单选题Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）A 1B 2C 3D 4

题目
单选题
Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）
A

1

B

2

C

3

D

4

相似考题

1.Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl >STOPWhat happens to the sessions that are presently connected to the database Instance?（）A. They are able to perform only queries.B. They are not affected and continue to function normally.C. They are terminated and the active transactions are rolled back.D. They are not allowed to perform any operations until the listener LISTENER is started

2.You work as a database administrator for Supportcenter.cn. You are working on Oracle Database 10g. To forward client connections to an instance， the listener must know information such as the name of the instance and where the instance’s ORACLE_HOME is located. How does the listener get this information？（）A、It gets it from the parameter file.B、The listener prompts for details on startup.C、The listener gathers information from the control file.D、The instance automatically registers with the default listener.E、The listener gets this information through thelistener.orafile.

3.所有AbstractButton组件都实现了（）A、Action Listener 接口B、Serializable Listener 接口C、Change Listener 接口D、Item Listener 接口

4.Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）A、1B、2C、3D、4E、5

参考答案和解析
正确答案： C
解析： 暂无解析
更多“单选题Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）A 1B 2C 3D 4”相关问题

  • 第1题：

    在脚本：pp.add Event Listener（Mouse Event.CLICK，AA）；中，CLICK所代表的是（）

    • A、函数名
    • B、实例名
    • C、事件名
    • D、变量名

    正确答案:C

  • 第2题：

    You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error：   ERROR：   ORA-12541：TNS：no_listener   You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener.   lsnrctl>START   What statement is true？（）

    • A、It would attempt to start the default listener
    • B、It would start the most recently created listener.
    • C、It would display an error with a message asking for the listener name to be specified.
    • D、It would show you a list of listeners and prompts for the listener name that you want to start.

    正确答案:A

  • 第3题：

    You were recently hired by Certkiller .com as a database administrator. You are asked to find out whether the currently functional listener process， named L1， has been password protected or not. You are not familiar with the file system of the new organization. How would you accomplish the task？（）

    • A、 by using the STATUS command of the Listener control utility
    • B、 by using the STATUS L1 command of the Listener control utility
    • C、 by using the SHOW RULES command of the Listener control utility
    • D、 by using the SET PASSWORD command of the Listener control utility
    • E、 by searching for the PASSWORD_LISTENER entry in the listener.ora file

    正确答案:B

  • 第4题：

    You want your listener to be password protected to prevent it from being shut down. You want to accomplish this task while the listener is functional. Which method could you use to achieve this objective？（）

    • A、 Use the CHANGE_PASSWORD command of the Listener control utility.
    • B、 Use the SET PASSWORD and SAVE_CONFIG commands of the Listener control utility.
    • C、 Use the CHANGE_PASSWORD and SAVE_CONFIG commands of the Listener control utility.
    • D、 Manually modify the listener.ora file to include the password for the listener and restart the listener.

    正确答案:C

  • 第5题：

    You are maintaining the database of a company. The listener process， listener1， is configured for remote access. You have issued the following command：   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command？（） 

    • A、 whether the password is set in the listener or a file or not
    • B、 the number of client connections the service handler has refused
    • C、 the information will be displayed whether the instance can accept connections or not
    • D、 the protocol addresses on which the listener is configured to listen

    正确答案:B

  • 第6题：

    You issue these LSNRCTL commands：  LSNRCTL> SET CURRENT_LISTENER listener01 LSNRCTL> START listener02  What is the result of issuing these commands？（）

    • A、A listener named LISTENER is started.
    • B、A listener named LISTENER01 is started.
    • C、A listener named LISTENER02 is started.
    • D、The START command fails and no listener is started.

    正确答案:C

  • 第7题：

    单选题
    You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error：   ERROR：   ORA-12541：TNS：no_listener   You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener.   lsnrctl>START   What statement is true？（）
    A

    It would attempt to start the default listener

    B

    It would start the most recently created listener.

    C

    It would display an error with a message asking for the listener name to be specified.

    D

    It would show you a list of listeners and prompts for the listener name that you want to start.


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    How can you create a listener class that receives events when the mouse is moved？（）
    A

     By extending MouseListener.

    B

     By implementing MouseListener.

    C

     By extending MouseMotionListener.

    D

     By implementing MouseMotionListener.

    E

     Either by extending MouseMotionListener or extending MouseListener.

    F

     Either by implementing MouseMotion Listener or implementing MouseListener.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）
    A

    1

    B

    2

    C

    3

    D

    4

    E

    5


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）
    A

    1

    B

    2

    C

    3

    D

    4


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    You were recently hired by an organization as a database administrator. You are asked to find out whether the currently functional listener process， named L1， has been password protected or not. You are not familiar with the file system of the new organization. How would you accomplish the task？（）
    A

    by using the STATUS command of the Listener control utility

    B

    by using the STATUS L1 command of the Listener control utility

    C

    by using the SHOW RULES command of the Listener control utility

    D

    by using the SET PASSWORD command of the Listener control utility

    E

    by searching for the PASSWORD_LISTENER entry in the listener.ora file


    正确答案： E
    解析： 暂无解析

  • 第12题：

    单选题
    You want your listener to be password protected to prevent it from being shut down. You want to accomplish this task while the listener is functional. Which method could you use to achieve this objective？（）
    A

     Use the CHANGE_PASSWORD command of the Listener control utility.

    B

     Use the SET PASSWORD and SAVE_CONFIG commands of the Listener control utility.

    C

     Use the CHANGE_PASSWORD and SAVE_CONFIG commands of the Listener control utility.

    D

     Manually modify the listener.ora file to include the password for the listener and restart the listener.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    How can you create a listener class that receives events when the mouse is moved？（）  

    • A、 By extending MouseListener.
    • B、 By implementing MouseListener.
    • C、 By extending MouseMotionListener.
    • D、 By implementing MouseMotionListener.
    • E、 Either by extending MouseMotionListener or extending MouseListener.
    • F、 Either by implementing MouseMotion Listener or implementing MouseListener.

    正确答案:D

  • 第14题：

    Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）

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

    正确答案:B

  • 第15题：

    You plan to use static database registration for a new listener when you create it. What could be the two reasons for this？（）

    • A、More than one database is to be registered with the listener.
    • B、The users will connect the database by using the host naming method.
    • C、The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
    • D、The database that is to be registered with the listener is configured in shared server mode.
    • E、The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.

    正确答案:C,E

  • 第16题：

    Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（）

    • A、lock the listener
    • B、hide the listener
    • C、create multiple listeners
    • D、run listener on a remote client
    • E、set a password for the listener
    • F、store listener.ora in a non-default location

    正确答案:E

  • 第17题：

    The three tasks shown have been completed in order to configure a naming method： Task 1： Installed on server and client： Oracle Net Services， TCP/IP， TCP/IP protocol adaptor Task 2： Started default listener on port 1521 Task 3： Added global database name to the listener.ora file.  Which naming method was configured？（）

    • A、host naming method
    • B、local naming method
    • C、directory naming method
    • D、external naming method

    正确答案:A

  • 第18题：

    单选题
    The three tasks shown have been completed in order to configure a naming method： Task 1： Installed on server and client： Oracle Net Services， TCP/IP， TCP/IP protocol adaptor Task 2： Started default listener on port 1521 Task 3： Added global database name to the listener.ora file.  Which naming method was configured？（）
    A

    host naming method

    B

    local naming method

    C

    directory naming method

    D

    external naming method


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    You are maintaining the database of a company. The listener process， listener1， is configured for remote access. You have issued the following command：   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command？（）
    A

     whether the password is set in the listener or a file or not

    B

     the number of client connections the service handler has refused

    C

     the information will be displayed whether the instance can accept connections or not

    D

     the protocol addresses on which the listener is configured to listen


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（）
    A

    lock the listener

    B

    hide the listener

    C

    create multiple listeners

    D

    run listener on a remote client

    E

    set a password for the listener

    F

    store listener.ora in a non-default location


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    You issue these LSNRCTL commands：  LSNRCTL> SET CURRENT_LISTENER listener01 LSNRCTL> START listener02  What is the result of issuing these commands？（）
    A

    A listener named LISTENER is started.

    B

    A listener named LISTENER01 is started.

    C

    A listener named LISTENER02 is started.

    D

    The START command fails and no listener is started.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    所有AbstractButton组件都实现了（）
    A

    Action Listener 接口

    B

    Serializable Listener 接口

    C

    Change Listener 接口

    D

    Item Listener 接口


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    You plan to use static database registration for a new listener when you create it. What could be the two reasons for this？（）
    A

    More than one database is to be registered with the listener.

    B

    The users will connect the database by using the host naming method.

    C

    The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.

    D

    The database that is to be registered with the listener is configured in shared server mode.

    E

    The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.


    正确答案： A,B
    解析： 暂无解析

  • 第24题：

    单选题
    Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl > STOPWhat happens to the sessions that are presently connected to the database Instance?（）
    A

    They are able to perform only queries.

    B

    They are not affected and continue to function normally.

    C

    They are terminated and the active transactions are rolled back.

    D

    They are not allowed to perform any operations until the listener LISTENER is started


    正确答案： D
    解析： 暂无解析

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