题目内容

BFD(双向转发检测)技术术语快速检测技术,但他较为复杂,需要特殊厂商设备支持。

A. 正确
B. 错误

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井下水灾事故撤离通路被水隔断时要迅速寻找位置()、离井筒或大巷()的地点躲避,并发出():间断地敲打铁器或煤墙等

You have created a password file using the following command: ORAPWD file=d:\oracle\ora9i\orapwU01 password=change_on_install entries=3 Which of the following is true about this password file?()

A. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file, then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
B. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file, then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
C. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file, then the SYSDBA and SYSOPER privileges can be granted to other users as long as space in the password file is
D. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file, then the SYSDBAand SYSOPER privileges can be granted to other users as long as space in the password file is available.

按技术创新的来源划分?

固定资本的寿命是由其()

A. 物质磨损程度所决定的,与其精神磨损无关
B. 精神磨损程度所决定的,与其物质磨损无关
C. 物质磨损程度所决定的,与其精神磨损有关
D. 精神磨损程度所决定的,与其物质磨损有关

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