单项选择题

YouhaveconfiguredaccessibilityoptionsforTom.Everythingworksfine.WhenTomleavesforlunchandreturnsanhourlater，hefindsthatnoneoftheaccessibilityoptionsworkanymore.Whatcanbedonetorestorethefunctionalityofhisaccessibilityoptions？（）
A.TurnonFilterKeys,thiswillallowaccessibilityoptionstobeturnedonatwill.
B.Inaccessibilityoptionsonthegeneraltab,enable"turnoffaccessibilityfeaturesafteridlefor xxminutes".
C.FromtheKeyboardtaboftheaccessibilityoptionapplet,checktheStickyKeyscheckbox,this willsaveallaccessibilityoptionswhenyouexitthecontrolpanelapplet.
D.Inaccessibilityoptionsonthegeneraltab,disable"turnoffaccessibilityfeaturesafteridlefor xxminutes".

A.Everythingworksfine.WhenTomleavesforlunchandreturnsanhourlater，hefindsthatnoneoftheaccessibilityoptionsworkanymore.Whatcanbedonetorestorethefunctionalityofhisaccessibilityoptions？（）
A.TurnonFilterKeys,thiswillallowaccessibilityoptionstobeturnedonatwill.
B.Inaccessibilityoptionsonthegeneraltab,enable"turnoffaccessibilityfeaturesafteridlefor
C.
D.FromtheKeyboardtaboftheaccessibilityoptionapplet,checktheStickyKeyscheckbox,this
E.
F.Inaccessibilityoptionsonthegeneraltab,disable"turnoffaccessibilityfeaturesafteridlefor

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YouhaveaserverthatrunsWindowsServer2003ServicePack2(SP2).TheserverhastheRoutingandRemoteAccessserviceenabledandisconfiguredasanetworkaddresstranslation(NAT)router.YouneedtoviewalistofthecurrentsessionsontheRoutingandRemoteAccessserverandtheprivateandpublicIPaddressesandportsthatarebeingused.Whatshouldyoudo?（）
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WhenyouuseMicrosoftWindowsMediaPlayertobeginplaybackofamusicfile，youreceivethefollowingerrormessage："Youdonothavetherightstoplaythisfile."YouneedtoconfigureWindowsMediaPlayertoensureplaybackofprotecteddigitalmedia.Whatshouldyoudo？（）
A.DisabletheSetclockondevicesautomaticallyoption.
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A."YouneedtoconfigureWindowsMediaPlayertoensureplaybackofprotecteddigitalmedia.Whatshouldyoudo？（）
A.DisabletheSetclockondevicesautomaticallyoption.
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D.EnabletheDownloadusagerightsautomaticallywhenIplayorsyncafileoption.