In an environment in which multiple VLANs have been defined on Catalyst Express 500 switches， which two statements are correct for ports that have been configured with the Smartport role of "IP Phone + Desktop"？（）

单项选择题WhichstatementcorrectlydescribesnetworksecuritysettingsinCiscoNetworkAssistantfortheCatalystExpress500Switch？（）

A.The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch port
B.The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.
C.The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch port
D.The default network setting is "HIGH"

多项选择题WhenresettingaCatalystExpressswitchtofactorydefaultsettings，whichthreeoptionsareavailablefromtheSoftwareRecoverywindow？（）

A.Boot to a password recovery window
B.Boot with the factory default image
C.Erase the system configuration and boot with the factory default IOS image
D.Erase the system configuration and boot from a TFTP-supplied IOS image
E.Erase the System Configuration

单项选择题Youaredesigningasolutionthatneedstosupportafull-rateT3connection.WhichroutermodeldoestheCiscoSingle-SiteSecureNetworkFoundation1.1DesignandImplementationGuidesuggestforthissolution？（）

A.Cisco 2821
B.Cisco 2811
C.Cisco 3845
D.Cisco 2801
E.Cisco 2851
F.Cisco 3825

单项选择题IfvoiceanddatatrafficwillbesentandreceivedviaaWANlinks，whatmustbeconfiguredtoprovideacertainamountofdedicatedbandwidthandtoprioritizethevoicetrafficoverothertypesofnetworktraffic？（）

A.IPSec VPN
B.QoS mechanism
C.Firewall
D.NAT
E.EIGRP routing protocol
F.Static routing

多项选择题You work as a network technician at Certkiller .com. Please study the exhibit carefully. All of the computing devices shown are on the same logical network， as if they were all connected to the same switch. Which two features make this possible？（）

A.PAT
B.802.1Q
C.Spanning-tree
D.VLANs
E.QoS