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

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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

單項選擇題

Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?（）

A. VPN concentrator
B. Content filter
C. Load balancer
D. Proxy server