Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. What is the process of the concurrentDictionaryclass? Provide a threads-safe implementation of a stack
Provide a threads-safe implementation of a dictionary of key value pairs
Provide a threads-safe implementation of a queue
None of them

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2. _________ is one of the most powerful features that was first introduced in .NET framework 3.5. LINQ
ADO.Net
Entity SQL
EF API

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3. How can you enable communication between threads while synchronizing the threads? By using the Task class
By using synchronization events
By using the ThreadPool class
None of them

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4. The validity of a cache item is based on the _________. Cache system
Cache directory
Memory used
Cache dependencies

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5. The __________ object is responsible for transforming the data based on the algorithm of the symmetric encryption class. NetworkStream
RijndaelManaged
CryptoStream
ICryptoTransform

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6. Which version of C# is use in visual studio 2019 7.0
5.0
6.0
8.0

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7. In C#, _____________are created using delegates. Events
Exceptions
Threads
None of these

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8. What is the correct way to create an object called myObj of MyClass? all of these
class myobj = myclass();
myclass myobj = new myclass();
new obj = new ();

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9. Which operator can be used to compare two values? <=
=
==
<>

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10. Which of the following code declares the delegate Calculation with the returns type and the parameter types as integer. delegate int Calculation (int numOne, int numTwo);
public delegate Calculation(int numOne, int numTwo);
public delegate int Calculation(int numOne, int numTwo);
delegate Calculation (int numOne, int numTwo);

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