When the length of the run queues, process or thread dispatc

题目
单选题
When the length of the run queues, process or thread dispatches interrupts, and lock contention metrics and statistics are analyzed for performance, which of the following resources is being analyzed?()
A

 CPU

B

 Memory

C

 Disk I/O

D

 Network I/O

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相似问题和答案

第1题:

Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX?()

A. Thread creation must be routed through a dispatcher process

B. The local listener may spawn a now process and have that new process create a thread

C. Each Oracle process runs an SCMN thread.

D. Each multithreaded Oracle process has an SCMN thread.

E. The local listener may pass the request to an existing process which in turn will create a thread.


参考答案:A, D, E

第2题:

用Thread子类实现多线程的步骤顺序是( )

A、声明Thread类的子类,创建Thread子类的实例,让线程调用start()方法

B、声明Thread类的子类,在子类中重新定义run()方法,创建Thread子类的实例

C、创建Thread子类的实例,让线程调用start()方法

D、声明Thread类的子类,在子类中重新定义run()方法,创建Thread子类的实例,让线程调用start()方法


正确答案:A

第3题:

What state is a process in when it cannot run because it needs a resource to become available?

A.Ready

B.Interrupt

C.Blocked

D.Running


正确答案:C

第4题:

You need to select appropriate processing methods for the EmployeeAssignment measure group and the Employee dimension. Which method should you choose?()

  • A、Run a Process Update against the Employee dimension. Run a Process Full against the EmployeeAssignment measure group.
  • B、Run a Process Full against the EmployeeAssignment measure group. Run a Process Update against the Employee dimension.
  • C、Run a Process Full against the Employee dimension. Run a Process Incremental against the EmployeeAssignment measure group.
  • D、Run a Process Incremental against the EmployeeAssignment measure group. Run a Process Full against the Employee dimension.

正确答案:A

第5题:

能够实现线程的方式有()。

  • A、继承Thread类,重写run方法
  • B、实现Runnable接口,实现run方法
  • C、继承Thread类,重写start方法
  • D、继承Runnable接口,重写run方法

正确答案:A,B

第6题:

当使用SomeThread t=new SomeThread( )创建-个线程时,下列叙述中正确的是( )。

A.Some Thread类是包含run( )方法的任意Java类

B.Some Thread类-定要实现Runnable接口

C.Some Thread类是Thread类的子类

D.Some Thread类是Thread类的子类并且要实现Run-nable接口


正确答案:C
由SomeThreadt=newSomeThread()可知此题是通过继承Thread类来创建线程的。

第7题:

When cleaning a tank by the Butterworth process,you should begin to pump out the slops ______.

A.At the end of the drop schedule

B.When the process is started

C.When the process is finished

D.When the tank is clean


正确答案:B

第8题:

Which two statements are true regarding the starting of the database instance using the following command?()SQL>STARTUP UPGRADE

A. It enables all system triggers.

B. It allows only SYSDBA connections.

C. It ensures that all job queues remain active during the upgrade process.

D. It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.


参考答案:B, D

第9题:

Which two statements are true regarding the starting of the database instance using the following command?() SQL>STARTUP UPGRADE

  • A、It enables all system triggers.
  • B、It allows only SYSDBA connections.
  • C、It ensures that all job queues remain active during the upgrade process.
  • D、It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.

正确答案:B,D

第10题:

Which two of statements are true?()

  • A、It is possible to synchronize static methods.
  • B、When a thread has yielded as a result of yield(), it releases its locks.
  • C、When a thread is sleeping as a result of sleep(), it releases its locks.
  • D、The Object.wait() method can be invoked only from a synchronized context.
  • E、The Thread.sleep() method can be invoked only from a synchronized context.
  • F、When the thread scheduler receives a notify() request, and notifies a thread, that thread immediately releases its lock.

正确答案:A,D

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