To assist students and professionals preparing for Certified SDET professional courses, SDET Certification, and Certified SDET course, the following list of frequently requested SDET interview questions has been assembled. At the end of this question and answer section, please find the complete set of Software Development Engineer in Test (SDET) Interview questions.
What distinguishes manual testers from SDETs?
Unlike manual testers, who only have limited programming skills and can build and run test cases, SDET is a highly competent resource that possesses both development and testing skills.
Testers are not expected to design the automation tools; they may simply use the numerous automation tools that SDETs may develop and make use of.
What are the SDET's duties and obligations?
· The roles and duties of SDET are listed below:
· taking part in discussions on architecture and design
· being aware of the project's requirements
· the development of an automation framework and the execution of testing using the framework
· Create many test scenarios and acceptance criteria
· SDET collaborates with the development team to address the problem.
· Creating defect reports and controlling team communication
What are the responsibilities and roles of an Agile Tester?
· He ought to go to the sprint planning meetings.
· He ought to go to stand-ups every day.
· He needs to be able to communicate with businesspeople and stakeholders to better understand how the programme works.
· To grasp the actual flow of the code and brief hand-off demonstrations, he should regularly contact with other teams, such as the development team.
· He shouldn't wait till testing is complete before beginning development. Throughout the sprint, testing and development should coexist.
· Using efficient testing tools, he should be able to automate the majority of the test cases.
What distinguishes Quality Control from Quality Assurance?
Activities that are process-oriented are included in quality assurance. It concentrates on the strategies, tactics, techniques, and procedures and makes sure they are used properly.
It primarily focuses on mitigating errors during the creation of software applications.
Activities related to products are included in quality control. It makes ensuring that the project's approaches, strategies, methodologies, and processes are carried out correctly.
It focuses on how a programme or piece of code is executed to find errors in the software application.
What distinguishes Priority from Severity?
The difference between severity and priority is how much of an impact a fault has on the application. Priority refers to the order in which a flaw should be corrected.
For instance, a website that manages employee records does not let saving the data when the Save button is clicked. Due to the fact that the main feature is being blocked, this would be a highly serious flaw.
Due to broken primary functionality, this has to be addressed immediately.
Give an illustration of a defect with a high priority and high severity.
Customers are unable to log into the application because the submit button on the login page is not functioning.
As an illustration, consider a website that only permits authorised users to access it after providing proper login information and doing so.
However, the login button on the page prevents a legitimate user from accessing the website. The high severity and high priority defect would then be this.
Provide a Low priority and High Severity bug example.
There is a crash in some features that will be fixed in a few updates.
For instance: A link on the FAQ page is not working, although end users hardly ever access this link. Therefore, it can be corrected in a subsequent release. As a result, this would be a high severity bug because a link on the website isn't working, but since the user isn't using it, it can be given low priority.
What distinguishes a test scenario from a test case?
All testable functionality is described in a test scenario.
The steps that must be taken are listed in a document called the test case.
For eg.:
Test Situation: Access the programme.
This test scenario examines the application's functioning and will cover several test cases, including:
TC1: Confirm the legitimacy of an email.
TC2: Check to see if a valid email address and password were entered.
Check that the correct error messages are shown if the erroneous email address or password is entered.
Describe a test plan.
A test plan is a written document that outlines the purpose, strategy, available tools, and timetable for testing activities.
What elements make up the test plan?
· Test Approach
· Test Purpose
· Entry and Exit Requirements
· Resource Management
· Results of the Test
What is Test Script, exactly?
A little programme called Test Script that is developed in a programming language is used to test a portion of the functionality.
For instance, we may create the script as follows to click any button:
click(“buttonName”);
What distinguishes beta testing from alpha testing?
Alpha testing is pre-release testing done at the developer's site by a representative of the end user.
Beta testing is when users do tests on their own premises.
For instance, before any new version of Android is launched, alpha testing is carried out with the developer to ensure that it functions as intended.
The end user conducts beta testing once alpha testing is finished to ensure that there are no defects or crashes.
What distinguishes regression testing from sanity testing?
Sanity testing is a type of surface-level testing in which the tester determines whether all of the software's functionality operates properly.
Regression testing involves putting programme changes to the test to see if the older functionality still functions after the new changes.
What is re-testing, exactly?
Retesting is the process of verifying the bugs that the development team has fixed.
As an illustration, suppose that in any version, let's say 1.1, a bug is introduced. The bug is rectified by developers, and the 1.2 release is then made available to testers. As a result, the tester will test the flaw once more in the 1.2 version to see if it has been corrected or not. Re-testing is the process of going over the defect once more.
Boundary Value Testing: What Is It?
Testing on boundary conditions, below and above the borders of input and output equivalence classes, is known as boundary value testing.
For instance, certain text boxes only accept numbers between 3 and 8.
Boundary value minimum: 3
Boundary value maximum: 8
Testing with 2 (below range) and 9 invalid inputs (above range)
Valid inputs for testing are 3(min), 4(min+1), 7(max-1) and 8 (max)
What is the Traceability Matrix, exactly?
The relationship between test cases and requirements is displayed in a document called a traceability matrix.
Before test case designing, it is prepared.
All of the requirements and modification requests are tested as a result.
What is the Requirement Traceability Matrix (RTM) process?
The procedures below should be followed to create the requirement traceability matrix:
· Assemble all necessary paperwork. Among the documents are business requirements
· Technical specification document, functional specification document, etc.
· List each requirement from the business requirement document together with its corresponding requirement ID number.
· List all functional requirements for each business requirement in the Functional Specification Document.
· Link the available test case ids to the relevant functional requirements in the open test scenario or test case document.
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