多选题A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）AStore the data in a vocal variable.BStore the data in an instance variable.CStore the data 

题目
多选题
A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）
A

Store the data in a vocal variable.

B

Store the data in an instance variable.

C

Store the data in the HttpSession object.

D

Store the data in the ServletContext object.

E

Store the data in the ServletRequest object.

相似考题

1.M．Jackson suggested the data structure oriented software design method．Which of the following structure can be introduced by using input data structure?A．algorithm structureB．procedure structureC．code structureD．program structure

2.An application architecture specifies the technologies to be used to implement one or more information systems. It serves as an outline for detailed design, construction, and implementation. Given the models and details, include （ ）, we can distribute data and processes to create a general design of application architecture. The design will normally be constrained by architecture standards, project objectives, and （ ）. The first physical DFD to be drawn is the （ ）. The next step is to distribute data stores to different processors. Data（ ）are two types of distributed data which most RDBMSs support. There are many distribution options used in data distribution. In the case of（请作答此空）, we should record each table as a data store on the physical DFD and connect each to the appropriate server.A.storing all data on a single server B.storing specific tables on different servers C.storing subsets of specific tables on different servers D.duplicating specific tables or subsets on different servers

3.An application architecture specifies the technologies to be used to implement one or more information systems. It serves as an outline for detailed design, construction, and implementation. Given the models and details, include （请作答此空）, we can distribute data and processes to create a general design of application architecture. The design will normally be constrained by architecture standards, project objectives, and （ ）. The first physical DFD to be drawn is the （ ）. The next step is to distribute data stores to different processors. Data（ ）are two types of distributed data which most RDBMSs support. There are many distribution options used in data distribution. In the case of （ ）, we should record each table as a data store on the physical DFD and connect each to the appropriate server.A.logical DFDs and ERD B.ideal object model and analysis class model C.use case models and interface prototypes D.physical DFDs and database schema

4.An application architecture specifies the technologies to be used to implement one or more information systems. It serves as an outline for detailed design, construction, and implementation. Given the models and details, include （ ）, we can distribute data and processes to create a general design of application architecture. The design will normally be constrained by architecture standards, project objectives, and （ ）. The first physical DFD to be drawn is the （ ）. The next step is to distribute data stores to different processors. Data（请作答此空）are two types of distributed data which most RDBMSs support. There are many distribution options used in data distribution. In the case of（ ）, we should record each table as a data store on the physical DFD and connect each to the appropriate server.A.vertical partitioning and horizontal replication B.vertical replication and horizontal partitioning C.integration and distribution D.partitioning and replication

参考答案和解析
正确答案： C,E
解析： 暂无解析
更多“多选题A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）AStore the data in a vocal variable.BStore the data in an instance variable.CStore the data ”相关问题

  • 第1题：

    Which two statements correctly describe the relation between a data file and the logical databasestructures（）

    • A、An extent cannot spread across data files.
    • B、A segment cannot spread across data files.
    • C、A data file can belong to only one tablespace.
    • D、A data file can have only one segment created in it.
    • E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.

    正确答案:A,C

  • 第2题：

    Which of the following best describes how locks are used in DB2?（）

    • A、To maintain control of updated rows for commit processing
    • B、To ensure only committed changes are altered by another application
    • C、To allow two applications to update the same row of data simultaneously
    • D、To prevent multiple applications from accessing the same data simultaneously

    正确答案:B

  • 第3题：

    A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in athread-safe manner. Which two can support this design goal？（）

    • A、Store the data in a local variable.
    • B、Store the data in an instance variable.
    • C、Store the data in the HttpSession object.
    • D、Store the data in the ServletContext object.
    • E、Store the data in the ServletRequest object.

    正确答案:A,E

  • 第4题：

    A Company.com developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner.  Which two can support this design goal？（）

    • A、 Store the data in a local variable.
    • B、 Store the data in an instance variable.
    • C、 Store the data in the HttpSession object.
    • D、 Store the data in the ServletContext object.
    • E、 Store the data in the ServletRequest object.

