As the network technician at Company， you need to configure DHCP snooping on a new switch. Which three steps are required？ （） Configure the switch to insert and remove DHCP relay information （option-82 field） in forwarded DHCP request messages.。 Configure DHCP snooping globally.。 Configure the switch as a DHCP server.。 Configure DHCP snooping on an interface.。 Configure all interfaces as DHCP snooping trusted interfaces.。 Configure DHCP snooping on a VLAN or range of VLANs.。
抗人血红蛋白血清，不仅具有种属特异性，而且还具有脏器特异性，故既可用于血痕的种属检验，也可用于血痕的确证检验，从而可省略确证试验。
Study the Exhibit below carefully: London#show vtp VTP Version: 2 Configuration Revision: 0 Maximum VLANs supported locally: 64 Number of existing VLANs: 5 VTP Operating Mode: Client VTP Domain Name: London VTP Pruning Mode: Disabled VTP V2 Mode: Disabled VTP Traps Generation: Disabled Based on the information given above, what is the VTP function of this particular switch?（） Learn and save VTP configuration in the running configuration.。 Create and change VLANs.。 Forwards information about VTP configuration.。 VTP is disabled on this device.。 VTP is not saved to NVRAM.。
You are the administrator of your company’s network. A user named Peter runs Windows 2000 Professional on his portable computer. Peter wants to be able to work at home on files that were created in the office on the company network. Prior to logging off the network and leaving the office， Peter enables offline files. Peter wants to automatically download all the opened files to his computer and he should not manually define the offline files. What setting you will do in caching option？ （） Enable file and print sharing. Peter will be able to access his files at home immediately。 Synchronize all offline files. Peter will be able to access his files at home immediately。 In the cache settings, you should define the manual caching for documents。 In the cache settings, you should define the automatic caching for documents。 In the cache settings, you should define the automatic caching for programs.&e。
简述中位选民理论的内容。
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