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Microsoft 070-516 Exam Syllabus Topics:

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

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application.
You use the ADO.NET Entity Framework Designer to model entities.
You need to retrieve an entity, and you must ensure that the entity is loaded in a detached state.
Which MergeOption enumeration value should you use to retrieve the entity?

A) OverwriteChanges
B) NoTracking
C) AppendOnly
D) PreserveChanges

2. You use Microsoft .NET Framework 4.0 to develop an ASP.NET Web application that connects to a
Microsoft SQL Server 2008 database.
The application uses Integrated Windows authentication in Internet Information Services (IIS) to
authenticate users.
A connection string named connString defines a connection to the database by using integrated security.
You need to ensure that a SqlCommand executes under the application pool's identity on the database
server.
Which code segment should you use?

A) using (var conn = new SqlConnection(connString))
{
var cmd = new SqlCommand ("SELECT * FROM BLOG, conn);
conn.Open();
using(HostingEnvironment.Impersonate())
{
var result = cmd.ExecuteScalar();
}
}
B) using (var conn = new SqlConnection())
{
conn.ConnectionString = connString;
var cmd = new SqlCommand("SELECT * FROM BLOG", conn);
using (HostingEnvironment.Impersonate())
{
conn.Open();
}
var result = cmd.ExecuteScalar();
}
C) using (var conn = new SqlConneccion())
{
using (HostingEnvironroent.Impersonate())
{
conn.ConnectionString = connString;
}
var cmd = new SqlCommand("SELECT * FROM BLOG, conn);
conn.Open() ;
var result = cmd.ExecuteScalar();
}
D) using (var conn = new SqlConnection())
{
conn.ConnectionString = connString;
SqlCommand cmd = null;
using (HostingEnvironment.Impersonate())
{
cmd = new SqlCommand("SELECT * FROM BLOG", conn);
}
conn.Open();
var result = cmd.ExecuteScalar();
}

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application. You use the ADO.NET Entity Framework Designer to model entities as shown in the following diagram.

You create an ObjectContext instance named objectContext1 and use it to create a SalesPerson instance
named person1.
You create an ObjectContext instance named objectContext2 and use it to create a SalesTerritory instance
named territory1.
You need to create and persist a relationship between person1 and terrotory1. What should you do?

A) Detach person1 from objectContext1. Detach territory1 from objectContext2. Set the SalesTerritory property of person1 to territory1. Call Refresh on both objectContext1 and objectContext2.
B) Detach person1 from objectContext1. Attach person1 to objectContext2. Set the SalesTerritory property of person1 to territory1. Call SaveChanges on objectContext2.
C) Attach person1 to objectContext2. Detach territory1 from objectContext2. Set the SalesTerritory property of person1 to territory1. Call Refresh on objectContext1.
D) Attach person1 to objectContext2. Attach territory1 to objectContext1. Set the SalesTerritory property of person1 to territory1. Call SaveChanges on both objectContext1 and objectContext2.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use the ADO.NET Entity Framework to model your entities.
The application connects to a Microsoft SQL Server 2008 database named AdventureWorks by using
Windows Authentication.
Information about the required Entity Data Model (EDM) is stored in the following files:
-model.csdl
-model.ssdl
-model.msl
These files are embedded as resources in the MyCompanyData.dll file.You need to define the connection
string
that is used by the application. Which connection string should you add to the app.config file?

A) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.ssdl| res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.msl; provider=System.Data.SqlClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=True;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>
B) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl
res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/model.ssdIl
res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/model.msl;
provider=System.Data.OleDBClient;
provider connection string='Provider=sqloledb;DataSource=localhost;Initial
Catalog=AdventureWorks;lntegrated Security=SSPI;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>
C) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Datamodel.csdl| res://MyCompany.Data.model.ssdl| res://MyCompany.Data.model.msl; provider=System.Data.SqlClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=SSPI;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>
D) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.ssdl| res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.msl; provider=System.Data.EntityClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=True;multipleactivesuitsets=true'"
providerName="System.Data.SqlClient"/>

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

Solutions: