070-483 무료 덤프문제 온라인 액세스

You have a C# application named Application that contains the following code:

The customer object is populated with data.
You need to create LINQ query that will group Customer objects by the letter of the customer last named. The query must return objects.
How should you complete the LINQ query? To answer, select the appropriate options in the answer area.
NOTE: Each correct slection is worth one point.

정답:

You are developing an application that will populate an extensive XML tree from a Microsoft SQL Server 2008 R2 database table named Contacts.
You are creating the XML tree. The solution must meet the following requirements:
* Minimize memory requirements.
* Maximize data processing speed.
You open the database connection. You need to create the XML tree.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

정답:

Explanation:
The second box should be XElement and not the XAttribute as contacts, as you cannot have XElement as a child of an XAttribute.

You are developing an application in C#.
You need to write a custom event to the Windows application log.
You have the following code.

정답:

You have the following code (line numbers are included for reference only):

You need to identify the missing line of code at line 15. Which line of code should you identify?

• A.while (fooSqlReader.GetBoolean(0))
• B.while (fooSqlReader.NextResult())
• C.while (fooSqlReader.Read())
• D.using (fooSqlConn.BeginTransaction())

You have the following C# code. (Line mambers are included for reference only.)

What is the output of line 06?

• A.Option D
• B.Option B
• C.Option A
• D.Option C