Selenium Interview Questions and Answers


What is Selenium? What is the difference between Selenium WebDriver and Selenium IDE?

Selenium is an automation tool which is used to test different applications mainly web applications, browsers and platforms. Selenium is a set of tools:
Selenium Integrated Development Environment: It’s a record and playback tool designed to record the user actions and playback the user actions that are performed.
Selenium Remote Control: It is used to write automated web applications UI in any programming languages such as Java.
Selenium WebDriver: It is introduced in Selenium 2.0, the robust technology that was used in Selenium webdriver uses browser native commands.
Selenium Grid: It is also introduced with Selenium 2.0, it is mainly used to distribute the test in different systems and manage from a single point.

What are the browsers and environments selenium supports?

Selenium Supporting Browsers:  Firefox 27, 26, 24, 17; Internet explorer 6, 7, 8, 9, 10, 11; Safari Driver 5.1x, Opera Driver 12.x and chrome driver.
Selenium Supporting Environments: Windows xp, 7, 8, 8.1 and Windows 10 and Linux.

What are the programming languages Selenium supports?

Selenium supports C#, Java, JavaScript, Objective C, Perl, PHP, Python, Ruby.

How much you rate yourself on Selenium out of 10?

Well, don’t overrate yourself for this question, give the answer what you feel and don’t give too less as well.

Why did you choose Selenium as your tool for automation?

These days most of the company’s preferring Selenium as their functional testing tool as it is an open source software and is widely used and you can do different types of automation testing and it has large online community support and you can develop our scripts with different programming languages such as C#, Java, Ruby, Python etc.

What are the differences between Selenium and UFT or QTP?

Selenium is an open source tool
UFT is a commercial automation tool by HP.
You can test only web applications
You can test different applications and web browsers.
You can develop the scripts only on VB script
You can develop the scripts with Java, Perl, Ruby, PHP etc.
Selenium has good online community support
UFT has technical support by HP

What are the different types of testing you can do with Selenium?

By using selenium you can do functional testing, smoke testing, regression testing, integration testing, Load and performance testing.

What is Selenese?

Selense is s a set of commands that were performed by a selenium tool on the web application.

What are the different type of locators or elements available in Selenium?

ID, Name, Link, CSS, XPATH, DOM and location by element id etc.

What is assertion and what are the different types of assertions available in Selenium?

You can perform different assertions on the application such as text, alert, editable, checked etc.One of the popular assertion and my favorite is assertTrue(message, condition).

What are the different web drivers available in selenium?

FirexfoxDriver, ChromeDriver, SafariDriver, OperaDriver, InternetExplorerDriver, IPhoneDriver, IphoneSimulaterDriver, RemoteWebDriver.

These are some of the frequently asked questions in selenium.

Some of the important websites on Selenium:


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