具有IPMI功能的服务器让网管员访问和监视服务器硬件，对冻结的服务器进行诊断和恢复正常运转。

Servers with IPMI functionality let network administrators access and monitor server hardware, and diagnose and restore a frozen server to normal operations.

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电信网管中的时钟服务对时钟的精度要求不是很高，但是要考虑既要和本地的操作系统时间无关，又要考虑同步时钟服务器和同步不同类型的设备二种情况。

It is unstrict with precise in LAN for TMN, but it should have no connection with local OS time, and can synchronize to time server and different devices.

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本文分别从划分VLAN、使用组策略、病毒服务器、网管软件、V NC软件的使用五个策略对保障HIs系统的安全运行进行了探讨。

This paper discusses safety policy on partition of VLAN, using group policy, Netmanager software, virus server, VNC to guarantee his running.

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