在某台PC上运行ipconfig/all命令后得到如下结果，下列说法中正确的是（1）。WindowsIPConfigurationHostName...............:MSZFA2SWBGXX4UTprimalyDnsSuffix.......：NodeType...............:HybridIPRoutingEnable。.........:NoWINSProxyEnable........:NoDNSSuffixSearchList......:homeWirelessLANadapter:Connection-specificDNSSuffix.:homeDescription..............:RealtekRTL8188EUNetworkAdapterPhysicalAddress............:30-B4-9E-12-F2-EDDHCPEnable..............:YesAutoconfigurationEnabled...:YesLink-localIPv6Address......:fe80::40bl:7a3a:6cd2:1193%12(peferred)IPv4Address.............:192.168.3.12(preferred)Subnetmask...............:255.255.255.0LeaseObtaine............:2017-7-1520:01:59LeaseExpires...............:2017-7-1620:01:59DefaultGateway..........:192.168.3.1DHCPServer.............:10.10.20.3DHCPv6IAID.....……..:222857938DHCPv6ClientDUID........:00-01-00-01-1F-88-22-5F-74-DO-2B-7B-88-29DNSServers................:8.8.8.8192.168.3.1NetBIOSoverTcpip..........:Enabled
DHCP服务器默认首选分配客户机曾经使用过的IP地址，租约时间为1天，DHCP服务器指定为客户分配的DNS服务器地址第一个为8.8.8.8。