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Exam
: Microsoft 70-320
Title
: DEV XML WEB
SERV&SER COMP
W/MS
C#.NET&MS.NET
FRAMEWORK
Version : Demo
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1. You have a strongly typed DataSet object named myDataSet. This object contains three DataTable
objects named Customers, Orders, and OrderDetails.
Customers and Orders have a data column named CustomerID. Orders and OrderDetails have a data
column named OrderID.
Orders has a foreign key constraint between Customers and Orders on CustomerID. OrderDetails has a
foreign key constraint between Orders and OrderDetails on OrderID.
You want to populate Customers, Orders, and OrderDetails with data from a Microsoft SQL Server
database.
In which order should you fill the DataTable objects?
A. Customers
OrderDetails
Orders
B. OrderDetails
Orders
Customers
C. Customers
Orders
OrderDetails
D. Orders
OrderDetails
Customers
Answer: C
2. You create an XML Web service that retrieves data from a Microsoft SQL Server database. You
instantiate a SqlConnection object named myConnection and set the Max Pool Size property of the
connectionString to 50.
All 50 connections are now in use. However, a request for connection number 51 is received.
What is the most likely result?
A. An exception is immediately thrown.
B. The current connection pool is expanded by 50 additional connections.
C. A new connection pool is created that has the same maximum number of connections.
D. The request is queued until a connection becomes available or until the timeout limit is reached.
Answer: D
3. You are developing an order-processing application that retrieves data from a Microsoft SQL Server
database. The database contains a table named Customers and a table named Orders.
Customers has a primary key of CustomerID. Each row in Orders has a CustomerID that indicates which
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