Nous Infosystems Interview Questions and Answers

Q1. Difference between setTimeout , setInterval , setImmediate ?
Ans. 
setTimeout executes a function once after a specified time, setInterval executes a function repeatedly at specified intervals, setImmediate executes a function immediately after the current event loop.
• setTimeout executes a function once after a specified delay.

• setInterval executes a function repeatedly at specified intervals.

• setImmediate executes a function immediately after the current event loop.

• Example: setTimeout((...read more
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Q2. Difference between map and filter?
Ans. 
Map is used to transform each element of an array, while filter is used to select elements based on a condition.
• Map applies a function to each element of an array and returns a new array with the results.

• Filter creates a new array with only the elements that pass a certain condition.

• Example: map - [1, 2, 3].map(x => x * 2) returns [2, 4, 6].

• Example: filter - [1, 2, 3].filter(x => x > 1) returns [2, 3].
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Q1. Tell me about your self and testing concepts
Ans. 
I am a dedicated Test Engineer with a strong understanding of testing concepts and methodologies.
• I have experience in creating test plans, test cases, and executing tests to ensure software quality.

• I am proficient in using testing tools such as Selenium, JIRA, and TestRail.

• I have a solid understanding of different types of testing like functional, regression, and performance testing.

• I am skilled in identifying and repo...read more
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An aptitude test was conducted that involved logical thinking, grammar, and general aptitude.

Selection sort, Search algorithms

QA test case excenarios

Q1. Salary negotiations,
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Q2. Career path descriptions
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Q3. About probationary period, designation after Probation period etc
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Q1. Playwright with javascript and coding
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Q1. Playwrights architeccture
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Q1. No rounds exist
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Q2. . . . . no rounds
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Asked to create a E-Commerce website.

Q1. Oops concepts, write test scenarios, code refactoring
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Q2. What isIDisposable method
Ans. 
IDisposable method is used to release unmanaged resources in .NET applications.
• IDisposable interface is used to release unmanaged resources like file handles, database connections, etc.

• It contains a single method Dispose() which should be implemented to release resources.

• It is recommended to use IDisposable along with using statement for proper resource management.

• Example: FileStream class in C# implements IDisposable
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Q3. Interface vs abstractclass
Ans. 
Interface defines a contract for classes to implement, while abstract class provides partial implementation.
• Interface can have only abstract methods, while abstract class can have both abstract and concrete methods.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Interfaces are used for achieving multiple inheritance in Java.

• Abstract classes are used when some common functionality
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