以下哪些不是rdd的特性()A、心跳机制B、task的分发C、task的回收D、task执行情况的监测

题目

以下哪些不是rdd的特性()

  • A、心跳机制
  • B、task的分发
  • C、task的回收
  • D、task执行情况的监测

相似考题
更多“以下哪些不是rdd的特性()A、心跳机制B、task的分发C、task的回收D、task执行情况的监测”相关问题
  • 第1题:

    下面属于控制算子的是()

    • A、driver只有一个创建连接的功能
    • B、driver可以分发task任务
    • C、driver可以对task任务的执行情况进行检测
    • D、driver可以回收task运行的结果

    正确答案:A,C,D

  • 第2题:

    driver的特性的说法,哪些是正确的()

    • A、driver只有一个创建连接的功能
    • B、driver可以分发task任务
    • C、driver可以对task任务的执行情况进行检测
    • D、driver可以回收task运行的结果

    正确答案:B,C,D

  • 第3题:

    Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?()

    • A、To help the technician learn how to perform the task 
    • B、To determine if the user is performing the task properly 
    • C、To determine if the user is authorized to perform the task 
    • D、To help the technician determine if there is a better way to perform the task in question 

    正确答案:B

  • 第4题:

    spark中driver在任务调度中不负责task执行结果的回收


    正确答案:错误

  • 第5题:

    在μCOS-II操作系统中,已知Task1的优先级为12,Task2的优先级为26。假如在Task2运行过程中发生键盘中断,在执行中断服务程序时Task1进入就绪状态,则中断返回时Task1得到CPU的使用权。


    正确答案:正确

  • 第6题:

    Evaluate the following code:   SQL>VARIABLE task_name VARCHAR2(255); SQL>VARIABLE sql_stmt VARCHAR2(4000); SQL>BEGIN :sql_stmt := ’SELECT COUNT(*) FROM customers  WHERE cust_state_province =’’CA’’’; :task_name := ’MY_QUICKTUNE_TASK’;  DBMS_ADVISOR.QUICK_TUNE(DBMS_ADVISOR.SQLACCESS_ADVISOR,  :task_name, :sql_stmt);  END;   What is the outcome of this block of code?()  

    • A、 It creates a task and workload, and executes the task.
    • B、 It creates a task and workload but does not execute the task.
    • C、 It produces an error because a template has not been created.
    • D、 It produces an error because the SQL Tuning Set has not been created.

    正确答案:A

  • 第7题:

    You use a Windows 2000 Professional computer to run a weekly accounts table. The report has the name ap_financial_reports. You also want to use the computer to run a task named perf_log to connect to network routers and retrieve their performance logs. When the ap_financial_reports is running on the computer, the perf_log task stops responding the eventually times out. When you run only the perf_log task, the task completes successfully. You use the task manager to view your system resources. You want to resolve the performance log time out problem by using task manager. What should you do?()

    • A、Decrease the base priority of the ap_financial_reports task.
    • B、Decrease the number of threads available for the ap_financial_reports task.
    • C、Increase the base priority of the perf_log task.
    • D、Increase the number of threats available for perf_log task.

    正确答案:A

  • 第8题:

    判断题
    在μCOS-II操作系统中,已知Task1的优先级为12,Task2的优先级为26。假如在Task2运行过程中发生键盘中断,在执行中断服务程序时Task1进入就绪状态,则中断返回时Task1得到CPU的使用权。
    A

    B


    正确答案:
    解析: 暂无解析

  • 第9题:

    单选题
    The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL plan evolution task manually. Examine the following steps: 1. Set the evolve task parameters. 2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function. 3. Implement the recommendations in the task by using the DBMS_SPM.IMPLEMENT_EVOLVE_TASK function. 4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function. 5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function. Identify the correct sequence of steps:()
    A

    2,4,5

    B

    2,1,4,3,5

    C

    1,2,3,4,5

    D

    1,2,4,5


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    Evaluate the following code:   SQL>VARIABLE task_name VARCHAR2(255); SQL>VARIABLE sql_stmt VARCHAR2(4000); SQL>BEGIN :sql_stmt := ’SELECT COUNT(*) FROM customers  WHERE cust_state_province =’’CA’’’; :task_name := ’MY_QUICKTUNE_TASK’;  DBMS_ADVISOR.QUICK_TUNE(DBMS_ADVISOR.SQLACCESS_ADVISOR,  :task_name, :sql_stmt);  END;   What is the outcome of this block of code?()
    A

     It creates a task and workload, and executes the task.

    B

     It creates a task and workload but does not execute the task.

    C

     It produces an error because a template has not been created.

    D

     It produces an error because the SQL Tuning Set has not been created.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    You schedule a task to run after 15 minutes. After an hour, you check the Event Viewer system log. It contains the error message: "The Task Scheduler service failed to start". You want to run the scheduled task again. What should you do before restarting the Task Scheduler? ()
    A

    Set the Task Scheduler service to log on as a Local System account.

    B

    Set the task scheduler service to interact with the desktop.

    C

    Restart the remote procedure service called RPC service.

