In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called （）...

第1题

[单选题] You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. The number of items of the data-bound collection is fixed. However, users can modify the properties of each of the Product objects in the collection. You need to ensure that changes made on the Product objects are automatically reflected in the ListBox control. What should you do?（）

A、Implement the INotifyPropertyChanged interface in the Product class. B、Implement the INotifyCollectionChanged interface in the ProductList class. C、Set the Mode property of the Binding object of the ListBox control to TwoWay. D、 Set the UpdateSourceTrigger property of the Binding object of the ListBox control to PropertyChanged.

点击查看答案

第2题

[单选题] You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （）

A、 Implement the INotifyPropertyChanged interface in the Product class. B、 Implement the IQueryable<Product> interface in the ProductList class. C、 Extend the DependencyObject class in the Product class. D、Extend the ObservableCollection<Product> class in the ProductList class.

点击查看答案

第3题

[单选题] Production of mechanical foam by a portable in-line foam proportioner（）.

A、increases the size of foam bubbles formed B、increases the rate of foam production C、improves the extinguishing properties of foam D、gives the nozzleman more freedom of movement，since it can be placed anywhere in the hose line

点击查看答案

第4题

[] You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（） You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the product

A、A. Open the database in NORMAL mode B、B. Open the database in read-only mode C、C. Open the database in RESTRICTED mode D、D. Open the database with the RESETLOGS option

点击查看答案

第5题

[] You are responsible for administering the Production OU. You are assigned the Allow - Full Control permission for the OU. All computer objects in the Production OU are administered by another administrator named Tom. The Production OU contains the computer account for a Windows Server 2003 computer named Testking1. Tom submits a list of configuration settings that he wants to apply to Testking1 by means of a Group Policy object (GPO). A GPO that contains Tom's required settings is created in another OU by the domain administrator. You only want to allow Tom to link existing GPOs to the Production OU. He must not have any more rights than he needs to perform the required tasks. What should you do?（） You are responsible for administering the Production OU. You are assigned the Allow - Full Control permission for the OU. All computer objects in the Production OU are administered by another administrator named Tom. The Production OU contains the computer acco

A、A. Add Tom's user account to the Group Policy Creator Owners group in the domain. B、B. Run the Delegation of Control Wizard and assign Tom's user account the Allow - Manage group policy links permission for the Production OU. C、C. Run the Delegation of Control wizard and assign Tom's user account the Allow - Change permission for the Production OU. D、D. Run the Delegation of Control wizard and assign Tom's user account the Allow - Apply group policy permission for all GPOs that are linked to the Production OU.

点击查看答案

第6题

[单选题] The most important features in the growth of American economy in the early 20th cenruty were（）

A、the use of steam and electricity as chief energy,the development of lare corporation and the development of railway B、the development of large corporation,urbanization and the employment in production of new technology C、the appearance of airplane,the use of electricity on a large scale and urbanization D、the rapid development of industry,railway and large cities

点击查看答案

第7题

[单选题] The performance of the contracted product should be （） the technical specifications stipulated in the contract.

A、in compliance to B、in conformity with C、in accordance to D、with respect to

点击查看答案

第8题

[多选题] You are developing a Web application to display products. Products are displayed on different pages on your Web site. You want to create a user control to manage the display of products. You need a default visual implementation of the UI of the user control. In addition, you need to provide developers with the flexibility to change the layout and controls of the UI. Which three actions should you perform? （）

A、Apply the TemplateContainerAttribute to a property of type ITemplate. Pass the type of the template's naming container as the argument to the attribute. B、Apply the TemplateContainerAttribute to the user control's class declaration. C、Implement a property of type INamingContainer in the user control's code-behind class. D、Implement a property of type ITemplate in the user control's code-behind class. E、Define a new class that inherits from the ITemplate interface. Implement the InstantiateIn method of the ITemplate interface.

点击查看答案

第9题

[多选题] You are developing a Web application to display products. Products are displayed on different pages on your Web site. You want to create a user control to manage the display of products. You need a default visual implementation of the UI of the user control. In addition, you need to provide developers with the flexibility to change the layout and controls of the UI. Which three actions should you perform?（）

A、Apply the TemplateContainerAttribute to a property of type ITemplate. Pass the type of the template's naming container as the argument to the attribute. B、Apply the TemplateContainerAttribute to the user control's class declaration. C、Implement a property of type INamingContainer in the user control's code-behind class. D、Implement a property of type ITemplate in the user control's code-behind class. E、Define a new class that inherits from the ITemplate interface. Implement the InstantiateIn method of the ITemplate interface.

点击查看答案

In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called （）.

请使用微信扫码支付