單項選擇題

In order for computers with private IP addresses to access the public Internet, which of thefollowing must the router perform?（）

A.NAT
B.BGP
C.DHCP
D.APIPA

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單項選擇題

A SONET network typically uses which of the following transmission media?（）

A. Single-mode fiber
B. Multimode fiber
C. Copper
D. Wireless

單項選擇題

A workstation is having connectivity issues when being added to the domain. Which of the following commands would allow the administrator to see the DNS and WINS servers that are currently configured for the workstation?（）

A.Ipconfig
B.Nslookup
C.Netstat
D.Nbtstat