ABB Softwaretest Engineer Interview Questions and Answers

Q1. Explain about correlation some technical questions about loadrunner tool
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Q2. Loadrunner basics
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Q3. Diff b/w thread process
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A process is an instance of a program running on a computer, while a thread is a smaller unit of execution within a process.
• Process is an independent entity that runs in its own memory space, while threads share the same memory space within a process.

• Processes have their own resources like memory, file handles, etc., while threads share these resources.

• Processes are heavyweight, while threads are lightweight.

• Example: A...read more
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Q4. Appd basic questions
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Q5. Diffeent approach for load balancing model
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Load balancing models distribute incoming network traffic across multiple servers to ensure no single server is overwhelmed.
• Different algorithms for load balancing include round robin, least connections, and IP hash.

• Consider factors like server capacity, network latency, and traffic patterns when choosing a load balancing model.

• Implementing a hybrid approach combining multiple load balancing algorithms can optimize per
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Q1. Technical Questions - access specifiers, why is java platform independent, oops concepts, difference between Array List and LinkedList, Time Complexity, Immutable class, Questions related to Strings, Valid...read more
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Q1. Live coding question based on array and Strings
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Q1. What is transformer?
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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are commonly used to increase or decrease voltage in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to a power source, while the secondary coil is connected to the load.

• Examples of transformers include power ...read more
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Q2. What is the use of relay in DI
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Relays in Dependency Injection are used to control the creation and lifecycle of objects.
• Relays help in decoupling the creation of objects from their usage.

• They can be used to provide different implementations of an interface based on certain conditions.

• Relays can also be used for lazy loading of objects to improve performance.

• They help in managing the dependencies of objects in a flexible and modular way.
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Q3. Compare profinet and ethernet
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Profinet is a real-time industrial Ethernet protocol used for automation, while Ethernet is a general networking protocol used for data communication.
• Profinet is specifically designed for industrial automation applications, providing real-time communication and deterministic behavior.

• Ethernet is a widely used networking protocol for general data communication in various industries and applications.

• Profinet offers highe...read more
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Q4. What is RS232 protocol
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RS232 protocol is a standard for serial communication between devices, commonly used in computer systems.
• RS232 uses a DB9 or DB25 connector for communication

• It uses asynchronous communication

• Data is transmitted one bit at a time

• Commonly used for connecting devices like modems, printers, and GPS receivers
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Q1. Good URI design
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Q2. Accessing id parameter in URL
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Accessing id parameter in URL involves parsing the URL and extracting the id value.
• Use the window.location object to access the URL of the current page.

• Parse the URL using methods like split() or URLSearchParams to extract the id parameter.

• Example: If the URL is 'http://example.com/page?id=123', you can access the id value by parsing the URL.
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Q1. Salary expectations
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Q2. Plan of growing up technically
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Q1. React , hooks concept
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Q2. Bootstrap- UI and related questions
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30 min 30 ques and gaming ques

Q1. What is ML and AI in your project?
Ans. 
ML and AI are used in our project to analyze user behavior and provide personalized recommendations.
• ML algorithms are used to analyze user data and predict user preferences.

• AI is used to provide personalized recommendations based on the analysis of user behavior.

• Examples include recommendation systems for e-commerce websites and personalized content suggestions on streaming platforms.
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Q2. What is lagging concept and more?
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Lagging concept refers to a concept or idea that is behind or not up to date compared to current standards or practices.
• Refers to outdated technology or methods in software development

• Can lead to inefficiencies, bugs, or security vulnerabilities

• Examples include using deprecated libraries or not following best practices for coding
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