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【单选题】
同步 RS 触发器,当 S = 1 、 R = 0 时, CP 脉冲作用后,触发器处于( )。A.
0 状态
B.
1 状态
C.
不确定状态
D.
保持状态
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举一反三
【单选题】Which of the following is the functional description of a server connected between two separate IP subnets？（）
A.
server as a bridge
B.
server as a router
C.
server as a switch
D.
server as a data link
【简答题】若3a 2 -2b-1=5，则a 2 - 2 3 b+1=______．
【单选题】下列变形正确的是 [ ]
A.
若3x﹣1=2x+1，则3x+2x=﹣1+1
B.
若1﹣ =x，则2﹣3x﹣1=2x
C.
若3（x+1）﹣5（1﹣x）=2，则3x+3﹣5﹣5x=2
D.
若 ﹣ =0.1，则 ﹣ =0.1
【多选题】Which two statements are true about the WebLogic Server domains ？ （）
A.
Application Programmers need to refer to domains in their Oracle Web`logic Server programming Interface
B.
domains can be used to separate development， test， and production application， administration and operational responsibility， and organizational or business division
C.
one can share a configured resource or subsystem between domains
D.
the concept of multiple domains is supported
【单选题】下列变形正确的是（ ）
A.
若3x-1=2x+1，则3x+2x=-1+1
B.
若 1- 3x-1 2 =x ，则2-3x-1=2x
C.
若3（x+1）-5（1-x）=2，则3x+3-5-5x=2
D.
若 1- 10x+1 6 = 2x+1 3 ，则6-10x-1=2（2x+1）
【多选题】Which two options describe how MySQL Server allocates memory?（）
A.
Thread memory is pre-allocated up to thread_cache_size for performance
B.
Each connection may have its own per-thread memory allocations
C.
Global memory resources are allocated at server startup
D.
Each thread allocates memory from a global pool
【单选题】Which are the two main uses of a VIO server？（）
A.
Virtualize network and memory to LPARs.
B.
Virtualize network and storage to LPARs.
C.
Virtualize memory and processors to LPARs.
D.
Virtualize storage and processors to LPARs.
【多选题】Which two databases are supported for the vCenter Server Appliance 6.x? (Choose two.)
A.
PostgreSQL
B.
Oracle
C.
DB2
D.
Microsoft SQL Server
【简答题】若a=√5+3,则2a 3 -11a 2 +2a+1=___.
【简答题】已知A={a,3,2,4}，B={1,3,5,b}，若A∩B={1,2,3}，求a和b．
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