A system is being booted into maintenance mode due to root password recovery. After accessing the root volume group and starting a shell without mounting the file systems, what is the next step?()
A、Delete root’s password from the /etc/security/passwd file.
B、Use the diag recovery tool option to reset root’s password.
C、Execute the ’passwd’ command and assign a new passwd to root UId
D、Mount the / and /usr filesystems on alternative mount points to edit the password file.
在计算机中访问速度最快的存储器是()。
A、硬盘
B、RAM
C、ROM
D、软盘
SDH与PDH相比较有许多优点,它们是().。
A、强大的网管功能
B、上下业务方便
C、强大的网络自愈能力
D、标准的光接口
货物运输业增值税专用发票税控系统中,传输盘的功能有哪些?()
A、申报数据
B、返写监控数据
C、领购发票
D、校准时钟
You want to schedule a job to rebuild all indexes on the SALES table after the completion of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system. How would you create these jobs?()
A、 Create both jobs by using events raised by the scheduler
B、 Create both jobs by using events raised by the application
C、 Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler
D、 Create a job to rebuild indexes by using events arised by the Scheduller and then create another job to perform bulk load by using events raised by the application
有如下类定义:若obj是类D的对象,则下列语句中不违反访问控制权限的是( )。
A、obj.funl();
B、obj.fun2();
C、obj.fun3();
D、obj.fun4();