神马？还有人交换机路由器防火墙傻傻fufu搞不清楚，一个视频全面介绍
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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神马？还有人交换机路由器防火墙傻傻fufu搞不清楚，一个视频全面介绍，简单介绍企业和运营商企业通信网络相关设备，并对防火墙、交换机、路由器等设备做了对比说明。
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