WhataretwodesignconsiderationsforaWLANtosupportvoice?（）……

多项选择题WhichthreecallinformationitemsdoesAirMagnetVoFiAnalyzerprovide?（）

A.the codec used by the calling phone
B.approximate length of the call in minutes
C.MOS values throughout the duration of the call
D.802.11e access category overruns
E.co-channel interference percentage during the call

单项选择题WhichstatementcorrectlydescribesawirelessclientLayer2roamfromAP1toAP2whilejoinedtoa multicaststreamusingCiscoWLCrunningv5.2?（）

A.Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from  Cisco WLC after AP1 issues an IGMP query.
B.Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from  Cisco WLC independent of AP1 multicast member status.
C.Client resumes multicast after association with AP2,  because multicast information is sent in mobility  exchanges and AP2 is already a member of the multicast group,  provided that another client has  already joined that multicast.
D.Client resumes multicast after association with AP2,  because multicast information is sent in mobility  exchanges and AP2 is already a member of the multicast group,  regardless if any other clients have  already joined that multicast.

单项选择题IftheVoWLANclientisaVocerabadge,whichCiscoWLCparameterneedstobechangedfromthe defaultvalue?（）

A.DTIM
B.Ethernet multicast mode
C.peer-to-peer block mode
D.RF group mode
E.DTPC

单项选择题WhichauthenticationprotocoldoesH-REAPAPlocalauthenticationsupportinversion5.2?（）

A.EAP-TLS
B.EAP-PEAP
C.EAP-LEAP
D.EAP-TTLS

多项选择题WhichtworangedescriptionscorrectlydescribeIPaddressingtousewhenenablingmulticastsupport usingtheCiscoUnifiedWirelessSolution?（）

A.globally scoped address range
B.239.0.0.X or 239.128.0.X address range
C.administratively scoped address range that does not overlap with a link-local MAC address
D.any Class D address range
E.site-local scoped address range