Deck 7

Question 1

Which describes the characteristic of the interoperability of the .NET Framework?

Answer 1

Handles exceptions consistently across languages.

Question 2

You are creating an application using .NET Framework 4.0. The application uses an instance of the short type. Which of the following values can be stored in the instance of the short type? Each correct answer represents a complete solution. Choose all that apply.

Answer 2

-32,768 to 32,767 can be used as a short type.

Question 3

You are creating an application using .NET Framework 4.0. You need to provide standard parameters for an event handler delegate. Which of the following are standard parameters for the event handler delegate? Each correct answer represents a complete solution. Choose all that apply.

Answer 3

Object
—–AND—–
EventArgs

Question 4

Allen is creating an application using .NET Framework 4.0. What structure will he use to handle exceptions in the application?

Answer 4

Try-catch

Question 5

Which of the following is an accurate description of generics?

Answer 5

A class using placeholders for one or more of the types it uses

Question 6

What are the steps required to read text from a file?

Answer 6

using System.IO;
StreamReader sr = new StreamReader("TestFile.txt");
String line;
While(line = sr.ReadLine() != Null)
{
   Console.WriteLine(line);
}
sr.Close();

Question 7

Which element is NOT required if you need a custom class to raise an event?

Answer 7

A method to add an event handler

Question 8

Which class is used to write primitive types in binary to a stream and supports writing strings in a specific encoding?

Answer 8

BinaryWriter class

Question 9

Which class is a byte of data that reads and writes from and to a disk?

Answer 9

Stream class

Question 10

Namespaces are used a lot in C# programming in two ways. What are those two ways? Each correct answer represents a part of the solution. Choose two.

Answer 10

Declaring your own namespaces
—–AND—–
The .NET Framework uses namespaces to organize its many classes

Question 11

You are creating an application using .NET Framework 4.0. You need to use a last-in collection in the application. Which of the following is a last-in, first-out collection?

Answer 11

Stack

Question 12

How is an XmlWriter object useful when writing XML data to XML documents? Each correct answer represents a complete solution. Choose all that apply.

Answer 12

It ensures that an XML document is well-formed.
—–AND—–
It allows XML values to be passed as parameters by using CLR types instead of using strings.
—–AND—–
It ensures that XML characters are legal and contains valid element and attribute names.

Question 13

What are the benefits of asymmetric key cryptography? Each correct answer represents a complete solution. Choose all that apply.

Answer 13

Asymmetric algorithms provide a key revocation mechanism.
—–AND—–
The same key pair is required to have effective communication with all the users of the asymmetric cryptosystem.

Question 14

How will you define a default value, Yellow, for a simple element of the XML schema?

Answer 14

xs:element name-“ColorName” type=”xs:string” default=”Yellow”/

Question 15

What is the major advantage of using class libraries?

Answer 15

Easy to organize and maintain your project.

Question 16

You are creating an application using .NET Framework 4.0. You need to run numerous lines of code after the application runs, regardless of whether or not an exception occurred. Which type of block can you use to implement this?

Answer 16

Managed handler

Question 17

Which method is used to initiate a cleanup of a heap?

Answer 17

Collect

Question 18

Which of the following is a means of keeping information a secret and thus protecting the confidentiality, authenticity, and integrity of information?

Answer 18

Cryptography

Question 19

What are the steps required to use the BufferedStream class?

Answer 19

What are the steps required to use the BufferedStream class?
FileStream fs = File.Create(@"d:\temp\test.doc");
BufferedStream bs = new BufferedStream(fs);
StreamWriter sw = new StreamWriter(bs); 
sw.WriteLine("Hello Everybody")

Question 20

What are the benefits of a strong-named assembly? Each correct answer represents a complete solution. Choose all that apply.

Answer 20

It guarantees the uniqueness of a name.
—–AND—–
It ensures that subsequent versions cannot be produced.