70-483 Exam
The Only Tip You Need: 70 483 programming in c# microsoft official practice test
Act now and download your Microsoft exam ref 70 483 test today! Do not waste time for the worthless Microsoft exam 70 483 dumps tutorials. Download Rebirth Microsoft Programming in C# exam with real questions and answers and begin to learn Microsoft exam 70 483 programming in c# with a classic professional.
Q91. - (Topic 2)
You are creating an application that processes a list of numbers.
The application must define a method that queries the list and displays a subset of the
numbers to the user. The method must not update the list.
You need to create an extendable query by using LINQ.
What should you do?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q92. - (Topic 2)
You are developing an application.
You need to declare a delegate for a method that accepts an integer as a parameter, and then returns an integer.
Which type of delegate should you use?
A. Action<int>
B. Action<int, int>
C. Func<int, int>
D. Func<int>
Answer: C
Q93. - (Topic 2)
You need to write a method that retrieves data from a Microsoft Access 2013 database. The method must meet the following requirements:
Be read-only.
Be able to use the data before the entire data set is retrieved.
Minimize the amount of system overhead and the amount of memory usage.
Which type of object should you use in the method?
A. DbDataReader
B. DataContext
C. unTyped DataSet
D. DbDataAdapter
Answer: C
Explanation: DbDataReader Class
Reads a forward-only stream of rows from a data source.
Q94. DRAG DROP - (Topic 2)
You are creating a class named Data that includes a dictionary object named _data.
You need to allow the garbage collection process to collect the references of the _data object.
You have the following code:
Which code segments should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Q95. - (Topic 1)
An application receives JSON data in the following format:
The application includes the following code segment. (Line numbers are included for reference only.)
You need to ensure that the ConvertToName() method returns the JSON input string as a Name object.
Which code segment should you insert at line 10?
A. Return ser.ConvertToType<Name>(json);
B. Return ser.DeserializeObject(json);
C. Return ser.Deserialize<Name>(json);
D. Return (Name)ser.Serialize(json);
Answer: C
Explanation:
JavaScriptSerializer.Deserialize<T> - Converts the specified JSON string to an object of type T. http://msdn.microsoft.com/en-us/library/bb355316.aspx
Q96. - (Topic 1)
An application receives JSON data in the following format:
The application includes the following code segment. (Line numbers are included for reference only.)
You need to ensure that the ConvertToName() method returns the JSON input string as a Name object.
Which code segment should you insert at line 10?
A. Return ser.Desenalize (json, typeof(Name));
B. Return ser.ConvertToType<Name>(json);
C. Return ser.Deserialize<Name>(json);
D. Return ser.ConvertToType (json, typeof (Name));
Answer: C
Q97. - (Topic 2)
You are modifying an existing application that manages employee payroll. The application includes a class named PayrollProcessor. The PayrollProcessor class connects to a payroll database and processes batches of paychecks once a week.
You need to ensure that the PayrollProcessor class supports iteration and releases database connections after the batch processing completes.
Which two interfaces should you implement? (Each correct answer presents part of the complete solution. Choose two.)
A. IEquatable
B. IEnumerable
C. IDisposable
D. IComparable
Answer: B,C
Explanation: IEnumerable IDisposable Interface Exposes an enumerator, which supports a simple iteration over a non-generic collection.
Defines a method to release allocated resources.
The primary use of this interface is to release unmanaged resources.
Q98. DRAG DROP - (Topic 1)
You are developing an application by using C#. The application includes an array of decimal values named loanAmounts. You are developing a LINQ query to return the values from the array.
The query must return decimal values that are evenly divisible by two. The values must be sorted from the lowest value to the highest value.
You need to ensure that the query correctly returns the decimal values.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Q99. - (Topic 1)
You are developing an application. The application converts a Location object to a string by using a method named WriteObject. The WriteObject() method accepts two parameters, a Location object and an XmlObjectSerializer object.
The application includes the following code. (Line numbers are included for reference only.)
You need to serialize the Location object as a JSON object.
Which code segment should you insert at line 20?
A. New DataContractSerializer(typeof(Location))
B. New XmlSerializer(typeof(Location))
C. New NetDataContractSenalizer()
D. New DataContractJsonSerializer(typeof(Location))
Answer: D
Explanation:
The DataContractJsonSerializer class serializes objects to the JavaScript Object Notation
(JSON) and deserializes JSON data to objects.
Use the DataContractJsonSerializer class to serialize instances of a type into a JSON
document and to deserialize a JSON document into an instance of a type.
Q100. - (Topic 2)
You are developing an application that includes a class named Customer and a generic list of customers. The following code segment declares the list of customers:
List<Customer> customersList = new List<Customer> () ;
You populate the customersList object with several hundred Customer objects.
The application must display the data for five Customer objects at a time.
You need to create a method that will return the correct number of Customer objects.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A