Tejas Networks Product Manager Interview Questions and Answers

OOPs concept stands for Object-Oriented Programming concepts which includes encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding the implementation details from the user.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects to take on multiple forms or behaviors.

• Abstraction is the process of hiding unnecessary details from

Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

• It improves page load time and performance.

• It is commonly used for images, videos, and other media files.

• It can be implemented using JavaScript libraries like LazyLoad or Intersection Observer API.

• Lazy loading can also be used for modules and components in web applications.

• It helps to reduce the initial load time of th

Eager loading is a technique used in software development to load related data in advance to avoid multiple database queries.

• Eager loading is used to optimize database queries and improve performance.

• It loads all the required data in a single query instead of making multiple queries.

• It is commonly used in Object-Relational Mapping (ORM) frameworks like Hibernate, Entity Framework, etc.

• Eager loading can be used with var...read more

I am excited to join this company because of its reputation for innovation and commitment to employee growth.

• I am impressed by the company's track record of developing cutting-edge software solutions.

• I appreciate the emphasis on professional development and growth opportunities for employees.

• I am excited about the prospect of working with a talented and dedicated team.

• I believe that this company's values align with my ...read more

My role model is Elon Musk.

• I admire his innovative thinking and determination to push boundaries.

• His ability to lead multiple successful companies is inspiring.

• His focus on sustainable energy and space exploration aligns with my values.

• I strive to emulate his work ethic and passion for making a positive impact on the world.

I have been involved in various extra-curricular activities such as volunteering, sports, and music.

• Volunteered at local animal shelter

• Played on intramural basketball team

• Participated in school choir

• Attended coding workshops and hackathons

Seeking new challenges and growth opportunities.

• I felt that I had reached a plateau in my role and was no longer being challenged.

• I was interested in exploring new technologies and wanted to work on more innovative projects.

• I wanted to work in a more collaborative and dynamic environment.

• I left on good terms and have maintained positive relationships with my former colleagues.

• I am excited to bring my skills and experie...read more

I am excited to join Centurylink because of their reputation for innovation and commitment to customer satisfaction.

• Centurylink has a strong focus on developing cutting-edge technology solutions

• The company values customer feedback and strives to provide excellent service

• I am impressed by Centurylink's dedication to diversity and inclusion in the workplace

Relocated to Noida for better career opportunities and growth.

• Noida is a hub for IT companies and offers a lot of job opportunities in the software development field.

• The city has a good work-life balance and a lower cost of living compared to other metropolitan cities.

• I was also attracted to the diverse culture and the opportunity to work with people from different backgrounds.

• I did my research and found that Noida has...read more

Yes, I am comfortable working in US shift.

• I have prior experience working in US shift.

• I am flexible with my work timings.

• I understand the importance of meeting project deadlines.

• I am willing to adjust my personal schedule to accommodate work requirements.

I currently reside in New York City.

• I live in an apartment in Manhattan.

• My neighborhood is known for its diverse food options.

• I have easy access to public transportation.

• I enjoy exploring the city in my free time.

Program to print binary tree elements in spiral order

• Use two stacks to keep track of nodes at odd and even levels

• Push nodes from left to right in odd level stack and right to left in even level stack

• Pop nodes from the stack alternatively and print them

• Repeat until both stacks are empty

Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

• The browser checks the cache for a previously stored copy of the webpage

• If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

• The browser then sends a request to the web server at the IP address for the webpage

• The web server responds with the requested webpage

• The brows...read more

MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

• MAC addresses are used for communication within a local network

• IP addresses are used for communication across different networks

• MAC addresses are assigned by the manufacturer and cannot be changed

• IP addresses can be assigned dynamically or statically

• MAC addresses are used in the...read more

Developed a web application for tracking inventory and sales data

• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management

• Integrated authentication and authorization features for secure access

• Designed user-friendly interface with responsive design

An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

• ArrayList is a class in Java's Collection framework.

• It implements the List interface and allows duplicate elements.

• Elements can be added or removed using methods like add(), remove(), etc.

• It can also be sorted using the sort() method.

• Example: ArrayList names = new ArrayList<>();

• names.add("John"); names.add("Mary"); names.remove(0);