采用Select语句返回的结果是一个结果集。用户只能浏览该结果集中的数据,无法对数据进行操作。如果需要逐行对数据进行访问和操作,可以使用()。
A、视图
B、过程
C、函数
D、游标
以下哪个文件系统是*nix系统特有的?()
A、FAT
B、EXT3
C、NTFS
D、FAT32
某计算机有16个通用寄存器,采用32位定长指令字,操作码字段(含寻址方式位)为8位,Store指令的源操作数和目的操作数分别采用寄存器直接寻址和基址寻址方式,若基址寄存器可使用任一通用寄存器,且偏移量用补码表示,则Store指令中偏移量的取值范围是( )。
A、-32768~+32767
B、-32767~+32768
C、-65536~+65535
D、-65535~+65536
Which of the following technologies causes a single processor to appear as multiple processors within System Properties in a Windows Server?()
A、 RISC
B、 Multicore
C、 Symmetric multi-processing
D、 Hyper-V
Which additional configuration must be completed when setting up role restrictions using certificates? ()
A、Set up a certificate authentication server.
B、Configure the authentication realm to remember certificate information.
C、Configure the authentication realm to use a certificate server for authentication.
D、Configure a role mapping rule requiring certification information to map user to role.
On a pre-existing OAC, which three options can the Infranet Controller overwrite when the useraccesses the Infranet Controller?()
ASSID
Blogin name
CMAC address
Dwired adapters
Eencryption method