LKJ系统故障处理应采用整机、插件板、（）等换修方式，尽快恢复设备正常运用。
A. 检查线路绝缘
B. 模块的检修互换单元
C. 判断线路开路、短路
D. 更换相关线路
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多级油的优越性是它的粘度随温度变化小、适用温度范围宽，故尽量使用多级油。
A. 正确
B. 错误
按有关规定和要求保护接地及保护接零是防止电气设备绝缘损坏时外壳带电的有效措施。
A. 正确
B. 错误
You network contains a server named Server1. You have a computer named Computer1 that runs Windows XP Professional. Employees log on to Computer1 by using local user accounts. You need to configure the user profiles on Computer1 to be stored on Server1. What should you do?（）
A. On Computer1, map a drive to an administrative share on Server1. Configure each user's profile path to point to the mapped drive.
B. Create a shared folder on Server1. Assign Full Control permissions to all users. On Computer1, configure each user's profile path to a folder in the shared folder.
Create a shared folder on Server1. Assign Full Control permissions to all users. On Computer1, configure each user's home folder path to a folder in the shared folder.
D. On Computer1, map a drive from each client computer to an administrative share on Server1. Configure each user's home folder path to point to the mapped drive.&e
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