Which one of the Cisco IOS commands can be used to verify that either the Cisco IOS image， theconfiguration files，or both have been properly backed up and secured？（）

单项选择题InanIEEE802.1xdeployment，betweenwhichtwodevicesEAPOLmessagestypicallyaresent？（）

A.Between the supplicant and the authenticator
B.Between the authenticator and the authentication server
C.Between the supplicant and the authentication server
D.Between the RADIUS server and the authenticator

单项选择题IfyouclicktheConfigurebuttonalongthetopofCiscoSDM isgraphicalinterface，whichTasksbuttonpermitsyoutoconfiguresuchfeaturesasSSH，NTP，SNMP，andsyslog？（）

A.Interfaces and Connections
B.Intrusion Prevention
C.Security Audit
D.Additional Tasks

单项选择题Forthefollowingoptions，whichfeatureisthefoundationofCiscoSelf-DefendingNetworktechnology？（）

A.secure network platform
B.secure connectivity
C.threat control and containment
D.policy management

单项选择题Whatisastaticpacket-filteringfirewallusedfor？（）

A.It validates the fact that a packet is either a connection request or a data packet belonging to a connection
B.It evaluates network packets for valid data at the application layer before allowing connections
C.It analyzes network traffic at the network and transport protocol layers
D.It keeps track of the actual communication process through the use of a state table

多项选择题WhataretwocharacteristicsoftheSDMSecurityAuditwizard？（）

A.displays a screen with Fix-it check boxes to let you choose which potential security-related configuration changes to implement
B.has two modes of operationinteractive and non-interactive
C.automatically enables Cisco IOS firewall and Cisco IOS IPS to secure the router
D.uses interactive dialogs and prompts to implement role-based CLI
E.requires users to first identify which router interfaces connect to the inside network and which connectto the outside network