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最新的 MCTS 070-516 免費考試真題:

1. You have been assigned the task of writing code that executes an Entity SQL query that returns entity type
objects that contain a property of a complex type.
(Line numbers are included for reference only.)
01 using (EntityCommand cmd = conn.CreateCommand())
02 {
03 cmd.CommandText = esqlQuery;
04 EntityParameter param = new EntityParameter();
05 param.ParameterName = "id";
06 param.Value = 3;
07 cmd.Parameters.Add(param);
08 using (EntityDataReader rdr = cmd.ExecuteReader
(CommandBehavior.SequentialAccess))
09 {
10 while (rdr.Read())
11 {
12 ...
13 Console.WriteLine("Email and Phone Info:");
14 for (int i = 0; i < nestedRecord.FieldCount; i++)
15 {
16 Console.WriteLine(" " + nestedRecord.GetName(i) + ": " +
nestedRecord.GetValue(i));
17 }
18 }
19 }
20 }
Which code segment should you insert at line 12?

A) DbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
B) DbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"] as DbDataRecord;
C) DataSet nestedRecord = rdr["EmailPhoneComplexProperty"] as ComplexDataSet
D) ComplexDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application connects to a Microsoft SQL Server 2008 database. The database includes a table that
contains information about all the employees.
The database table has a field named EmployeeType that identifies whether an employee is a Contractor or
a Permanent employee.
You declare the Employee entity base type. You create a new Association entity named Contractor that
inherits the Employee base type.
You need to ensure that all Contractors are bound to the Contractor class. What should you do?

A) Use the Entity Data Model Designer to set up a referential constraint between the primary key of the Contractor class and EmployeeType.
B) Modify the .edmx file to include the following line of code: <NavigationProperty Name="Type" FromRole="EmployeeType" ToRole="Contractor" />
C) Use the Entity Data Model Designer to set up an association between the Contractor class and EmployeeType.
D) Modify the .edmx file to include the following line of code: <Condition ColumnName="EmployeeType" Value="Contractor" />

3. You use Microsoft Visual Studio 2010, Microsoft Sync Framework, and Microsoft .NET Framework 4.0 to
create an application.
You have a ServerSyncProvider connected to a Microsoft SQL Server database. The database is hosted on
a Web server.
Users will use the Internet to access the Customer database through the ServerSyncProvider.
You write the following code segment. (Line numbers are included for reference only.)
01 SyncTable customerSyncTable = new SyncTable("Customer");
02 customerSyncTable.CreationOption =
TableCreationOption.UploadExistingOrCreateNewTable;
03 ...
04 customerSyncTable.SyncGroup = customerSyncGroup;
05 this.Configuration.SyncTables.Add(customerSyncTable);
You need to ensure that the application meets the following requirements:
-Users can modify data locally and receive changes from the server.
-Only changed rows are transferred during synchronization. Which code segment should you insert at line 03?

A) customerSyncTable.SyncDirection = SyncDirection.Snapshot;
B) customerSyncTable.SyncDirection = SyncDirection.DownloadOnly;
C) customerSyncTable.SyncDirection = SyncDirection.Bidirectional;
D) customerSyncTable.SyncDirection = SyncDirection.UploadOnly;

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server 2008 database. You add the following table to the database.
CREATE TABLE ObjectCache ( Id INT IDENTITY PRIMARY KEY, SerializedObjectData XML)
You write the following code segment to retreive records from the ObjectCache table. (Line numbers are included for reference only.)
01 string s = GetConnectionStringFromConfigFile("xmldb");
02 using (SqlConnection conn = new SqlConnection(s))
03 using (SqlCommand cmd = new SqlCommand("select * from ObjectCache",
conn))
04 {
05 conn.Open();
06 SqlDataReader rdr = cmd.ExecuteReader();
07 while(rdr.Read())
08 {
09 ...
10 DeserializeObject(obj);
11 }
12 }
You need to retreive the data from the SerializedObjectData column and pass it to a method named
DeserializeObject.
Which line of code should you insert at line 09?

A) XmlReader obj = (XmlReader)rdr[1];
B) Type obj = (Type)rdr[1];
C) String obj = (String)rdr[1];
D) SByte obj = (SByte)rdr[1];

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application uses the ADO.NET Entity Framework to model entities.
The application allows users to make changes while disconnected from the data store.
Changes are submitted to the data store by using the SubmitChanges method of the DataContext object.
You receive an exception when you call the SubmitChanges method to submit entities that a user has
changed in offline mode.
You need to ensure that entities changed in offline mode can be successfully updated in the data store.
What should you do?

A) Set the ObjectTrackingEnabled property of DataContext to true.
B) Call the SaveChanges method of DataContext with a value of false.
C) Call the SubmitChanges method of DataContext with a value of System.Data.Linq.ConflictMode.ContinueOnConflict.
D) Set the DeferredLoadingEnabled property of DataContext to true.

問題與答案：