单项选择题

Whichcertification－basedprotocolisimplementedforwireles……

Whichcertification－basedprotocolisimplementedforwirelessQoSbetweenanAPandawirelessclientoverRFmedia？（）

A.WMMusingDCF
B.WMMusingEDCAF
C.802.1eusingDCF
D.802.1eusingEDCAF

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热门试题

单项选择题Inabrute－forceattack，whatpercentageofthekeyspacemustanattackergenerallysearchthroughuntilheorshefindsthekeythatdecryptsthedata？（）

A.Roughly50percent
B.Roughly66percent
C.com
D.Roughly75percent
E.Roughly10percent

单项选择题Anadministratorissuesthecommandping127.0.0.1fromthecommandlinepromptonaPC.Ifareplyisreceived,whatdoesthisconfirm?（）

A.ThePChasconnectivitywithalocalhost.
B.ThePChasconnectivitywithaLayer3device.
C.ThePChasadefaultgatewaycorrectlyconfigured.
D.ThePChasconnectivityuptoLayer5oftheOSImodel.
E.ThePChastheTCP/IPprotocolstackcorrectlyinstalled.

判断题一个有向图的邻接矩阵中各非零元素之和与图中边的条数相等。

单项选择题RefertoCiscoIOSZone－BasedPolicyFirewall，wherewilltheinspectionpolicybeapplied？（）

A.tothezone-pair
B.tothezone
C.totheinterface
D.totheglobalservicepolicy

单项选择题Whichexampleisofafunctionintendedforcryptographichashing？（）

A.MD65
B.SHA-135
C.XR12
D.MD5