Volansys Technologies Associate Engineer Interview Questions and Answers

Q1. About the skill and job roll.
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Q1. Asked about the current project details
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Q2. Asking about the coding
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Q3. Asking about the current project details
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Q1. Javascript, React JS, Node JS, MongoDB, Next JS, Typescript
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Q1. Self Introduction
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Q2. Twilio Framework
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Q1. Related to Django Framework
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Q2. Related to Twilio Framework
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Job Roles and Responsibility & Salary Discussion

Q1. The Following are the Laravel Questions:- 1. Laravel Life Cycle 2. OOPs 3. Migration 4. Elquoent 5. Observers 6. Repository 7. Services 8. Composer 9. Git 10. Commands 11. Route 12. Middleware 13. Service...read more
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Q2. The Following are the Vue Js Questions:- 1. Life Cycle 2. Options API 3. Composition API 4. Difference between v-if and v-show 5. Difference between v-model and v-model.lazy 6. Computed Properties 7. Data...read more
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Q1. What is your family background?
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My family background is diverse and multicultural, with members from different professions and backgrounds.
• My father is a doctor and my mother is a teacher.

• I have two siblings, one is an engineer and the other is a lawyer.

• We have relatives living in different countries, including the USA, India, and Australia.

• Our family values education and encourages continuous learning.
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Q2. Share details of your previous job.
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I worked as a Software Engineer at XYZ Company.
• Developed and maintained software applications using Java and Python.

• Collaborated with cross-functional teams to gather requirements and design solutions.

• Implemented unit tests and performed code reviews to ensure code quality.

• Participated in Agile development processes and attended daily stand-up meetings.

• Troubleshooted and resolved software defects and issues reported by...read more
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Q3. Why are you looking for a change?
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Looking to expand my skill set and work on more complex projects.

• Interested in joining a company with a strong culture of innovation and collaboration.

• Seeking a role that offers more career advancement opportunities.

• Want to work in a different industry to gain new perspectives and experiences.
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Q4. Why should we hire you?
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You should hire me because I have a strong technical background, excellent problem-solving skills, and a passion for software development.
• I have a Bachelor's degree in Computer Science and extensive experience in software development.

• I have a deep understanding of various programming languages and frameworks, including Java, Python, and JavaScript.

• I have a proven track record of delivering high-quality software solutio...read more
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Q5. What are your strengths and weaknesses?
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My strengths include problem-solving, attention to detail, and teamwork. My weaknesses include time management and public speaking.
• Strength: Problem-solving - I enjoy analyzing complex problems and finding efficient solutions.

• Strength: Attention to detail - I have a meticulous approach to my work, ensuring accuracy and quality.

• Strength: Teamwork - I thrive in collaborative environments, valuing open communication and c...read more
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Q6. Tell me about yourself.
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I am a software engineer with experience in developing and maintaining software applications.
• I have a strong background in programming languages such as Java, C++, and Python.

• I have worked on various projects, including developing web applications and implementing software solutions.

• I am skilled in problem-solving and debugging, ensuring efficient and reliable software performance.

• I am familiar with agile development m...read more
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Q1. OOPS cocept,mvc,core,api
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Q2. Oops concept,mvc,core,api
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Q1. Oops concept,mvc,web api,project description
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Q1. What are features of OOPS
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OOPS features include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability to create new classes based on existing classes, inheriting their attributes and methods.

• Polymorphism: Ability to use a single interface for different data types or classes.

• Abstraction: Hiding the implementation details and show
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Q2. Difference between interface and abstract clas
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Interface is a contract that defines the methods a class must implement, while abstract class can have both implemented and abstract methods.
• Interface methods are public and abstract by default, while abstract class can have abstract and non-abstract methods.

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

• Interfaces are used for full abstraction, while abstract classes are used fo...read more
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Easy level questions on string, linked list and array

Q1. Difference between TCP and UDP
Ans. 
TCP is a connection-oriented protocol while UDP is connectionless.
• TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these.

• TCP is slower but more reliable while UDP is faster but less reliable.

• TCP is used for applications that require high reliability and accuracy such as email, file transfer, and web browsing while UDP is used for applications that require speed and ...read more
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Q2. Nibble swap program in C
Ans. 
A nibble swap program in C
• Nibble swap means swapping the 4-bit halves of a byte

• Use bitwise operators to perform the swap

• Example: unsigned char x = 0xAB; x = ((x & 0x0F) << 4) | ((x & 0xF0) >> 4);
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Q1. Reverse Linked List in C
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Reverse a linked list in C language.
• Create three pointers: current, previous, and next.

• Traverse the linked list and change the direction of the pointers.

• Return the new head of the reversed linked list.
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Q2. Write an API call in C
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API call in C
• Include the necessary header files

• Create a URL string with the required parameters

• Use the curl library to make the API call

• Handle the response data appropriately
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