Microsoft 70-516-CSHARP exam study materials

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Exam Code: 70-516-CSHARP

Exam Name: Microsoft (TS: Accessing Data with Microsoft .NET Framework 4)

70-516-CSHARP (TS: Accessing Data with Microsoft .NET Framework 4) Free Demo Download: http://www.it-tests.com/70-516-CSHARP.html

NO.1 You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an
application. The application contains the following code segment. (Line numbers are included
for reference only.)
01 class DataAccessLayer
02 {
03 private static string connString;
04
05 ...
06 public static DataTable GetDataTable(string command){
07
08 ...
09 }
10 }
You need to define the connection life cycle of the DataAccessLayer class. You also need to
ensure that the application uses the minimum number of connections to the database. What
should you do?
A. Insert the following code segment at line 04.
private static SqlConnection conn = new SqlConnection(connString);
public static void Open(){
conn.Open();
}
public static void Close(){
conn.Close();
}
B. Insert the following code segment at line 04.
private SqlConnection conn = new SqlConnection(connString);
public void Open(){ conn.Open(); } public void Close(){ conn.Close();
}
C. Replace line 01 with the following code segment. class DataAccessLayer : IDisposable
Insert the following code segment to line 04.
private SqlConnection conn = new SqlConnection(connString);
public void Open(){
conn.Open();
}
public void Dispose(){
conn.Close();
}
D. Insert the following code segment at line 07.
using (SqlConnection conn = new SqlConnection(connString)){
conn.Open();
}
Answer: D

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NO.2 You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows
Communication Foundation (WCF) Data Services service. The service connects to a Microsoft
SQL Server 2008 database. The service is hosted by an Internet Information Services (IIS) 6.0
Web server. The application works correctly in the development environment. However, when
you connect to the service on the production server, attempting to update or delete an entity
results in an error. You need to ensure that you can update and delete entities on the production
server. What should you do?
A. Add the following line of code to the
InitializeService method of the service.
config.SetEntitySetAccessRule
("*",EntitySetRights.WriteDelete | EntitySetRights.WriteInsert);
B. Add the following line of code to the
InitializeService method of the service.
config.SetEntitySetAccessRule
("*",EntitySetRights.WriteDelete | EntitySetRights.WriteMerge);
C. Configure IIS to allow the PUT and DELETE verbs for the .svc Application Extension.
D. Configure IIS to allow the POST and DELETE verbs for the .svc Application Extension.
Answer: C

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NO.3 You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows
Communication Foundation (WCF) Data Services service. You discover that when an
application submits a PUT or DELETE request to the Data Services service, it receives an
error. You need to ensure that the application can access the service. Which header and request
type should you use in the application?
A. an X-HTTP-Method header as part of a POST request
B. an X-HTTP-Method header as part of a GET request
C. an HTTP ContentType header as part of a POST request
D. an HTTP ContentType header as part of a GET request
Answer: A

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