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單項(xiàng)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

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單項(xiàng)選擇題

A network technician wants to use a packet analyzer to troubleshoot a reported problem with a user's workstation with IP address 192.168.1.45. To identify the workstation's packets the technician wants to use the workstation's MAC address.
Which of the following protocols would provide the needed information?（）

A.DHCP
B.ARP
C.DNS
D.PING

單項(xiàng)選擇題

A technician needs to manage a switch by using the management port on the back of the switch.Which of the following cables would the technician use?（）

A.Straight
B.Console
C.Crossover
D.Loopback