70-547CSharp Exam

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Exam : Microsoft 70-547CSharp
Title : PRO:Design and Develop Web-Basd Apps by Using MS.NET Frmwk


1. You create Web-based applications. You are creating an Internet banking application. The application will be used by bank account holders.
You are creating a method to withdraw money from an account. The method must change the account balance according to one of the following rules:
·If the amount that is being withdrawn is less than or equal to the account balance, then subtract the amount from the balance.
·If the amount that is being withdrawn is greater than the account balance by up to 500 dollars, then subtract the amount and a 35-dollar fee from the balance.
·If the amount that is being withdrawn is greater than the account balance by more than 500 dollars, then generate an error.
You are translating the specification given here into pseudo code. You start by writing the following code.
Method
public void Withdraw
Input parameters
decimal amount
Class field
decimal balance
Pseudo code
//your pseudo code
You need to insert the correct pseudo code.
Which code segment should you insert?
A. If amount < balance then balance - = amount
If amount < balance + 500 then balance = balance - (amount + 35)
If amount > balance + 500 then throw exception
B. If amount <= balance then balance - = amount
If amount <= balance + 500 then balance = balance - (amount + 35)
If amount > balance + 500 then throw exception
C. If amount < balance then balance - = amount
Else If amount < balance + 500 then balance = balance - (amount + 35)
Else throw exception
D. If amount <= balance then balance - = amount
Else If amount <= balance + 500 then balance = balance - (amount + 35)
Else throw exception
Answer: D

2. You create Web-based client applications. You deploy an application on the company extranet. The sales team requires notification when an order total exceeds the company's approval levels.
The application requires you to send an e-mail to the sales manager to receive approval for any order over $100,000. You must meet the following constraints to achieve this requirement:
·Modifications can be done only to the Web.config file
·Limited programmer resources
·System can be configured as needed at multiple sites
The design team plans to use the SimpleMailWebEventProvider class of the health monitoring APIs to send the e-mail.
You need to evaluate whether the design meets the requirement.
What should you recommend?
A. The design meets the requirement.
B. The design does not meet the requirement. Though there is a built-in event handler to process all errors, you need to write a custom provider to send e-mail to the sales manager.
C. The design does not meet the requirement. You need to write a custom event handler to respond to an application specific trigger. You can use a built-in provider to send e-mail to the sales manager.
D. The design does not meet the requirement. You need to write a custom event handler to respond to an application specific trigger. You need a custom provider to write e-mail to the sales manager.
Answer: C

3. You create Web-based client applications. You create a class library that is named Fabrikam.dll. Ten applications will use Fabrikam.dll.
Fabrikam.dll contains two classes that are named Order and OrderDetail. The class library must meet the following requirements:
·Both the classes in Fabrikam.dll are available to client applications of Fabrikam.dll.
·Each instance of the OrderDetail class is associated with an instance of the Order class.
·Code segments in client applications do not instantiate the OrderDetail class.
·The OrderDetail class contains no static members.
You need to design the interface for the OrderDetail class.
Which code segment should you choose?
A. public sealed class OrderDetail {
internal OrderDetail(){
...
}
}
B. internal sealed class OrderDetail {
internal OrderDetail() {
...
}
}
C. public sealed class OrderDetail {
public OrderDetail() {
...
}
}
D. public sealed class OrderDetail {
private OrderDetail() {
...
}
}
Answer: A

4. You create components for Web-based client applications. You are creating a BankAccount class.
The BankAccount class contains an AccountNumber property and a CreateAccount method. The CreateAccount method is used to create a new account. The method generates a unique random value for the actNumber field.
You need to ensure that the BankAccount class is extendable, and that it serves as the base class for other derived classes. You also need to ensure that each derived class can have its own guidelines to generate account numbers in the CreateAccount method.
Which code segment should you use?
A. public class BankAccount {
protected long actNumber;
public long AccountNumber {
get {
return actNumber;
}
}
public virtual BankAccount CreateAccount() {
...
}
}
B. public class BankAccount {
private long actNumber;
public long AccountNumber {
get {
return actNumber;
}
}
public virtual BankAccount CreateAccount() {
...
}
}
C. public class BankAccount {
protected long actNumber;
public long AccountNumber {
get {
return actNumber;
}
}
public BankAccount CreateAccount() {
...
}
}
D. public class BankAccount {
private long actNumber;
public long AccountNumber {
get {
return actNumber;
}
}
public BankAccount CreateAccount() {
...
}
}
Answer: A

5. You create Web-based client applications. You are creating a class named Product. The Product class will be used by a Web-based application to retrieve and modify product information.
When you create an instance of the Product class, you retrieve the current information from the Products table. The Product class contains a static member named CreateNewProduct. The CreateNewProduct method is used to add a new product to the database and return the primary key. The Products table contains the following fields:
·ProductID (primary key)
·ProductName
·Description
·CategoryID
·CurrentPrice
You need to create the constructor for the Product class.
Which code segment should you use?
A. public Product(int ProductID, string ProductName, string Description, int CategoryID, decimal CurrentPrice) {
...
}
B. public Product(int ProductID, string ProductName) {
...
}
C. public Product() {
...
}
D. public Product(int ProductID) {
...
}
Answer: D