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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 create an application.
You use a TableAdapter object to load a DataTable object.
The DataTable object is used as the data source for a GridView control to display a table of customer
information on a Web page.
You need to ensure that the application meets the following requirements:
-Load only new customer records each time the page refreshes.
-Preserve existing customer records. What should you do?

A) Set the ClearBeforeFill property of the TableAdapter to false. Use the Fill method of the TableAdapter.
B) Set the ClearBeforeFill property of the TableAdapter to true. Use the GetData method of the TableAdapter to create a new DataTable.
C) Set the ClearBeforeFill property of the TableAdapter to false. Use the GetData method of the TableAdapter to create a new DataTable.
D) Set the ClearBeforeFill property of the TableAdapter to true. Use the Fill method of the TableAdapter to load additional customers.

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application contains following XML document.
<feed> <title>Products</title> <entry>
<title>Entry title 1</title>
<author>Author 1</author>
<content>
<properties>
<description>some description</description>
<notes>some notes</notes>
<comments>some comments</comments>
</properties>
</content>
</entry>
...
</feed>
You plan to add localization features to the application. You add the following code segment. (Line numbers are included for reference only.)
01 public IEnumerable <XNode> GetTextNodesForLocalization(XDocument doc) 02 {
03 ...
04 return from n in nodes
05 where n.NodeType = XmlNodeType.Text
06 select n;
07 }
You need to ensure that the GetTextNodeForLocalization method returns all the XML text nodes of the XML
document.
Which code segment should you inser at line 03?

A) IEnumerable <XNode> nodes = doc.Nodes();
B) IEnumerable <XNode> nodes = doc.DescendantNodes();
C) IEnumerable <XNode> nodes = doc.NodesAfterSelf();
D) IEnumerable <XNode> nodes = doc.Descendants();

3. The application must provide a component part list for any product. The component part list must give the
quantity of
each distinct part that is required to manufacture that product.
You need to create a LINQ expression that delivers a a result of type IEnumerable<Tuple<int,Part>> to
meet the requirements.
Which expression should you use?

A) IEnumerable<Tuple<int, Part>> result = part.Descendants .ToDictionary(c => c) .Select(d => Tuple.Create(d.Value.Children.Count(), d.Key));
B) IEnumerable<Tuple<int, Part>> result = part.Descendants .Distinct() .GroupBy(p => p) .Select(g => Tuple.Create(g.Count(), g.Key));
C) IEnumerable<Tuple<int, Part>> result = part.Children .GroupBy(p => p) .Select(g => Tuple.Create(g.Count(), g.Key));
D) IEnumerable<Tuple<int, Part>> result = part.Descendants .GroupBy(p => p) .Select(g => Tuple.Create(g.Count(), g.Key));
E) IEnumerable<Tuple<int, Part>> result = part.Children .Distinct() .GroupBy(p => p) .Select(g => Tuple.Create(g.Count(), g.Key));

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application that
uses LINQ to SQL.
You create a data model name AdvWorksDataContext, and you add the Product table to the data model.
The Product table contains a decimal column named ListPrice and a string column named Color.
You need to update ListPrice column where the product color is Black or Red. Which code segment should
you use?

A) AdvWorksDataContext dc = new AdvWorksDataContext("..."); var prod = from p in dc.Products
select p;
var list = prod.ToList();
foreach(Product product in list){
if((product.Color == "Black) && (product.Color == "Red")){
product.ListPrice = product.StandardCost * 1.5M;
}
}
dc.SubmitChanges();
B) AdvWorksDataContext dc = new AdvWorksDataContext("...");
var prod = from p in dc.Products
where p.Color == "Black, Red"
select p;
foreach(var product in prod){
product.ListPrice = product.StandardCost * 1.5M;
}
dc.SubmitChanges();
C) AdvWorksDataContext dc = new AdvWorksDataContext("..."); var prod = from p in dc.Products
select p;
var list = prod.ToList();
foreach(Product product in list){
if(product.Color == "Black, Red"){
product.ListPrice = product.StandardCost * 1.5M;
}
}
dc.SubmitChanges();
D) string[] colorList = new string[] {"Black", "Red"}; AdvWorksDataContext dc = new AdvWorksDataContext(); var prod = from p in dc.Products
where colorList.Contains(p.Color)
select p;
foreach(var product in prod){
product.ListPrice = product.StandardCost * 1.5M;
}
dc.SubmitChanges();

5. You use Microsoft .NET framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database named AdventureWorksLT.
The database resides on an instance named INSTA on a server named SQL01.
You need to configure the application to connect to the database. Which connection string should you add
to the .config file?

A) Data Source=SQL01; Initial Catalog=INSTA; Integrated Security=true; Application Name=AdventureWorksLT;
B) Data Source=SQL01\INSTA; Initial Catalog=AdventureWorksLT; Integrated Security=true;
C) Data Source=AdventureWorksLT; Initial Catalog=SQL01\INSTA; Integrated Security=true;
D) Data Source=SQL01; Initial Catalog=AdventureWorksLT; Integrated Security=true; Application Name=INSTA;

Solutions: