UST Validation Engineer Interview Questions and Answers

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

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

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.

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

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

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

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