For which two network problems would QoS be a good solution？（）

多项选择题Whichstatementistrueaboutthecomparisonofvoicetrafficwithvideotraffic？（）

A.video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
B.latency requirements are less stringent for video traffic than for voice traffic
C.video traffic is less sensitive to dropped packets than for voice traffic
D.video traffic requires the retransmission capabilities of TCP whereas voice uses UDP
E.video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
F.voice traffic requires the retransmission capabilities of TCP whereas video uses UDP

单项选择题Whichstatementistrueaboutthedigitaltoanalogconversionprocess？（）

A.the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
B.the two steps of digital to analog conversion are decoding and filtering
C.the two steps of digital to analog conversion are decompression and filtering of the analog signal
D.the two steps of digital to analog conversion are quantization and decoding

单项选择题WhatisthecorrectprocedureforaddinganaccesspointinWCS？（）

A.Choose Configure >Access_Point， then enter the AP MAC address
B.Choose Configure >Access_Point， then enter the IP address of the AP
C.Wait until the WLC downloads its code from the WCS and choose the access point from the list under the WLC option of the Configure menu
D.Wait until the AP downloads its code from the WCS and choose the access point from the list under the Access_Point option of the Configure menu

单项选择题WhichstatementiscorrectabouttheCiscoQoSSDMwizard？（）

A.the best-effort class will need to have its percentage entered in the QoS Policy Generation screen
B.SDM QoS wizard provides real-time validation of application usage of WAN bandwidth
C.the SDM wizard is not able to monitor QoS policing traffic
D.the SDM QoS wizard is pre-installed on enterprise routers

单项选择题WhichstatementbestdescribestherogueAPlocationdisplayoftheWCSwirelessmanagementserver？（）

A.Cisco WCS Base and Cisco WCS Location both indicate rogue AP location only in a Rogue AP Alarm text file
B.Cisco WCS Base and Cisco WCS Location both indicate rogue AP location in a map at the most probable location that is calculated by two or more APs
C.Cisco WCS Base identifies the general location of rogue APs based on the signal strength received by the nearest managed Cisco APs， whereas Cisco WCS Location adds high-accuracy location tracking to within a few meters of the rogue AP
D.Cisco WCS Base does not have this feature， whereas Cisco WCS Location can indicate rogue AP location in a map at the most probable location that is calculated by two or more APs
E.Cisco WCS Base does not have this feature， whereas Cisco WCS Location can indicate rogue AP location in a map beside the nearest associated AP