Apexon Interview Questions, Process, and Tips

Q1. Explain Sonarqube, different type of code smells, and how its implemented in CI CD
Ans. 
Sonarqube is a static code analysis tool used to detect code smells and bugs in code. It is integrated into CI/CD pipelines for continuous code quality checks.
• Sonarqube is a static code analysis tool that identifies code smells, bugs, and security vulnerabilities in code.

• Code smells are common programming issues that may indicate a deeper problem in the code. Examples include duplicated code, long methods, and complex ...read more
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Q2. Write a program to find the numbers divisble by 3 in a string - and reverse its indexes eg : - input : String s = "123456789" output String s = "129456783"
Ans. 
Program to find numbers divisible by 3 in a string and reverse their indexes.
• Iterate through the string and check if each character is a number divisible by 3.

• Store the divisible numbers in an array and reverse their indexes.

• Join the array back into a string and return the result.
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Q1. How concurrent API call happen
Ans. 
Concurrent API calls happen when multiple requests are made simultaneously, allowing for faster processing.
• Concurrent API calls can be achieved using asynchronous programming techniques such as callbacks, promises, or async/await.

• API calls can be made in parallel or in sequence, depending on the requirements of the application.

• Tools like Axios or Fetch API in JavaScript can be used to make concurrent API calls.

• Concurre...read more
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Q2. One sql query need to write
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Q1. Some basic Javascript questions. like async, await , event loop, es6 changes, call, bind, apply methods, some react basic questions like hooks , performance optimization techniques,
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Q2. Build a feature in which i have to apply an api data to the react component and show the data on screen.
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Q1. Questions related to react application performance optimization in detail with clearing every aspects.
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Q2. Explain redux implementation and its applications
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Q3. Some basic node js question like how to send data with tokens, password verifications
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Q1. What is velocity
Ans. 
Velocity is the rate of change of an object's position with respect to a frame of reference, typically measured in meters per second.
• Velocity is a vector quantity, meaning it has both magnitude and direction.

• It is calculated as the displacement of an object divided by the time taken to cover that displacement.

• For example, if a car travels 100 meters in 10 seconds, its velocity is 10 m/s in the direction of travel.
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Q2. What is test bed
Ans. 
A test bed is a platform or environment used to conduct testing of software or hardware.
• Test bed is a controlled environment where tests can be conducted.

• It may include hardware, software, network configurations, and other necessary components.

• Test beds are used to simulate real-world scenarios for testing purposes.

• Examples of test beds include virtual machines, physical devices, and cloud-based testing platforms.
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Asked some basic level questions

Asked little bit hard questions

Asked depth questions and wrote some sample programs

Q1. Wrote some sample program
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Q1. Salary discussion
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Q1. Basic AWS Cloud Interview
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Q2. Basic Sql Question
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