    正确答案:A,E

  • 第5题：

    View this parameter setting in your database：   DB_CREATE_FILE_DEST=’D:// /oracle/product/10.2.0/oradata/oracle’  You created a tablespace by using this command：   CREATE TABLESPACE USERS；  Which two statements are true about the USERS tablespace？（）

    • A、The tablespace has two data files.
    • B、An error is reported and tablespace creation fails.
    • C、Data files are created with names generated by the instance.
    • D、The tablespace can be extended without specifying the data file.
    • E、Data files belonging to the USERS tablespace cannot be renamed.

    正确答案:C,D

  • 第6题：

    You design a Business Intelligence （BI） solution by using SQL Server 2008.  You plan to create a SQL Server 2008 Reporting Services （SSRS） solution that contains five sales dashboard reports.  Users must be able to manipulate the reports’ parameters to analyze data. You need to ensure that the following requirements are met： Users can manipulate the parameters for data analysis in a single trip to the data source.  Reports are automatically rendered as soon as they are accessed for the first time. Which two tasks should you perform？（）

    • A、 Filter data by using expressions.
    • B、 Specify the default values for each parameter.
    • C、 Create an available values list for each parameter.
    • D、 Create report parameters by using query parameters to filter data at the data source.

    正确答案:A,B

  • 第7题：

    单选题
    A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files， which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets？（）
    A

    Facade

    B

    View Helper

    C

    Transfer Object

    D

    Intercepting Filter

    E

    Composite Facade


    正确答案： C
    解析： 暂无解析

  • 第8题：

    多选题
    A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in athread-safe manner. Which two can support this design goal？（）
    A

    Store the data in a local variable.

    B

    Store the data in an instance variable.

    C

    Store the data in the HttpSession object.

    D

    Store the data in the ServletContext object.

    E

    Store the data in the ServletRequest object.


    正确答案： B,C
    解析： 暂无解析

  • 第9题：

    多选题
    A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）
    A

    Store the data in a vocal variable.

    B

    Store the data in an instance variable.

    C

    Store the data in the HttpSession object.

    D

    Store the data in the ServletContext object.

    E

    Store the data in the ServletRequest object.


    正确答案： B,E
    解析： 暂无解析

  • 第10题：

    多选题
    Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol?（）
    A

    Summarize data center subnets.

    B

    Use passive interfaces to ensure appropriate adjacencies.

    C

    Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.

    D

    Adjust the default bandwidth value to ensure proper bandwidth on all links.

    E

    Advertise a default summary route into the data center core from the aggregation layer.


    正确答案： E,B
    解析： 暂无解析

  • 第11题：

    多选题
    Which two demonstrate encapsulation of data？ （）
    A

    Member data have no access modifiers.

    B

    Member data can be modified directly.

    C

    The access modifier for methods is protected.

    D

    The access modifier to member data is private.

    E

    Methods provide for access and modification of data.


    正确答案： A,B
    解析： 暂无解析

  • 第12题：

    多选题
    SQ L*Loader is a utility that can perform which two tasks？（）
    A

    Load data from a disk， tape， or named pipes.

    B

    Load data into an Oracle database using DML statements.

    C

    Extract， reorganize， and insert data within an Oracle database.

    D

    Load data from external files into tables in an Oracle database.

    E

    Load data into an Oracle database using operating system commands.

    F

    Load data directly from a non-Oracle database to an Oracle database.


    正确答案： A,E
    解析： 暂无解析

  • 第13题：

    SQ L*Loader is a utility that can perform which two tasks？（）

    • A、Load data from a disk， tape， or named pipes.
    • B、Load data into an Oracle database using DML statements.
    • C、Extract， reorganize， and insert data within an Oracle database.
    • D、Load data from external files into tables in an Oracle database.
    • E、Load data into an Oracle database using operating system commands.
    • F、Load data directly from a non-Oracle database to an Oracle database.

    正确答案:A,D

  • 第14题：

    A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files， which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets？（）

    • A、Facade
    • B、View Helper
    • C、Transfer Object
    • D、Intercepting Filter
    • E、Composite Facade

    正确答案:D

  • 第15题：

    A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）

    • A、 Store the data in a vocal variable.
    • B、 Store the data in an instance variable.
    • C、 Store the data in the HttpSession object.
    • D、 Store the data in the ServletContext object.
    • E、 Store the data in the ServletRequest object.

