A层次型数据库
B网状数据库
C关系数据库
D面向对象数据库
E分布式数据库
F以上都不是
查看答案
AUseNets
B无线应用协议
CInternet
D因特网服务提供商
E数据编码
F文件传递协议
A802.4
B802.3
C802.5
D802.11
E802.2
F以上均不是
Duringtestingofnetworkredundancyinafullymeshedenterprisecampus,aproblemhasbeenreported.Bothdistributionmultilayerswitchesarefullyconfiguredforredundancy;clientsoperatenormallywhentheprimarymultilayerdistributionswitchisoperating.Allclientsdropconnectionsoutsideoftheirrespectiveaccesslayergroupwhentheprimarydistributionswitchisshutdownandthesecondarydistributionswitchisstilloperational.AdditionalinformationindicatesthatthesecondarydistributionswitchisabletopingmajorcorporateandInternetlocations.
Whichitemwouldbethebestpointoftroubleshootingforthisconnectivityissue?()