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A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?（）
- A、DNS primary server
- B、Host route
- C、Proxy ARP
- D、Default gateway
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单选题A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?（）A
DNS primary serverB
Host routeC
Proxy ARPD
Default gateway
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单选题Your network has a single domain with 1，000 client computers that run Windows Vista. You are planning a deployment of Windows 7. Your company has multiple departments. Only the sales department will use the existing target computers to run Windows 7. You have the following requirements：Migrate the user state for each user. Preserve the file system and existing applications for only the sales department computers. You need to recommend the deployment method that is appropriate for the environment. Which combination of deployment scenarios should you recommend？（）A
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Use the Upgrade Computer method for the sales department computers. Use the Refresh Computer method for all other computers.D
Use the Upgrade Computer method for the sales department computers. Use the Replace Computer method for all other computers.
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单选题You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter. Your computer is able to access the Internet but is unable to discover other computers in the local wireless network. You need to configure the wireless connection to allow your computer to discover other computers. What should you do？（）A
Configure the network category of your wireless network connection to Private.B
Configure the network category of your wireless network connection to Public.C
Configure the TCP/IP packet filtering on the wireless network connection.D
Configure the wireless network connection with the appropriate authentication to the router.
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