Yanbu Cement Company Lab Tester Interview Questions and Answers

Referential integrity ensures that relationships between tables are maintained in a database.

• It ensures that foreign key values in one table match primary key values in another table.

• It helps maintain consistency and accuracy of data in the database.

• If a foreign key value is deleted or updated, the corresponding primary key value should also be updated or deleted to maintain integrity.

Testing is the process of evaluating a software application to find defects and ensure it meets requirements.

• Testing involves executing the software with the intent of finding bugs or issues.

• It is done to ensure the software meets the specified requirements and functions correctly.

• Types of testing include functional testing, performance testing, and security testing.

• Examples of testing tools include Selenium, JUnit, an

Performance threads are concurrent virtual users that simulate real-world user behavior.

• Performance threads are used in load testing to simulate multiple users accessing a system simultaneously.

• Each thread represents a virtual user and performs a specific set of actions on the system.

• Threads can be configured with different parameters such as ramp-up time, duration, and number of iterations.

• Performance threads can help...read more

CPU controlling limits refer to the maximum amount of CPU resources that can be allocated to a process or application.

• CPU controlling limits are important for ensuring that a single process or application does not consume all available CPU resources, which can lead to system instability and poor performance.

• These limits can be set at the operating system level or within specific applications.

• Examples of CPU controlling...read more

SDLC stands for Software Development Life Cycle, which is the process of developing software. STLC stands for Software Testing Life Cycle, which is the process of testing software.

• SDLC involves planning, designing, coding, testing, and deployment of software.

• STLC involves test planning, test design, test execution, and test closure.

• SDLC focuses on the overall development process, while STLC focuses specifically on test...read more

Functional testing, regression testing, integration testing, and user acceptance testing were done in the previous project.

• Functional testing ensures the software functions correctly according to requirements.

• Regression testing checks for any new bugs introduced after changes.

• Integration testing verifies the interaction between different components.

• User acceptance testing validates if the software meets user requiremen

Functional testing checks if the software functions correctly as per requirements, while non-functional testing checks aspects like performance, usability, security.

• Functional testing focuses on what the system does, while non-functional testing focuses on how well the system performs.

• Examples of functional testing include unit testing, integration testing, and system testing.

• Examples of non-functional testing include ...read more

A bug is a general term for any flaw or error in a software application, while a defect is a specific instance of a bug found during testing.

• Bug is a broader term, while defect is a specific instance of a bug

• Defect is identified during testing, while bug can be identified at any stage of development

• Bug can refer to any issue, while defect specifically refers to issues that cause deviation from expected behavior

• Example:...read more

A bug is a general term for any unexpected behavior in software, while a defect is a specific issue that causes the software to not meet requirements.

• Bug is a broader term that encompasses defects

• Defect is a specific issue that deviates from requirements

• Bugs can be minor issues, while defects are more serious

• Example: Bug - software crashes randomly. Defect - login button does not work as intended