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?（）

单项选择题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

单项选择题A network technician wants to use a packet analyzer to troubleshoot a reported problem with a users workstation with IP address 192.168.1.45. To identify the workstations packets the technician wants to use the workstations MAC address. Which of the following protocols would provide the needed information?（）

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

单项选择题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

单项选择题Which of the following would MOST likely be used to punch down LAN cables before connecting them to the main switch?（）

A. IDF
B. 66 block
C. MDF
D. 110 block

单项选择题In which of the following layers of the OSI model does the TCP protocol operate?（）

A.Session
B.Network
C.Data link
D.Transport