Given: What are four valid examples of polymorphic method calls?()
Ax.a2();
Bz.a2();
Cz.c1();
Dz.a1();
Ey.c1();
Fx.a1();
Given: What are four valid examples of polymorphic method calls?()
Ax.a2();
Bz.a2();
Cz.c1();
Dz.a1();
Ey.c1();
Fx.a1();
下列叙述中,不属于设计准则的是( )。
A、提高模块独立性
B、使模块的作用域在该模块的控制域中
C、设计成多入口、多出口模块
D、设计功能可预测的模块
A system administrator is in the process of performing a preservation installation. However, the machine keeps booting up in diagnostic mode. Which of the following is the most probable cause?()
A、The battery on the machine is bad.
B、The root volume group is corrupted.
C、The low-level debugger is not enabled.
D、There is a problem with the CD-ROM.
A system administrator has an existing mksysb image, but would like to modify the image.data file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?()
A、Create a new image.data file and recreate the mksysb image.
B、Use the dd command to replace the image.data file on the mksysb tape.
C、Use the tctl command to palce the new image.data file on the mksysb tape.
D、Place the new image.data file on a diskette that will be road during the installation of the mksysb.
RNC室内联合接地电阻()
A、小于1欧
B、小于2欧
C、小于3欧
D、小于4欧
MAC实体有三种,分别是MAC-B,MAC-C/SH,MAC-D;其中处理BCH信道的是(),处理RACH,FACH和PCH的是(),处理DCH的是()。