多项选择题
A.only the low-order 23 bits of the MAC address are used to map IP addresses
B.only the low-order 24 bits of the MAC address are used to map IP addresses
C.only the high-order 23 bits of the MAC address are used to map IP addresses
D.only the low-order 23 bits of the IP address are used to map MAC addresses
E.the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
F.the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses
单项选择题 Lafeyette Productions is looking for a new ISP that has improved availability, load balancing, and catastrophe protection. Which type of ISP connectivity solution would be best?（）
单项选择题 You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?（）
单项选择题 Whichsite-to-siteVPNsolutionallowsCiscorouters，PIXFirewalls，andCiscohardwareclientstoactasremoteVPNclientsinordertoreceivepredefinedsecuritypoliciesandconfigurationparametersfromtheVPNheadendatthecentralsite？（）