Which two statements about subnet masks are true?()
AIf a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.
BIf a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
CIf a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.
DIf a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.
AIX 5L中的“L”代表:()
A、Linux
B、Low end低端
C、Light 简化版
D、没意义
看组合视图时,一般是用()即可看懂,遇到疑难问题时再用线面分析法分析线面的性质和形成过程,从而将视图全部看懂。
A、形体分析法
B、切割分析法
C、组合分析法
D、基本分析法
View the Exhibit and examine the initialization parameter settings. Which three initialization parameters are to be set manually as they are not automatically tuned()
ALOG_BUFFER
BSORT_AREA_SIZE
CJAVA_POOL_SIZE
DSTREAMS_POOL_SIZE
EDB_16K_CACHE_SIZE
FDB_KEEP_CACHE_SIZE
设有一个命令按钮Command1的事件过程以及一个函数过程。程序如下:连续单击命令按钮三次,第三次单击命令按钮后,窗体上显示的计算结果是( )。
A、10
B、30
C、60
D、70
以下关于过程及过程参数的描述中错误的是( )。
A、过程的参数可以是控件名称
B、调用过程时使用的实参的个数应与过程形参的个数相同
C、只有函数过程能够将过程中处理的信息返回到调用程序中
D、窗体可以作为过程的参数