[May 2016] 70-483 braindump

Exam Code: 70-483 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Programming in C#
Certification Provider: Microsoft
Free Today! Guaranteed Training- Pass 70-483 Exam.

2016 May 70-483 Study Guide Questions:

Q11. - (Topic 2) 

You are developing an application that will parse a large amount of text. 

You need to parse the text into separate lines and minimize memory use while processing data. 

Which object type should you use? 

A. DataContractSerializer 

B. StringBuilder 

C. StringReader 

D. JsonSerializer 

Answer: C 


Q12. - (Topic 1) 

You are developing an application that will transmit large amounts of data between a client computer and a server. You need to ensure the validity of the data by using a cryptographic hashing algorithm. Which algorithm should you use? 

A. ECDsa 

B. RNGCryptoServiceProvider 

C. Rfc2898DeriveBytes 

D. HMACSHA512 

Answer: D 


Q13. - (Topic 2) 

You are creating an application that reads from a database. 

You need to use different databases during the development phase and the testing phase by using conditional compilation techniques. 

What should you do? 

A. Configure the assembly metadata to use the pre-existing public key for the assembly identity by using the AssemblySignatureKeyAttribute attribute. 

B. Disable the strong-name bypass feature of Microsoft .NET Framework in the registry. 

C. Configure the Define DEBUG constant setting in Microsoft Visual Studio. 

D. Decorate the code by using the [assembly:AssemblyDelaySignAttribute(true)] attribute. 

Answer: C 

Explanation: Use one debug version to connect to the development database, and a standard version to connect to the live database. 


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Q14. - (Topic 1) 

You are developing an application that will convert data into multiple output formats. 

The application includes the following code. (Line numbers are included for reference only.) 

You are developing a code segment that will produce tab-delimited output. All output routines implement the following interface: 

You need to minimize the completion time of the GetOutput() method. Which code segment should you insert at line 06? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: B 

Explanation: 

A String object concatenation operation always creates a new object from the existing string and the new data. A StringBuilder object maintains a buffer to accommodate the concatenation of new data. New data is appended to the buffer if room is available; otherwise, a new, larger buffer is allocated, data from the original buffer is copied to the new buffer, and the new data is then appended to the new buffer. The performance of a concatenation operation for a String or StringBuilder object depends on the frequency of memory allocations. A String concatenation operation always allocates memory, whereas a StringBuilder concatenation operation allocates memory only if the StringBuilder object buffer is too small to accommodate the new data. Use the String class if you are concatenating a fixed number of String objects. In that case, the compiler may even combine individual concatenation operations into a single operation. Use a StringBuilder object if you are concatenating an arbitrary number of strings; for example, if you're using a loop to concatenate a random number of strings of user input. 

http://msdn.microsoft.com/en-us/library/system.text.stringbuilder(v=vs.110).aspx 


Q15. HOTSPOT - (Topic 2) 

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

To answer, complete each statement according to the information presented in the code. 

Answer: 


Q16. - (Topic 2) 

You are implementing a method named GetValidEmailAddresses. The GetValidEmailAddresses() method processes a list of string values that represent email addresses. 

The GetValidEmailAddresses() method must return only email addresses that are in a valid format. 

You need to implement the GetValidEmailAddresses() method. 

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

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: B,D 

Explanation: Note: 

* List<T>.Add Method 

Adds an object to the end of the List<T>. 


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Q17. DRAG DROP - (Topic 1) 

You have a method named GetCustomerIDs that returns a list of integers. Each entry in the list represents a customer ID that is retrieved from a list named Customers. The Customers list contains 1,000 rows. 

Another developer creates a method named ValidateCustomer that accepts an integer parameter and returns a Boolean value. ValidateCustomer returns true if the integer provided references a valid customer. ValidateCustomer can take up to one second to run. 

You need to create a method that returns a list of valid customer IDs. The code must execute in the shortest amount of time. 

What should you do? (Develop the solution by selecting and ordering the required code snippets. You may not need all of the code snippets.) 

Answer: 


Q18. - (Topic 1) 

You are developing an application that will transmit large amounts of data between a client computer and a server. You need to ensure the validity of the data by using a cryptographic hashing algorithm. Which algorithm should you use? 

A. RSA 

B. HMACSHA2S6 

C. Aes 

D. RNGCryptoServiceProvider 

Answer: B 


Q19. - (Topic 2) 

You have the following code: 

You need to retrieve all of the numbers from the items variable that are greater than 80. Which code should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: B 

Explanation: Example: All number larger than 15 from a list using the var query = from num in numbers... contstruct: 

var largeNumbersQuery = numbers2.Where(c => c > 15); 

Reference: How to: Write LINQ Queries in C# 

https://msdn.microsoft.com/en-us/library/bb397678.aspx 


Q20. HOTSPOT - (Topic 2) 

You define a class by using the following code: You write the following code for a method (line numbers are included for reference only): 

To answer, complete each statement according to the information presented in the code. 

Answer: 



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