Comviva Technology Engineer Interview Questions and Answers

I am a detail-oriented engineer with a passion for problem-solving and innovation.

• I have a strong background in mechanical engineering and have worked on projects ranging from designing automotive components to developing medical devices.

• I am skilled in using CAD software such as SolidWorks and have experience with 3D printing and prototyping.

• I am a quick learner and enjoy taking on new challenges, whether it's learnin...read more

Inheritance is a mechanism in OOP where a new class is derived from an existing class.

• Allows for code reusability and saves time

• Derived class inherits properties and methods of base class

• Can override base class methods in derived class

• Can have multiple levels of inheritance

• Example: class Dog extends Animal {}

Normalization is the process of organizing data in a database to reduce redundancy and dependency.

• 1NF (First Normal Form) - Each column in a table must have atomic values.

• 2NF (Second Normal Form) - A table must be in 1NF and all non-key attributes must be dependent on the primary key.

• 3NF (Third Normal Form) - A table must be in 2NF and all non-key attributes must be independent of each other.

• 4NF (Fourth Normal Form) - ...read more

OOP concepts include encapsulation, inheritance, polymorphism, and abstraction, essential for structured programming.

• Encapsulation: Bundling data and methods. Example: class `Car` with properties like `speed` and methods like `accelerate()`.

• Inheritance: Deriving new classes from existing ones. Example: `class SportsCar(Car)` inherits properties and methods from `Car`.

• Polymorphism: Using a single interface to represent ...read more

SQL queries can be written to manipulate and retrieve data from two related tables.

• Use JOIN to combine data from both tables. Example: SELECT * FROM table1 JOIN table2 ON table1.id = table2.foreign_id;

• Use WHERE clause to filter results. Example: SELECT * FROM table1 WHERE condition;

• Use GROUP BY to aggregate data. Example: SELECT column, COUNT(*) FROM table1 GROUP BY column;

• Use INSERT to add new records. Example: INSERT...read more

I am a highly motivated engineer with a passion for problem-solving and innovation.

• I have a degree in Mechanical Engineering from XYZ University

• I have worked as a design engineer at ABC Company for 3 years

• I am proficient in CAD software such as SolidWorks and AutoCAD

• I have experience in project management and leading cross-functional teams

• I am always seeking to learn and improve my skills

I am meticulous because I pay attention to details and strive for perfection.

• The picture frame on the wall is slightly crooked

• There is a stain on the carpet near the door

• The bookshelf is dusty and needs to be cleaned

• The lamp on the desk is missing a light bulb

• There are fingerprints on the window

I am impressed with the company's reputation and growth potential.

• I have researched the company and its achievements.

• I am excited about the opportunity to work with a talented team.

• I believe the company's values align with my own.

• I am impressed with the company's commitment to innovation and technology.

• I am confident that I can contribute to the company's success.

I have the necessary skills, experience, and passion to excel in this role.

• I have a strong background in engineering with a degree from a top university.

• I have several years of experience in the field, including working on complex projects.

• I am a quick learner and am always looking to expand my knowledge and skills.

• I am passionate about engineering and am committed to delivering high-quality work.

• I am a team player and...read more

I see myself in a leadership role, managing a team and contributing to the growth of the company.

• Managing a team of engineers

• Contributing to the growth of the company through innovative ideas and solutions

• Continuing to learn and develop new skills

• Taking on more responsibilities and challenges

• Building strong relationships with colleagues and clients