70-483 [May 2016]

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2016 May 70-483 Study Guide Questions:

Q141. - (Topic 1) 

You are developing an application that includes a class named Order. The application will store a collection of Order objects. 

The collection must meet the following requirements: 

Use strongly typed members. 

Process Order objects in first-in-first-out order. 

Store values for each Order object. 

. Use zero-based indices. 

You need to use a collection type that meets the requirements. 

Which collection type should you use? 

A. Queue<T> 

B. SortedList 

C. LinkedList<T> 

D. HashTable 

E. Array<T> 

Answer: A 

Explanation: 

Queues are useful for storing messages in the order they were received for sequential processing. Objects stored in a Queue<T> are inserted at one end and removed from the other. http://msdn.microsoft.com/en-us/library/7977ey2c.aspx 


Q142. - (Topic 2) 

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

You need to ensure that new instances of Connection can be created only by other classes by calling the Create method. The solution must allow classes to inherit from Connection. 

What should you do? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: B 

Explanation: The following list provides the main features of a static class: 

* Contains only static members. 

* Cannot be instantiated. 

* Is sealed. 

* Cannot contain Instance Constructors. 

Creating a static class is therefore basically the same as creating a class that contains only static members and a private constructor. A private constructor prevents the class from being instantiated. 

Reference: Static Classes and Static Class Members (C# Programming Guide) 

https://msdn.microsoft.com/en-us/library/79b3xss3.aspx 


Q143. - (Topic 1) 

You are developing an application that uses a .config file. 

The relevant portion of the .config file is shown as follows: 

You need to ensure that diagnostic data for the application writes to the event tog by using the configuration specified in the .config file. 

What should you include in the application code? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: D 


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Q144. - (Topic 1) 

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. using (fooSqlConn.BeginTransaction()) 

B. while (fooSqlReader.Read()) 

C. while (fooSqlReader.NextResult()) 

D. while (fooSqlReader.GetBoolean(0)) 

Answer: B 


Q145. DRAG DROP - (Topic 2) 

You are developing a C# console application that outputs information to the screen. The following code segments implement the two classes responsible for making calls to the Console object: 

When the application is run, the console output must be the following text: 

Log started Base: Log continuing Finished 

You need to ensure that the application outputs the correct text. 

Which four lines of code should you use in sequence? (To answer, move the appropriate classes from the list of classes to the answer area and arrange them in the correct order.) 

Answer: 


Q146. - (Topic 2) 

You need to store the values in a collection. 

The solution must meet the following requirements: 

. The values must be stored in the order that they were added to the collection. . The values must be accessed in a first-in, first-out order. 

Which type of collection should you use? 

A. SortedList 

B. Queue 

C. ArrayList 

D. Hashtable 

Answer: B 


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Q147. - (Topic 1) 

You are developing an assembly that will be used by multiple applications. 

You need to install the assembly in the Global Assembly Cache (GAC). 

Which two actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose two.) 

A. Use the Assembly Registration tool (regasm.exe) to register the assembly and to copy the assembly to the GAC. 

B. Use the Strong Name tool (sn.exe) to copy the assembly into the GAC. 

C. Use Microsoft Register Server (regsvr32.exe) to add the assembly to the GAC. 

D. Use the Global Assembly Cache tool (gacutil.exe) to add the assembly to the GAC. 

E. Use Windows Installer 2.0 to add the assembly to the GAC. 

Answer: D,E 

Explanation: 

There are two ways to deploy an assembly into the global assembly cache: 

Use an installer designed to work with the global assembly cache. This is the preferred option for installing assemblies into the global assembly cache. 

Use a developer tool called the Global Assembly Cache tool (Gacutil.exe), provided by the 

Windows 

Software Development Kit (SDK). 

Note: 

In deployment scenarios, use Windows Installer 2.0 to install assemblies into the global assembly cache. Use the Global Assembly Cache tool only in development scenarios, because it does not provide assembly reference counting and other features provided when using the Windows Installer. 

http://msdn.microsoft.com/en-us/library/yf1d93sz%28v=vs.110%29.aspx 


Q148. - (Topic 1) 

You are developing an application by using C#. 

The application includes an object that performs a long running process. 

You need to ensure that the garbage collector does not release the object's resources until the process completes. 

Which garbage collector method should you use? 

A. WaitForFullGCComplete() 

B. SuppressFinalize() 

C. collect() 

D. RemoveMemoryPressure() 

Answer: B 


Q149. - (Topic 2) 

You are developing an application in C#. 

The application uses exception handling on a method that is used to execute mathematical calculations by using integer numbers. 

You write the following catch blocks for the method (line numbers are included for reference only): 

You need to add the following code to the method: 

At which line should you insert the code? 

A. 01 

B. 03 

C. 05 

D. 07 

Answer: A 


Q150. - (Topic 2) 

You are modifying an existing banking application. 

The application includes an Account class and a Customer class. The following code segment defines the classes. 

You populate a collection named customerCollection with Customer and Account objects by using the following code segment: 

You create a largeCustomerAccounts collection to store the Account objects by using the following code segment: 

Collection<Account> largeCustomerAccounts = new Collection<Account> (); 

All accounts with a Balance value greater than or equal to 1,000,000 must be tracked. 

You need to populate the largeCustomerAccounts collection with Account objects. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: C 



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