【单选题】DES加密算法的密文分组长度和有效密钥长度分别是()
【单选题】Which of the following actions will enable 64-bit applications on a system with a 32-bit kernel?()
A.
change the kernel to 64bit, reboot, and then use the following command:chdev -l sys0 -a applications=64_bit
B.
Re-install the OS with 64-bit kernel enabled
C.
Re-install all applications with 64-bit versions
D.
Use smit to enable the 64-bit applications
【单选题】Which is the correct WebLogic Server distribution version to download if you want to install WebLogic Server 12c to run in 64 bit mode on a 64 bit Linux X86?()
A.
Linux x86 with 64 bit JVM
B.
ZIP distribution for Linux
C.
Linux x86 with 32 bit JVM
【单选题】Which of the following actions will enable 64-bit applications on a system with 32-bit kernel()
A.
Use "smit load64bit" to enable the 64-bit applications.
B.
Re-install all applications with 64-bit versions.
C.
Re-install the OS with 64-bit kernel enabled.
D.
Change the kernel to 64bit, reboot, and then use the following command: chdev -l sys0 -a "applications=64_bit"
【单选题】若三阶矩阵A的特征值为-2,1,3,则下列矩阵中非奇异矩阵是( ).
【判断题】若A为方阵,且A的行向量组线性相关,则A是非奇异矩阵。
【判断题】若 A 为一 n × n 矩阵,其特征值均为非零的,则 A 是非奇异的。
【判断题】若A为n阶非奇异方阵,则 cond(A)=cond(A -1 )
【单选题】下列各组词语中只有一个错别字的 — 组是