NielsenIQ Engineer Interview Questions and Answers

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Provided CAD drawing to make 3D . It was good

Q1. Good interview asked about material
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Q2. What is plastic material
Ans. 
Plastic material is a synthetic or semi-synthetic material made from polymers that can be molded into different shapes and forms.
• Plastic materials are lightweight and durable

• They can be transparent or colored

• Common examples include polyethylene, polypropylene, PVC, and PET
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Q3. Plastic PP used for food grade
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Plastic PP is commonly used for food grade applications due to its high heat resistance and chemical inertness.
• PP (polypropylene) is a type of plastic known for its high heat resistance, making it suitable for use in food grade applications.

• PP is also chemically inert, meaning it does not react with food or beverages, making it a safe choice for food contact materials.

• Common food grade items made from PP include contai...read more
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Q4. What is steel material
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Steel is a metal alloy made primarily of iron with a small amount of carbon.
• Steel is known for its strength, durability, and versatility.

• It is commonly used in construction, manufacturing, and transportation industries.

• Examples of steel products include beams, pipes, and automotive parts.
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Q1. Explain above data structure
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Data structure is a way of organizing and storing data in a computer so that it can be accessed and modified efficiently.
• Data structures can be linear (arrays, linked lists) or non-linear (trees, graphs)

• They can be static (fixed size) or dynamic (size can change during program execution)

• Examples include stacks, queues, hash tables, and binary search trees
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Q2. What is database
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A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.
• A database stores data in tables, which consist of rows and columns.

• It allows for efficient querying and retrieval of specific information.

• Examples of databases include MySQL, Oracle, and MongoDB.
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Q1. What is performance testing
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Performance testing is the process of evaluating the speed, responsiveness, stability, and scalability of a system under varying conditions.
• Performance testing measures the system's ability to handle a specific workload.

• It helps identify bottlenecks, performance issues, and areas for improvement.

• Various types of performance testing include load testing, stress testing, endurance testing, and spike testing.

• Examples of p...read more
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Q2. How you will use jmeter
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JMeter is a load testing tool used by engineers to measure the performance of web applications.
• JMeter can be used to simulate multiple users accessing a web application to test its performance under different loads.

• It can measure response times, throughput, and server performance.

• JMeter can also be used for functional testing, API testing, and database testing.

• It supports various protocols like HTTP, HTTPS, FTP, JDBC, ...read more
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Q3. Advantages of jmeter tools
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JMeter tools offer several advantages for engineers.
• JMeter allows engineers to perform load testing and measure the performance of web applications.

• It supports multiple protocols such as HTTP, FTP, JDBC, SOAP, and more.

• Engineers can create and execute test plans with various configurations and parameters.

• JMeter provides real-time reporting and analysis of test results.

• It offers distributed testing capabilities to simul...read more
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Q1. Where do you like yourself 5 years down the line
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