單項(xiàng)選擇題

Which of the following logical network topologies is used to provide a secure connection acrossthe Internet?（）

A.VLAN
B.Peer to Peer
C.VTP
D.VPN

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單項(xiàng)選擇題

Which of the following technologies facilitates the conversion of internal private IP addressing toexternal public IP addressing?（）

A.DHCP
B.TCP/IP
C.NAT
D.SNMP

單項(xiàng)選擇題

Which of the following processes translates a private IP address for a public IP address?（）

A.NAT
B.DNS
C.DHCP
D.PAT

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