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【单选题】
网络工程师正在对 LAN 上的主机进行故障排除，这些主机在 LAN 上安装了新的以太网交换机之后未从 DHCP 服务器上分配得到 IPv4 地址。DHCP 服务器的配置已确认正确，并且各客户端在已配置静态 IP 地址的情况下可以与其他网络进行连接。工程师下一步会采取什么步骤来解决这个问题？A.
确认第 2 层 LAN 交换机的端口配置为边缘端口。
B.
在各客户端上发出 ipconfig /release 命令。
C.
在交换机上发出 show ipdhcp binding 命令。
D.
在路由器上输入 show interface 命令以确认 LAN 网关工作正常。
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举一反三
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A.
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B.
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C.
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D.
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B.
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D.
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