    正确答案:A,E

  • 第16题：

    Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）

    • A、RAW
    • B、LONG
    • C、VARCHAR
    • D、LONG RAW

    正确答案:B,D

  • 第17题：

    Which tasks can be accomplished using the Enterprise Manager Support Workbench in Oracle Database 11g？（） 

    • A、 Generate reports on data failure such as data file failures.
    • B、 You can track the Service Request （SR） and implement repairs.
    • C、 You can package and upload diagnostic data to Oracle Support.
    • D、 You can manually run health checks to gather diagnostic data for a problem.

    正确答案:B,C,D

  • 第18题：

    多选题
    Which tasks can be accomplished using the Enterprise Manager Support Workbench in Oracle Database 11g？（）
    A

    Generate reports on data failure such as data file failures.

    B

    You can track the Service Request （SR） and implement repairs.

    C

    You can package and upload diagnostic data to Oracle Support.

    D

    You can manually run health checks to gather diagnostic data for a problem.


    正确答案： D,A
    解析： 暂无解析

  • 第19题：

    单选题
    You design a Business Intelligence （BI） solution by using SQL Server 2008. You design a SQL Server 2008 Analysis Services （SSAS） solution. Customer data is stored in the tables named CustomerDetails and CustomerContact. The solution uses the following two data sources from two different servers： ·Contoso that accesses the CustomerDetails table ·ContosoCRM that accesses the CustomerContact table You plan to create a dimension named DimCustomer to analyze customer data. You need to ensure that the DimCustomer dimension represents the tables as a snowflake schema to include attributes from the two tables. What should you do？（）
    A

     Create a data source view named DsvContoso that is associated with the two data sources and add the tables to the data source view.

    B

     Create a data source view named DsvContoso that is associated with the two data sources and create a named query in the data source view to merge the tables.

    C

     Create a data source view named DsvCustomer that is associated with the Contoso data source and add the CustomerDetails table to the data source view.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and add the CustomerContact table to the data source view.

    D

     Create a data source view named DsvCustomer that is associated with the Contoso data source and create a named query in the data source view to select data from the CustomerDetails table.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and create a named query in the data source view to select data from the CustomerContact table.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Your boss at Certkiller .com wants you to clarify Oracle 10g. Which two steps are performed the first time any UPDATE statement is issued after the instance is started？（）
    A

    Creating the parse tree of the statement

    B

    Writing the modified data blocks to the data files

    C

    Writing the modified data to the archived redo log files

    D

    Updating the control file to indicate the most recent checkpoint

    E

    Updating the data file header to indicate the most recent checkpoint

    F

    Reading the blocks to database buffer cache if they are not already there


    正确答案： E,D
    解析： 暂无解析

  • 第21题：

    多选题
    You design a Business Intelligence （BI） solution by using SQL Server 2008.  You plan to create a SQL Server 2008 Reporting Services （SSRS） solution that contains five sales dashboard reports.  Users must be able to manipulate the reports’ parameters to analyze data. You need to ensure that the following requirements are met： Users can manipulate the parameters for data analysis in a single trip to the data source.  Reports are automatically rendered as soon as they are accessed for the first time. Which two tasks should you perform？（）
    A

    Filter data by using expressions.

    B

    Specify the default values for each parameter.

    C

    Create an available values list for each parameter.

    D

    Create report parameters by using query parameters to filter data at the data source.


    正确答案： D,B
    解析： 暂无解析

  • 第22题：

    多选题
    A Company.com developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner.  Which two can support this design goal？（）
    A

    Store the data in a local variable.

    B

    Store the data in an instance variable.

    C

    Store the data in the HttpSession object.

    D

    Store the data in the ServletContext object.

    E

    Store the data in the ServletRequest object.


    正确答案： A,C
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements correctly describe the relation between a data file and the logical database structures（）
    A

    An extent cannot spread across data files.

    B

    A segment cannot spread across data files.

    C

    A data file can belong to only one tablespace.

    D

    A data file can have only one segment created in it.

    E

    A data block can spread across multiple data files as it can consist of multiple operating system （OS）blocks


    正确答案： B,C
    解析： 暂无解析

  • 第24题：

    多选题
    Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）
    A

    RAW

    B

    LONG

    C

    VARCHAR

    D

    LONG RAW


    正确答案： D,B
    解析： 暂无解析

相关内容