If your heartbeat runs over a secure network, such as the crossover cable in the example, you'll want to use CRC.
如果您的heartbeat运行在一个安全的网络上，比如例子中的交叉线缆，那么应该使用crc。
The crossover cable provided "air gap" security between student teams, an important feature with highly competitive students.
交叉电缆在学员小组(高度竞争的学员的一个重要特征)之间提供“气隙(Air Gap)”安全性。
What is a crossover cable, and when would you use it?
什么是交叉电缆，当你会使用它？
What is a crossover cable, and when would you use it?
什么是交叉电缆，当你会使用它？
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