Zetwerk Interview Questions, Process, and Tips

Easy to medium questions, Questions on DSA and Node.js.

Q1. Valid parenthesis
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Q2. Three sum problem
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Q1. What are the differences between White box testing and Black box testing?
Ans. 
White box testing is based on the internal logic of the software being tested, while black box testing focuses on the functionality of the software.
• White box testing is also known as clear box testing or glass box testing.

• Black box testing is also known as functional testing.

• White box testing is done by developers to ensure code coverage and identify logical errors.

• Black box testing is done by testers to validate the f...read more
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Q2. What are the differences between validation and verification?
Ans. 
Validation ensures the right product is being built, while verification ensures the product is being built right.
• Validation confirms that the product meets the customer's requirements and needs.

• Verification ensures that the product conforms to the specified requirements and standards.

• Validation is about checking if the right product is being built, while verification is about checking if the product is being built corr...read more
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Q3. How do you write test cases for Login page and Payment gateway?
Ans. 
Test cases for Login page and Payment gateway are written by identifying various scenarios, inputs, and expected outcomes.
• Identify positive test cases for successful login and payment transactions.

• Identify negative test cases for invalid credentials, error messages, and failed transactions.

• Include boundary test cases for maximum and minimum input values.

• Test for different user roles and permissions.

• Verify the security ...read more
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Q4. How do you automate filtering and validate it's been filtered as desired?
Ans. 
Automate filtering by using scripting languages like Python or tools like Selenium. Validate by comparing expected and actual results.
• Use scripting languages like Python to automate filtering process.

• Utilize tools like Selenium for automated testing of filtering functionality.

• Validate filtering by comparing expected results with actual results.

• Implement test cases to ensure filtering is working as desired.
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Q5. What is backend and how does it work?
Ans. 
Backend refers to the server-side of an application where data processing and storage occurs.
• Backend is responsible for handling data processing, storage, and retrieval.

• It interacts with the frontend to deliver the final product to the user.

• Common backend technologies include databases like MySQL, programming languages like Java or Python, and frameworks like Node.js.

• Backend code runs on the server and responds to requ...read more
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Q6. For testers what is the use of Git and Jenkin?
Ans. 
Git and Jenkins are essential tools for testers to manage code versions and automate testing processes.
• Git is used for version control, allowing testers to track changes in code and collaborate with team members.

• Jenkins is used for continuous integration and continuous delivery (CI/CD), automating the testing process and providing feedback on code quality.

• Testers can use Git to create branches for different features or...read more
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Q7. Give me a simple example of API.
Ans. 
An example of API is a weather API that provides real-time weather data to a mobile app.
• API stands for Application Programming Interface

• It allows different software applications to communicate with each other

• Examples include Google Maps API, Twitter API, and Spotify API
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Q8. What are the difference between Smoke and Sanity?
Ans. 
Smoke testing is a preliminary test to check if the software build is stable, while sanity testing is a subset of regression testing to ensure that specific functionalities are working correctly.
• Smoke testing is done to check if the software build is stable enough for further testing, while sanity testing is done to check specific functionalities after changes.

• Smoke testing is a shallow and wide approach, covering all ...read more
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Q9. Scenario : You have 100 data sets for a field . how do you validate it
Ans. 
To validate 100 data sets for a field, use statistical analysis, data visualization, and comparison with known standards.
• Perform statistical analysis on the data sets to identify outliers and inconsistencies

• Use data visualization techniques such as histograms, box plots, and scatter plots to visually inspect the data

• Compare the data sets with known standards or benchmarks to ensure accuracy and consistency

• Utilize autom...read more
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Q1. Old company work related questions
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Q2. What are the questions related to the current project we will be working on?
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How to make a order management system

Q1. What are the reasons for your decision to change your current role?
Ans. 
Seeking new challenges and growth opportunities in a different industry.
• Desire for new challenges and learning experiences

• Opportunity for career growth and advancement

• Interest in exploring a different industry or product category
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Q1. What is railways?
Ans. 
Railways are a system of transportation using trains on tracks to carry passengers and goods.
• Railways consist of tracks on which trains run to transport passengers and goods.

• They are a key mode of transportation for long distances and heavy cargo.

• Examples of famous railways include the Trans-Siberian Railway in Russia and the Indian Railways network.
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Q2. How many kinds of weldings are done in Railways?
Ans. 
There are several types of welding done in Railways, including arc welding, gas welding, and flash butt welding.
• Arc welding is commonly used for joining rail tracks together.

• Gas welding is used for repairs and maintenance work on railway components.

• Flash butt welding is used to join rails end-to-end for seamless tracks.
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Q1. How you are going through with the current company?
Ans. 
I am currently excelling in my role at the company, consistently meeting and exceeding expectations.
• Consistently meeting and exceeding performance targets

• Building strong relationships with team members and stakeholders

• Taking on additional responsibilities and projects to contribute to the company's success
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Q2. How many days of notice periode you have to serve in current company?
Ans. 
I have a notice period of 30 days in my current company.
• Notice period is 30 days

• Standard notice period in many companies

• Allows time for transition and handover of responsibilities
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Q1. How many years you are working with your current industry?
Ans. 
I have been working in the industry for 10 years.
• Started in the industry right after graduating from college

• Have gained experience in various roles and departments

• Attended multiple industry conferences and workshops to stay updated
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Q2. How is your experience in your current industry and what you learned there?
Ans. 
I have 10 years of experience in the finance industry, where I learned strategic planning, risk management, and team leadership.
• Developed strong strategic planning skills through analyzing market trends and competitor activities

• Implemented effective risk management strategies to protect company assets and investments

• Led cross-functional teams to successfully execute projects and achieve business goals
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Q1. Asking and negotiation about CTC!
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Q1. Ask about professional skills.
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Ask about working and standards.

Q1. Ask about working and day to day works.
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Q1. It is important to have information about OHE material
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Q2. Properly store in-out report's in day to day inventory management.
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