    D

    Log off then on using an account in the power users group.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?()
    A

    To help the technician learn how to perform the task 

    B

    To determine if the user is performing the task properly 

    C

    To determine if the user is authorized to perform the task 

    D

    To help the technician determine if there is a better way to perform the task in question 


    正确答案: B
    解析: 暂无解析

  • 第13题:

    以下关于driver的说法错误的是()

    • A、driver只有一个创建连接的功能
    • B、driver不能分发task任务
    • C、driver可以对task任务的执行情况进行检测
    • D、driver可以回收task运行的结果

    正确答案:A,B

  • 第14题:

    spark中的persist算子的源码中具有哪些参数()

    • A、心跳机制
    • B、task的分发
    • C、task的回收
    • D、task执行情况的监测

    正确答案:A,B,C

  • 第15题:

    You schedule a task to run after 15 minutes. After an hour, you check the Event Viewer system log. It contains the error message: "The Task Scheduler service failed to start". You want to run the scheduled task again. What should you do before restarting the Task Scheduler? ()

    • A、Set the Task Scheduler service to log on as a Local System account.
    • B、Set the task scheduler service to interact with the desktop.
    • C、Restart the remote procedure service called RPC service.
    • D、Log off then on using an account in the power users group.

    正确答案:A

  • 第16题:

    分发task任务是哪个节点的作用()

    • A、master
    • B、driver
    • C、worker
    • D、application

    正确答案:B

  • 第17题:

    The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL plan evolution task manually. Examine the following steps: 1. Set the evolve task parameters. 2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function. 3. Implement the recommendations in the task by using the DBMS_SPM.IMPLEMENT_EVOLVE_TASK function. 4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function. 5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function. Identify the correct sequence of steps:()

    • A、2,4,5
    • B、2,1,4,3,5
    • C、1,2,3,4,5
    • D、1,2,4,5

    正确答案:B

  • 第18题:

    You create a new Automatic Database Diagnostic Monitor (ADDM) task:  instance_analysis_mode_task. To view the ADDM report, you use the following command:   SQL> SELECT dbms_addm.get_report(’my_instance_analysis_mode_task’) FROM dual;   You want to suppress ADDM output relating to Segment Advisor actions on user SCOTT’s segments.  What would you do to achieve this?()

    • A、 Add a finding directive for the ADDM task.
    • B、 Add a segment directive for the ADDM task.
    • C、 Add a parameter directive for the ADDM task.
    • D、 Disable the Segment Advisor from the Automatic Maintenance Task.

    正确答案:B

  • 第19题:

    You are a network administrator for ExamSheet.net's Windows 2000 network.  You use a user account named User1 to log on tot a Windows 2000 Professional computer. The computer is used by different students in a classroom. User1 does not have administrative rights. However, you prefer to use this account for your daily activities. Using the Task Scheduler you schedule a task to run a command file named AddUsers.cmd that automatically adds six more student user accounts. You configure the task to run as the administrator account.  After the task was scheduled to have run you open the Task Scheduler and discover a status of "Could not start" for the task. You also discover account logon failure audit events in the computer's Security log.You want the scheduled task to successfully run AddUsers.cmd. You want to accomplish this with the least amount of administrative effort.  What should you do?()

    • A、Schedule the task using theATcommand.
    • B、Reenter the password for the administrator account using the Task Scheduler.
    • C、Log on with an administrative account and reschedule the task.
    • D、Log on by using the local Administrator account. Then schedule the task to run under User1.

    正确答案:B

  • 第20题:

    单选题
    ______, he always tries his best to complete it on time.
    A

    However the task is hard

    B

    However hard the task is

    C

    Though hard the task is

    D

    Though hard is the task


    正确答案: D
    解析:
    不管任务多么艰巨,他总是尽全力按时完成。however后接形容词表示“不管多么…”。though与形容词连接表示转折关系时,形容词应置于though前面,因此,hard though the task is的表述才正确。

  • 第21题:

    单选题
    You use a Windows 2000 Professional computer to run a weekly accounts table. The report has the name ap_financial_reports. You also want the use the computer to run a task named perf_log to connect to network routers and retrieve their performance logs. When the ap_financial_report is running on the computer perf_log task stops responding the eventually times out. When you run only the perf_log task the task completes successfully. You use the task manager to view your system resources. You want to resolve the performance log time out problem by using task manager. What should you do?()
    A

    Decrease the base priority of the ap_financial_reports task.

    B

    Decrease the number of threads available for the ap_financial_reports task.

    C

    Increase the base priority of the perf_log task.

    D

    Increase the number of threats available for perf_log task.


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    You are the administrator of a Windows 2000 Professional computer.  You schedule a task to run after 15 minutes. One hour later, the task still has not run. Using the Task Scheduler you check the status of the task. The status says "Could not start". You also notice that your Event Viewer Security Log has a logon failure event. You want to run the scheduled task.  What should you do?()
    A

    Restart the RunAs service.

    B

    Verify the account and password information for the task.

    C

    Set the Task Scheduler service to allow the service to interact with the desktop.

    D

    Set the Task Scheduler service to log on as the local Administrator account.


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    To generate recommendations to improve the performance of a set of SQL queries in an application, you execute the following blocks of code:   BEGIN  dbms_advisor.create_task(dbms_advisor.sqlaccess_advisor,’TASK1’);  END; /  BEGIN  dbms_advisor.set_task_parameter(’TASK1’,’ANALYSIS_SCOPE’,’ALL’); dbms_advisor.set_task_parameter(’TASK1’,’MODE’,’COMPREHENSIVE’);  END;  /  BEGIN  dbms_advisor.execute_task(’TASK1’);  dbms_output.put_line(dbms_advisor.get_task_script(’TASK1’));  END;  /  The blocks of code execute successfully;however,you do not get the required outcome.  What could be the reason?()
    A

     A template needs to be associated with the task.

    B

     A workload needs to be associated with the task.

    C

     The partial or complete workload scope needs to be associated with the task.

    D

     The type of structures (indexes, materialized views, or partitions) to be recommended need to be  specified for the task.


    正确答案: A
    解析: 暂无解析