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Microsoft UPGRADE: MCAD Skills to MCTS Web Apps Using MS.NET Framework Sample Questions:

1. You work as the developer in an IT company. Recently your company has a client. The client needs a class. Your company asks you to develop a custom-collection class. In this class, a method has to be created. After the method has been created, the method has to return a type. And the type should be compatible with the Foreach statement.
Which criterion should the method meet?

A) The method must return a type of either IEnumerator or IEnumerable.
B) The method must return a type of IComparable.
C) The method must explicitly contain a collection.
D) The method must be the only iterator in the class.

2. You have just graduated from college, now you are serving the internship as the software developer in an international company. A large, n-tier Web application that has a custom event tracking system has been created by you. You have to create a custom event type. The custom event type enables your event tracking system to record all relevant event details for all types of events. The events must be stored in Microsoft SQL Server. From which base type should your custom event type inherit?

A) Your custom event type should inherit from IWebEventCustomEvaluator
B) Your custom event type should inherit from WebAuditEvent
C) Your custom event type should inherit from WebEventProvider
D) Your custom event type should inherit from WebBaseEvent

3. You have just graduated from college, now you are serving the internship as the software developer in an international company. According to the requirements of the company CIO, you are creating a class. The class uses unmanaged resources and maintains references to managed resources on other objects. You must make sure that when the class instance cease to be needed, users of this class can explicitly release resources. what should you do? (choose more than one)

A) You should define the class such that it inherits from the WeakReference class.
B) You should create a Dispose method that calls System.GC.Collect to force garbage collection.
C) You should create a class destructor that calls methods on other objects to release the managed resources.
D) You should define the class such that it implements the IDisposable interface.
E) You should create a Dispose method that releases unmanaged resources and calls methods on other objects to release the managed resources.
F) You should create a class destructor that releases the unmanaged resources.

4. You have just graduated from college, now you are serving the internship as the software developer in an international company. According to the requirements of the company CIO, you??re creating a Web application which displays data by using a GridView control. For the Web application, you drag and drop tables from the Data Connections tree in Server Explorer build Web Forms.
The following is the Add Connection dialog box. (Click the Exhibit button.) You have to use this to add a connection to your data. You have to create the data source objects, so you need to configure the .NET Data Provider that you use to achieve this.
What should you do?

A) You should click the Advanced button, and change the Application Name property to the target provider.
B) You should click the Change button, and change the data provider for the selected data source.
C) You should click the Advanced button, and change the Data Source property to the target provider.
D) You should right-click the connection, and click Properties. Modify the Provider property of the data connection.

5. You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now you are creating a class library according to the customer requirement. The class library contains the class hierarchy defined in the following code segment. (Line numbers are included for reference only.)
1 public class Group {
2 public Employee[] Employees;
3 }
4 public class Employee {
5 public string Name;
6 }
7 public class Manager : Employee {
8 public int Level;
9 }
You create an instance of the Group class then populate the fields of the instance. You receive InvalidOperationException when you use the Serialize method of the XmlSerializer class to serialize the instance. Besides this, you receive the following error message: "There was an error generating the XML document."
In order to successfully use the XmlSerializer class to serialize instances of the Group class, you have to modify the code segment. And you must make sure that the XML output contains an element for all public fields in the class hierarchy.
What should you do?

A) Insert the following code between lines 1 and 2 of the code segment: [XmlArray(ElementName="Employees")]
B) Insert the following code between lines 1 and 2 of the code segment: [XmlElement(Type = typeof(Employees))]
C) Insert the following code between lines 1 and 2 of the code segment: [XmlArrayItem(Type = typeof(Employee))] [XmlArrayItem(Type = typeof(Manager))]
D) Insert the following code between lines 3 and 4 of the code segment: [XmlElement(Type = typeof(Employee))] andInsert the following code between lines 6 and 7 of the code segment: [XmlElement(Type = typeof(Manager))]

Solutions: