单项选择题

Certkiller.com为本地银行开发应用程序。您被指定来创建此应用程序的，并需要存储每个交易记录，这被确定使用复杂交易的标识符，在内存中。银行会通知您交易纪录的总金额将达到每日 200。为了实现这一目标，您决定利用现有.NET 2.0 类库中的一个集合类。您需要确保您选择的集合类是最有效的一个存储事务记录。你应该做什么？（）

A.选择 ListDictionary 集合类
B.选择哈希表集合类
C.选择队列的集合类
D.选择 StringCollection 集合类

相关考题

Youaredevelopinganapplicationthatusesrole-basedsecurity...

单项选择题You are developing an application that uses role-based security. The prinicipal policy of the application domain is configured during startup with the following code：AppDomain.CurrentDomain.SetPrincipalPolicy（PrincipalPolicy.WindowsPrincipal）； You need to restrict access to one of the methods in your application so that only members of the local Administrators group can call the method. Which attribute should you place on the method？（）

A. [PrincipalPermission （SecurityAction.Demand， Name = @"BUILTIN\Administrators"）]
B. [PrincipalPermission （SecurityAction.Demand， Role = @"BUILTIN\Administrators"）]
C. [PrincipalPermission （SecurityAction.Assert， Name = @"BUILTIN\Administrators"）]
D. [PrincipalPermission （SecurityAction.Assert， Role = @"BUILTIN\Administrators"）]

您目前正在审查由其他开发人员创建的应用程序的过程中。您正在检查的应用程序包括声明一个名为 EmployeeLi...

单项选择题您目前正在审查由其他开发人员创建的应用程序的过程中。您正在检查的应用程序包括声明一个名为 EmployeeList，其中存储雇员对象的集合。如下所示：公共类 EmployeeList： Enumerator, IEnumerable{/ / 类实现}您需要的能力来循环访问 EmployeeList，最小的开发工作。你应该做什么？（）

A.利用switch语句
B.利用dowhile语句
C.利用foreach语句
D.使用if语句

YouworkasanapplicationdeveloperatCer-Tech.com.Youareint...

多项选择题You work as an application developer at Cer-Tech.com.You are in the process of creating an application for Cert-Tech.com’s Human Resources department that tracks employee benefits You have to store current employee data without recompiling the application. You elect to store this employee data as a custom section in the application configuration file. The relevant portion of the application configuration file is shown in the following exhibit： What should you do？（）

A. Create a custom section handler class that inherits the ConfigurationSection interface
B. Add a section element to the EmployeeSection element of the application configuration file
C. Create a custom section handler class that implements the IConfigurationSectionHandler interface.
D. Add an EmployeeSection element to the configSections element of the application confguration file
E. Create a custom section handler class that implements the IApplicationSettingsProvider interface
F. Add a section element to the configSections element of the application configuration file

MCPD(70-536)