有关DVS技术说法错误的是？

DVs are only used on nutrition labels. A: 正确 B: 错误

Video encoder is also called video server, or DVS (Digital Video Server) for short. It is mainly used to encode and compress analog video signals and provide network transmission function. The difference with DVR products is that DVS focuses on the "video recording" function. ( )

网络硬盘录像机的英文简称为() A: NVR B: DVR C: DVS D: NVP

In case of DVS failure, the redundant encoder will start and perform coding compression, and the video stream will be recorded in the "account" of the redundant encoder. ( )

物联网视频监控系统阶段前端设备一般采用的是： A: DVR B: DVS C: IPCamera D: 磁带录像机

‌物联网视频监控系统阶段前端设备一般采用的是：​ A: DVR B: DVS C: IPCamera D: 磁带录像机

In case of DVS failure, the redundant encoder will start and perform coding compression, and the video stream will be recorded in the "account" of the redundant encoder. ( ) A: 正确 B: 错误

在FusionComupte中，位于同一主机上同一端口组内的两台虚拟机无法通信，以下哪项不是引起该故障的原因？（） A: 虚拟机IP配置错误 B: 物理路由器故障 C: 虚拟机防火墙配置错误 D: DVS工作异常

在FusionCompute中，位于同一主机上的同一端口组内的两台虚拟机无法通信，以下哪项不是引起该故障的原因？（） A: 虚拟机防火墙配置错误 B: 物理路由器故障 C: DVS 工作异常 D: 虚拟机 IP 配置错误