Virtual Network Computing (VNC) support is required for remote maintenance, especially if the system has no monitor or keyboard.

需要通过虚拟网络计算 (VNC) 支持来进行远程维护，特别是当系统没有显示器或键盘时。

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This link represents the network access that the server provides to the virtual system.

该链接代表了服务器提供给虚拟机系统的网络访问。

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The virtual image also contains virtual disk definition and virtual network connection units that represent the virtual resources that the hypervisor provides to the virtual system.

虚拟镜像还包含了虚拟硬盘定义与虚拟网络连接单元，它们代表了虚拟监管系统向虚拟机系统所提供的虚拟资源。

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As a result, malicious programs despoil these virtual environments so system administrators can block or quarantine them without endangering the corporate network.

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