TwostationsonaLANtransmitatthesametime,resultinginacollision.Whathappenswhenacollisionoccursonthenetwork?()
A. EachdeviceontheEthernetsegmentstopstransmittingforashorttime.
B. Ajamsignalinformsalldevicesthatacollisionoccurred.
C. Whendatatransmissionresumes,thedevicesthatwereinvolvedinthecollisionhaveprioritytotransmit.
D. Thedevicesthatareinvolvedinthecollisionstopstransmittingforashorttime.
E. Thecollisioninvokesarandomback-offalgorithm.
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以满足消费者需要的价值为取向,确定企业统一的促销策略,协调使用各种不同的传播手段,发挥不同传播工具的优势, 从而使企业的促销宣传实现低成本策略化与高强冲击力,形成促销高潮,这一营销方式称作()。
A. 电子邮件营销
B. 博客营销
C. 搜索引擎营销
D. 整合营销
YouarethenetworkadministratorforThenetworkconsistsofasingleActiveDirectorydomainnamedAllnetworkserversrunWindowsServer2003,andallclientcomputersrunWindowsXPProfessional. Youarerequiredtoimplementabackupstrategyforallfiveserversonthenetwork.YouusetheBackupUtilitytoschedulenightlybackupjobs.YoucreateadomainuseraccountnamedBackupSvc,andaddittothelocalBackupOperatorsgrouponallfileservers.ThescheduledbackupjobswilluseBackupSvctologontothenetworkNightlybackupsoccursuccessfullyforsixweeks.Then,nightlybackupsfailonallservers.Whenyouexaminetheeventlogofoneserver,youdiscoverthatthe passwordforBackupSvcisexpired.YouresetthepasswordandselectthePasswordneverexpiresoptionforBackupSvc. Thenextday,youdiscoverthatthepreviousnight'sbackupfailedonallfileservers. Youneedtoensurethatthenextnight'sbackupissuccessful. Whichtwoactionsshouldyouperform?(Eachcorrectanswerpresentspartofthe solution.()Choosetwo)
A. Stopandrestarteveryfileserver.
B. Stopandrestartthebackupapplicationoneveryfileserver.
Changethepasswordforthebackupjoboneveryfileserver.
D. InActiveDirectoryUsersandComputers,increasethevalueoftheAccountlockoutthresholdoption.
E. UnlocktheBackupSvcaccount.
报告指出:推进政治体制改革的目标是()
A. 增强党和国家活力
B. 调动人民积极性
C. 改革社会制度
D. 固定利益格局
“十三五”规划建议提出,坚持(),必须顺应我国经济深度融入世界经济的趋势,奉行互利共赢的开放战略。
A. 开放发展
B. 绿色发展
C. 共享发展
D. 协调发展