllers bypass the received signal strength indication （RSSI） information from all Wi-Fi devices to the Cisco Wireless Location Appliance through the LWAPP
最新試題
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
Which two statements are true about Voice over IP （VoIP） packet delivery in a digital infrastructure？ （）
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
What are three Cisco Unified CallManager features？ （）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
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 three functions can an Integrated Services Router perform in a VoIP network？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）