单项选择题
A.To protect the network in case someone inadvertently creates a physical loop in it
B.To ensure that if a device fails another device automatically take over for it
C.To allow management of all network devices
D.To aggregate logical network groups together at one central point
单项选择题 WhichWANconnectionrequiresadifferentinterfacethanthestandardinterfaceprovidedintheCiscoSingle-SiteSecureNetworkFoundationdeploymentdesign？（）
单项选择题 You work as a network technician at Certkiller .com. Please study the exhibit carefully. Which Cisco SDM configuration task would you select to configure a static route to the Service Provider？（）
单项选择题 Whichstatementsabout802.1QtrunkinginSecureNetworkFoundationDesignGuideforSingleSiteDeploymentsarecorrect？（）