Introduction to QC Interview Questions and Answers

QC (Quality Control) of a Software System or a Product is defined as a set of procedures followed by an organization or any International Standards available based on a reference for quality output of a product to ensure the efficient product deliverables to meet the customer demands and satisfaction. Different parameters that will be considered for the Software Quality are functional requirements and non-functional requirements, which directly and indirectly affect the product, such as performance, usability, and supportability. The ways of handling unexpected scenarios or situations and the error rates are majorly considered during the product’s performance. The term Software Quality Assurance is different from Software Quality Control as the software quality assurance encompasses the different standards and processes for the stable maintenance of the quality of the products, for e.g. software deliverables, processes, and documentation, reducing the number of defects, etc. In contrast, software quality control is a kind of artefact compliance validation against the established requirement criteria in finding the defects.

If you are looking for a job related to Quality Control, you need to prepare for the 2020 Quality Control Interview Questions. Every interview is indeed different as per the different job profiles. Here, we have prepared the important Quality Control Interview Questions and Answers, which will help you succeed in your interview.

In this 2020 Quality Control Interview Questions article, we shall present the 10 most important and frequently asked Quality Control Interview questions. These questions are divided into two parts are as follows:

Part 1 – Quality Control Interview Questions (Basic)

This first part covers basic Interview Questions and Answers.

Q1. What is Software Quality Control and explain its benefits?

Answer:
Software Quality Control is a set of standard procedures followed by any organization or institute or any Standards set by the International group based on a standard reference for a quality product to ensure the efficient deliverables to meet the customer satisfaction and requirements. The several benefits of Software Quality Control are as below –

Software System or Product efficiency can be increased.
Product defects can be minimized before the delivery.
Development time can be reduced.
Customer Satisfactory Index can be improved.
Strong trust and relationship can be established with the client.
Faster application development with a smaller number of defects.

Q2. What are the different steps or processes involved in the Quality Control Procedure?

Answer:
This is the basic Quality Control Interview Question asked in an interview. The different steps or processes involved in the Quality Control Procedure are Reviewing and Testing the product as per requirement. The steps involved in the Review and Testing phases mentioned below–

Reviewing Phase:

Requirement Analysis
Design Phase
Code Build and Development
Application or Code Deployment
Test Plan phase
Implementing test cases

Testing Phase:

Unit Testing
Integration Testing
System Testing
System Integration Testing
Non-Functional Testing
User Acceptance Testing

Q3. What are the different types of Quality Control Parameters available in Software QC?

Answer:
The different types of Quality Control Parameters available in Software Quality Control are Products, processes, and Resources which are explained below:

Products: The Products are the customer’s actual requirements, which are to be delivered with at most zero defect.
Processes: The Processes are the set of rules or procedures to be followed while testing the Software System or Product to ensure the best product deliverable. The set of processes will enable the testing procedure to be carried out efficiently so as it tests the complete product without missing any functional or non-functional inabilities as per the customer requirement specifications.
Resources: Resources to be deployed are to be very efficient in terms of team or tools or technologies used. The testing procedure can be followed either by automatic or manual based on a budget of the project. If manual, then efficient resources should be available within the team in order to avoid any manual errors or defects. In contrast, Automated testing also needs a technical professional to be deployed.

Q4. What are the different types of Quality Control Processes involved?

Answer:
The different types of Quality Control Processes involved are Plan, Do, Check, Act, and they are explained below –

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Plan – This is a stage where all the Quality Control processes are followed and gathered as a single test coverage document or can be called a Test Plan Document
Do – This is a stage where all the Quality Control processes are defined in the form of parameters to develop the Quality Standards.
Check– This is a stage where all the Quality Control processing parameters meet the quality as per the prescribed standards.
Act– This is a stage where necessary actions will be taken to ensure the quality and to repeat if needed and by taking corrective actions.

Q5. What are the different types of testing performed as part of Quality Control processes?

Answer:
The different types of testing performed as part of Quality Control processes are such as Unit testing, Functional testing, Integration testing, System Testing, System Integration Testing, Non-Functional Testing, User Acceptance Testing, Beta Testing, Performance testing, Regression testing, Volume testing, Recovery testing, Usability testing, Stress testing, Load testing, and Installation testing.

Part 2 – Quality Control Interview Questions (Advanced)

Let us now have a look at the advanced Interview Questions.

Q6. What are the different characteristics of Quality Control?

Answer:
The different characteristics of Quality Control are described as below:

To adopt a different set of processes.
To deliver a product with high quality.
To deliver quality products to customers at a low cost.
To improve quality always by implementing processes from different organizations or standards.
To ensure the plan is properly executed.
To ensure execution is planned with the correct review process.

Q7. What are the different factors involved in the Software Quality Control of a System or Product, and explain them?

Answer:
The different factors involved in the Software Quality Control of a System or a Product are such as Usability, Portability, Maintainability, Reliability, and Efficiency which are explained as below –

Usability – Ease of using the software.
Portability – To be able to use in different locations or environments.
Maintainability – Ease of maintenance and upgrading functionalities.
Reliability – Long reliability without any downtime or defects
Efficiency – To be able to meet the requirements efficiently.

Q8. What are the Quality Control characteristics as per ISO standards?

Answer:
The different Quality Control characteristics as per ISO standards are described as below –

Portability
Maintainability
Reliability
Efficiency
Usability

Q9. What are the different Software Control Views?

Answer:
This is the most asked Quality Control Interview Question in an interview. These are the Different Software Control Views

User
Product
Development
Value

Q10. What is the best tool available for QC?

Answer:
The best tool available for Quality Control is HP ALM(Application Lifecycle Management) which is a product of HPE Company is a test management tool.

Quiz Result
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