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Selenium Interview Questions


1) What is automation testing?

Automation testing is used to automate the manual testing. It is a process of automating the manual process to test the application/system under test. It uses separate testing tools which facilitate you to create test scripts which can be executed repeatedly and doesn't need any manual intervention.

2) What are the benefits of automation testing?

The benefits of automation testing are listed below

  • It supports execution of repeated test cases.
  • It facilitates parallel execution.
  • It aids in testing a large test matrix.
  • It improves accuracy because there are no chances of human errors.
  • It saves time and money.
3) What is Selenium?

A) Selenium is a browser based functional test automation tool. It is basically a library which you can use in your program to test a web application. It is important to note that selenium is mainly used for browser automation. It is NOT used for unit testing or API testing. Selenium Web driver has many language bindings, which means you can write your tests in your favorite programming language and using the respective selenium bindings.
4) What is Selenium Composed Off?
Selenium is composed off
Selenium IDE (Integrated Development Environment) :  It is a tool for recording and playing back.  It is a Firefox plugin
Web Driver and RC:  It provide the APIs for a variety of languages like Java, .NET, PHP, etc. With most of the browsers Web driver and RC works.

Grid: With the help of Grid you can distribute tests on multiple machines so that test can be run parallel which helps in cutting down the time required for running in browser test suites

5)  how many languages does selenium WebDriver support?
 The main ones are: Java, C#, php, Ruby, Python

6) What is Selenium 1.0?


Selenium 1.0 is popularily known as Selenium Remote Control (Selenium RC). It is a library available in wide variety of languages. The main reason to use Selenium RC was that Selenium IDE was incapable to execute tests in browsers other than Selenium IDE and the limitation of language Selenese used in Selenium IDE.

7) What is Selenium IDE?

Selenium IDE is a firefox plug-in. It is used to record and replay tests in firefox browser. It is used only with firefox browser.

8) What is selenium 2.0?

Selenium 2.0 is a tool which is a combination of web testing tools Selenium RC and WebDriver.

9) What is Selenium 3.0?

Selenium 3.0 is the latest version of Selenium. There are 2 beta version of Selenium released with few changes in the previous versions.

10) What are the limitations of selenium?



Selenium has following limitations:

  • It can be used only to test web based application.
  • Mobile applications can not be tested using selenium.
  • You can not test captcha and bar code by using selenium.
  • The user must have the knowledge of programming language for using selenium.
  • Reports can only be generated using third party tools like TestNG or Junit.


Think above shared interview questions are very much useful in order to become expert in selenium you can enroll best Selenium Training in Chennai only at Besant Technologies. The  training in selenium are offered by professional from IT companies who teach selenium with real time example so join Selenium Training in Chennai  to kick start your career










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