Network-based attacks: these attacks rely on low-level access to network packets and attempt to harm the system by altering this traffic or discovering information from these packets.

基于网络的攻击：这些攻击依赖于对网络数据包的低层访问，试图通过修改通信流或者发现这些数据包中的信息来危害系统。

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This low-level area of the hardware allows you to reset a hung system, boot from a specific device (like a CD or a network boot), or get into single-user mode.

硬件的这个低级区域允许您从特定的设备（如 CD 或网络）启动重新设置挂起的系统，或允许您进入单用户模式。

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Select network transport method, choosing among low-level protocols such as sockets, RMI, URLs, files, and so on.

选择网络传输方法，并在低级协议(如套接字、RMI、URL和文件等等)之中选择。

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Days after Bergdahl went missing, a senior U.S. military official said Bergdahl and the Afghan soldiers were captured by low-level militants and then quickly "sold" to the clan and network led by warlord Siraj Haqqani -- believed to be deeply involved in the action.

CNN: U.S. soldier captured by Taliban: 'I'm afraid'