Which statements are true regarding table compression？（）A、 It saves disk space and reduces memory usage.B、 It saves disk space but has no effect on memory usage.C、 It incurs extra CPU overhead during DML as well as direct loading operations.D、 It incurs e

第1题：

第2题：

Which system resources does WLM have the capability to control?（）

• A、 CPU, Memory and Network I/O 
• B、 CPU, Memory and Disk I/O 
• C、 CPU and Memory 
• D、 CPU and Disk I/O

第3题：

第4题：

Which statement is true regarding the Junos OS?（）

• A、Each process runs in its own protected memory space ensuring that one process cannot directly interfere with another.
• B、Processes share memory space but use separate ASICs so that one process cannot directly interfere with another.
• C、A central processor called the IP2 Chip dynamically assigns memory as process needs fluctuate.
• D、The memory management daemon (mmd) is responsible for allocating new memory for processes as they request it.

第5题：

Which of the following statements about declaration are true？（）         

• A、 Declaration of primitive types such as boolean， byte and so on does not allocate memory space for the variable.
• B、 Declaration of primitive types such as boolean， byte and so on allocates memory space for the variable.
• C、 Declaration of nonprimitive types such as String， Vector and so on does not allocate memory space for the object.
• D、 Declaration of nonprimitive types such as String， Vector ans so on allocates memory space for the object.

第6题：

A company is deploying a Microsoft Windows-based， mission-critical Data Warehousing application.  The customer has specified 4GB of RAM.  Which TWO of the following questions will best help the consultant determine the proper memory configuration？（）

• A、Does the application require a large paging space？
• B、What is the anticipated memory/disk cache hit ratio？
• C、Does the application support Physical Address Extensions （PAE）？
• D、Are there future plans to expand the amount of memory in the system？
• E、Do the application availability requirements justify the use of Memory Mirroring technologies？

第7题：

Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

• A、 The declaration on line 2 does not allocate memory space for the variable myVect.
• B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
• C、 The statement on line 2 creates an object of class Vector.
• D、 The statement on line 3 creates an object of class Vector.
• E、 The statement on line 3 allocates memory space for an object of class Vector.

第8题：

第9题：

Which statement is true regarding the Junos OS?（）

• A、Each process runs in its own protected memory space ensuring that one process cannot directly interface with another
• B、Process share memory space but separate ASICs so that one process cannot directly interfere with another
• C、A central processor called the IP2 chip dynamically assings memory as process needs fluctuate
• D、The memory management daemon (mmd) is responsible for allocating new memory for process as they request it

第10题：

Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）

• A、As ASM instance mounts an ASM control file
• B、An ASM instance uses the ASMB process for rebalancing of disks within a disk group
• C、Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
• D、An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started