All network devices have an ARP table, a short-term memory of all the IP addresses and MAC addresses the device has already matched together.

所有的网络设备都有一个ARP映射表，就是内存里的一小段存储着目前该设备已经匹配的IP地址和MAC地址对。

youdao

It also identifies which hosts are accessible, their IP and MAC addresses, and scans and checks the open ports, protocols used, and the host operating system.

它还可以识别哪些主机是可以访问的、它们的IP和mac地址，并扫描和检查已打开的端口、所使用的协议和主机操作系统。

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The output gives you a very clear list of the hosts discovered, the IP and MAC addresses registered, and a brief determination of the probable host provider.

该输出为您提供了一份非常详细的列表，其中列出了所发现的主机、注册的IP和mac地址，以及可能的主机提供商的简要确定信息。

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We tried it then and it couldn't have been easier, logging in while connected to your home network flips the switch based on IP address or MAC address, and then it worked at home or on the go, no password necessary.

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In this case, the cyber identity of this file would be a full set of its cyber coordinates in the IP subspace: the computer IP address, its MAC address, a Port number associated with the particular application, and the file name would constitute the full set of cyber coordinates, singularly identifying a cyber object (our file) in cyberspace.

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