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UST Validation Engineer Interview Questions and Answers

Updated 21 Nov 2024

Q1. What is Bug, error, black box testing?

Ans.

Bug is a defect in software, error is a mistake made by a programmer, black box testing is testing without knowledge of internal code.

  • Bug: a flaw in software that causes it to behave unexpectedly or incorrectly

  • Error: a mistake made by a programmer that results in incorrect code

  • Black box testing: testing without knowledge of the internal code, focusing on inputs and outputs

  • Example: entering invalid data into a form and receiving an error message

  • Example: a button on a website n...read more

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Q2. What is active and passive safety

Ans.

Active safety refers to features that help prevent accidents, while passive safety refers to features that protect occupants during a crash.

  • Active safety includes technologies like anti-lock brakes, traction control, and lane departure warning systems.

  • Passive safety includes features like airbags, seat belts, and crumple zones.

  • Active safety systems work to prevent accidents from happening, while passive safety systems activate during a crash to protect occupants.

  • Both active a...read more

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Q3. Software testing life cycle?

Ans.

Software testing life cycle involves planning, designing, executing, and reporting on tests to ensure software quality.

  • STLC is a process that starts with test planning and ends with test closure.

  • It includes test design, test execution, and test reporting.

  • STLC is iterative and involves continuous improvement.

  • Examples of STLC models include Waterfall, Agile, and DevOps.

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Q4. Os and understanding of computer organisation

Ans.

Understanding of computer organization is essential for a Validation Engineer to ensure proper functioning of hardware and software systems.

  • Knowledge of computer architecture and components such as CPU, memory, and I/O devices

  • Understanding of how data is processed and stored within a computer system

  • Familiarity with computer organization principles like instruction set architecture and memory hierarchy

  • Ability to troubleshoot and optimize system performance based on computer or...read more

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Q5. Between windows differents

Ans.

Different versions of Windows operating system

  • Different versions of Windows have different features and capabilities

  • Windows 10 has a more modern interface and better security features than Windows 7

  • Windows 8 introduced touch screen support and a new start screen

  • Windows XP is no longer supported by Microsoft and is vulnerable to security threats

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Q6. What is Black box testing

Ans.

Black box testing is a software testing method where the internal structure or code of the application being tested is not known to the tester.

  • Tester focuses on the functionality of the software without knowing its internal workings

  • Tests are based on requirements and specifications

  • Input data is provided and output is compared against expected results

  • Examples include system testing, acceptance testing, and regression testing

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Q7. What is tuple in python

Ans.

A tuple in Python is an immutable collection of elements, similar to a list but cannot be changed once created.

  • Tuples are created using parentheses ()

  • Elements in a tuple can be of different data types

  • Tuples can be accessed using indexing or slicing

  • Tuples are faster than lists because they are immutable

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Q8. What is hil in lab

Ans.

HIL stands for Hardware-in-the-Loop, a testing technique used in engineering to validate systems by simulating real-world conditions.

  • HIL involves connecting physical hardware components to a simulation environment to test their interactions.

  • It allows for testing complex systems in a controlled environment before deployment.

  • Examples include testing automotive control systems by connecting them to a simulated vehicle environment.

  • HIL testing can help identify issues early in the...read more

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Interview Process at UST Validation Engineer

based on 6 interviews
2 Interview rounds
Technical Round - 1
Technical Round - 2
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