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Microsoft 70-516 Exam Syllabus Topics:

Microsoft TS: Accessing Data with Microsoft .NET Framework 4 Sample Questions:

1. You use Microsoft .NET Framework 4 to develop an application that connects to a Microsoft SQL Server
2008 database.
The database contains a ClassStudent table that contains the StudentID for students who are enrolled in
the classes.
You add the following stored procedure to the database.
CREATE PROCEDURE [dbo].[GetNumEnrolled] @ClassID INT, @NumEnrolled INT OUTPUT
AS BEGIN SET NOCOUNT ON SELECT @NumEnrolled = COUNT(StudentID)
FROM ClassStudent
WHERE (ClassID = @ClassID)
END
You write the following code. (Line numbers are included for reference only.)
01 private int GetNumberEnrolled(string classID)
02 {
03 using (SqlConnection conn = new SqlConnection(GetConnectionString())
04 {
05 SqlCommand cmd = new SqlCommand("GetNumEnrolled", conn);
06 cmd.CommandType = CommandType.StoredProcedure;
07 SqlParameter parClass = cmd.Parameters.Add("@ClassID", SqlDbType.Int,
4, "classID");
08 SqlParameter parNum = cmd.Parameters.Add("@NumEnrolled",
SqlDbType.Int);
09 ...
10 conn.Open()
11 ...
12 }
13 }
You need to ensure that the GetNumberEnrolled method returns the number of students who are enrolled
for a specific class.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Insert the following code at line 11.
cmd.ExecuteNonQuery();
return (int)parNum.Value;
B) Insert the following code at line 09.
parNum.Direction = ParameterDirection.Input;
C) Insert the following code at line 09.
parNum.Direction = ParameterDirection.Output;
D) Insert the following code at line 11.
int numEnrolled = 0;
SqlDataReader reader = cmd.ExecuteReader();
while(reader.Read())
{
numEnrolled = numEnrolled + (int)cmd.Parameters["@NumEnrolled"].Value; } return numEnrolled;

2. You use Microsoft Visual Studio 2010 to create a Microsoft .NET Framework 4.0 application. You create an Entity Data Model for the database tables shown in the following diagram.

You need to modify the .edmx file so that a many-to-many association can exist between the Address and
Customer entities.
Which storage Model section of the .edmx file should you include?

A) <EntityType Name="CustomerAddress">
<Key>
<PropertyRef Name="CustomerID" />
<PropertyRef Name="AddressID" />
</Key>
<Property Name="CustomerID" Type="int" Nullable="false"/>
<Property Name="AddressID" Type="int" Nullable="false"/>
<Property Name="AddressType" Type="nvarchar" Nullable="false" MaxLength="50" />
</EntityType>
B) <EntityType Name="CustomerAddress"> <Key>
<PropertyRef Name="CustomerAddressID" /> </Key> <Property Name="CustomerAddressID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" /
>
<Property Name="CustomerID" Type="int" Nullable="false"/>
<Property Name="AddressID" Type="int" Nullable="false" />
<Property Name="AddressType" Type="nvarchar" Nullable="false" MaxLength="50"/>
</EntityType>
C) <EntityType Name="CustomerAddress">
<Key>
<PropertyRef Name="CustomerID" />
<PropertyRef Name="AddressID" />
</Key>
<Property Name="CustomerID" Type="int" Nullable="false" />
<Property Name="AddressID" Type="int" Nullable="false" />
<Property Name="AddressType" Type="nvarchar" Nullable="false" MaxLength="50"
DefaultValue="Home" />
</EntityType>
D) <EntityType Name="CustomerAddress">
<Key>
<PropertyRef Name="CustomerAddressID" />
<PropertyRef Name="CustomerID" />
<PropertyRef Name="AddressID" />
</Key>
<Property Name="CustomerAddressID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" /
>
<Property Name="CustomerID" Type="int" Nullable="false"/>
<Property Name="AddressID" Type="int" Nullable="false"/>
<Property Name="AddressType" Type="nvarchar" Nullable="false" MaxLength="50"/>
</EntityType>

3. You use Microsoft Visual Studio 2010 and .NET Framework 4.0 to develop an application that uses the Entity Data Model for the fallowing database tables.

You need to ensure that the entity that is mapped to the ContectTypeDerived table derives from the entity that is mapped to the ContentTypeBase table. What should you do?

A) Create a complect type for each entity.
B) Create a function import for each entity.
C) Use a Table-Per-Type mapping method.
D) Use a Table-Per-Hierarchy mapping method.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to develop an application. A file named books.xml contains the following XML.
<bib>
<book title="Programming in Unix" year="1992">
<author>Author1</author>
<author>Author2</author>
<author> Author 3 </author>
</book> </bib>
The application must generate an XML result that contains an XML element named BookTitle for each
book. The text content of the element must contain the title of the book.
You need to create a query that generates the new XML result. What should you do?

A) XDocument document = XDocument.Load("books.xml");
var query = from node in document.Descendants()
where node.Name.LocalName == "book"
select new XElement("BookTitle", node.FirstAttribute.Value);
B) XDocument document = XDocument.Load("books.xml");
var query = from node in document.Descendants()
where node.Name.LocalName == "book"
select new XElement("BookTitle").Value = node.FirstAttribute.Value;
C) XDocument document = XDocument.Load("books.xml");
var query = from node in document.DescendantNodes()
where node.ToString() == "book"
select new XElement("BookTitle", node.ToString());
D) XDocument document = XDocument.Load("books.xml");
var query = from node in document.DescendantNodes()
where node.ToString() == "book"
select new XText("BookTitle" + node.ToString());

5. 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. You add the following store procedure
to the database.
CREATE PROCEDURE GetProducts AS BEGIN
SELECT ProductID, Name, Price, Cost FROM Product END
You create a SqlDataAdapter named adapter to execute the stored procedure. You need to fill a DataTable
instance with the first 10 rows of the result set.
What are two possible code segments that you can use to achieve the goal?

A) DataSet ds = new DataSet(); ds.ExtendedProperties["RowCount"] = 10; ds.ExtendedProperties["RowIndex"] = 0; adapter.Fill(ds);
B) DataSet ds = new DataSet(); DataTable dt = ds.Tables.Add("Product"); dt.ExtendedProperties["RowCount"] = 10; dt.ExtendedProperties["RowIndex"] = 0; adapter.Fill(dt);
C) DataSet ds = new DataSet(); adapter.Fill(ds, 0, 10, "Product");
D) DataSet ds = new DataSet(); DataTable dt = ds.Tables.Add("Product"); adapter.Fill(0, 10, dt);

Solutions: