Deloitte QA Automation Engineer Interview Questions, Process, and Tips for Experienced

Round duration - 60 Minutes
Round difficulty - Medium

This round started with some basic questions from Software Testing and then the interviewer started asking some questions from Automation Testing.

Q1. Can you explain the Software Testing Life Cycle (STLC)?
Ans. 
STLC (Software Testing Life Cycle) is a fundamental part of SDLC which is used to test software and ensure that the
quality standards are met. It generally involves both verification activities and validation activities. In this, different
activities are executed in a specific order throughout the software testing process. There are basically six different
phases in STLC. They are as follows :

1) Requirement Analysis
2) Tes...read more
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Q2. What is the difference between a Test Stub and a Test Driver?
Ans. 
Test driver and test stub, both are types of test harness that are used to provide a simulation environment for testing
a module or component. They both are dummy modules specially created for test purposes.

Test stubs: Test stubs are used in a top-down testing approach and allow testing of the upper levels of the code when
the lower levels of the code are not developed yet. It is used as ‘called programs’ when subprogram...read more
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Q3. What do you mean by data flow testing?
Ans. 
Data flow testing is a type of structural testing that is used to analyze the flow of data in the program. In this, a
programmer can perform various tests on data values and variables. Using this testing, one can determine the
variables that are used at every stage of the program’s control flow. It helps us in the following ways:

1) Eliminate or remove variables that are never used after being declared
2) Pinpoint variable...read more
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Q4. What is boundary value analysis?
Ans. 
In software, many errors occur near the edges of the range of the data values. For example, when the programmer
uses the greater-than operator (>) instead of the greater-than-or-equal-to (>=) operator, it causes the off-by-one
indexing error.

Typically, developers miss these boundary cases because they follow a happy path when developing and testing.
Boundary value analysis helps to discover the errors caused by extr...read more
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Q5. What are the different parts of a test automation framework?
Ans. 
A test automation framework makes it easy to perform automation testing for your software. Here are some
components of a test automation framework.

1) Test Data Management :
i) A big problem in automation testing is generating the test data. A good test automation framework makes it easy to
build test data for the application under test.


2) Testing Libraries :
i) Managing and running the automated tests is a crucial componen...read more
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Q6. What are some of the best practices in test automation?
Ans. 
Here are some of the best practices a software development and the testing team should use to ensure quality software.

1) Decide what to automate :
i) It’s not possible or practical to automate certain tests, such as usability, accessibility, exploratory testing, or non-
repetitive test cases that frequently change.


2) Assign test cases based on skill and experience :
i) When dividing test cases, take into account the skill...read more
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Q7. How do you automate the testing of CAPTCHA?
Ans. 
It’s not possible to automate the testing of CAPTCHA. That is the goal behind any good CAPTCHA strategy. By
definition, a computer can’t automate it. If it could, then it’s not a good challenge that you can use in your application.

However, if you need to test an application that uses CAPTCHA, you have to work with the development team to
build a workaround or a back door that allows the automated test to bypass the CAPTC...read more
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Q8. What is Protractor?
Ans. 
1) Protractor is an open-source automated testing framework that allows you to perform end-to-end testing of your web
applications. It’s built on top of WebDriverJS. 

2) Protractor is developed by Google and is especially used for testing Angular applications.

3) Protractor runs the tests against the web application by running it in real web browsers. 

4) It also interacts with the application like an end-user wo...read more
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Round duration - 60 Minutes
Round difficulty - Medium

This round had questions majorly from Selenium and Cucumber.

Q1. What are the different components of Selenium?
Ans. 
Selenium is not a single tool or a framework. It is a suite of tools that work with each other or in isolation to provide
different types of automation testing. Here are the four major components of Selenium.

1) Selenium WebDriver
i) A collection of open-source APIs and browser-controlling code implementations that provide a concise and
straightforward programming interface.

2) Selenium Grid
i) It enables the tester to run m...read more
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Q2. Why should Selenium be selected as a testing tool for web applications or systems?
Ans. 
Selenium provides the following advantages, which make it an excellent automated testing framework :

1) It is free and open-source software with a large user base and supports providing community.

2) It has cross-browser compatibility and supports multiple browsers like Google Chrome, Mozilla Firefox, Internet
Explorer, Edge, Opera, Safari, etc.

3) It supports multiple operating systems such as Windows, Linux, macOS, etc.

4...read more
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Q3. What is the difference between Selenium and Cucumber?
Ans. 
Open-source testing tools, Selenium and Cucumber are both used for functional testing. However, there are some
distinctions between them.

Here are some key distinctions between Selenium and Cucumber :

1) Cucumber is a behavior-driven development automation tool that may be used with Selenium. Selenium is a web
browser automation tool for web projects (or Appium).

2) Cucumber is used for acceptance testing, while Selenium is...read more
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Q4. Can you explain the JUnit annotations that are linked with Selenium?
Ans. 
The JUnits annotation linked with Selenium are :

1) @Before public void method() – It will perform the method () before each test, this method can prepare the test
2) @Test public void method() – Annotations @Test identifies that this method is a test method environment
3) @After public void method() - To execute a method before this annotation is used, test method must start with
test @Before
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Q5. How can you run a selected test from a group of tests in Cucumber?
Ans. 
1) We may execute a single test from a set of tests in the Cucumber framework using the tags idea. 

2) This is found in the TestRunner file's @CucumberOptions section. With the use of the @t keyword, we may tag a scenario in the feature file. 

3) A scenario can have one or more tags within the feature file. We can separate test scenarios with the
assistance of tagging. 

4) We must pass the value within the t...read more
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Q6. What is grouping in the context of Cucumber?
Ans. 
Cucumber is unconcerned about the names of your step definition files or the order in which you place them. Instead
of maintaining all steps in a single file, we can create steps.rb file for each major action/feature. This is referred to as
grouping.
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Q7. Can you explain briefly how Behavioral Driven Development (BDD) works?
Ans. 
There are majorly three steps in the working of BDD. They are as follows:-

1) Behaviour Description: We list down the features of our application first in the feature file.

2) Making the Step Definition file: The mapping between each step of the scenario defined in the feature file and a
code of the function to be executed is stored in the steps definition file.

3) Testing and running: We run the test cases to check if we ...read more
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Round duration - 30 Minutes
Round difficulty - Easy

This is a cultural fitment testing round. HR was very frank and asked standard questions. Then we discussed about my
role.

Q1. Why should we hire you?
Ans. 
Tip 1 : The cross questioning can go intense some time, think before you speak.

Tip 2 : Be open minded and answer whatever you are thinking, in these rounds I feel it is important to have opinion.

Tip 3 : Context of questions can be switched, pay attention to the details. It is okay to ask questions in these round,
like what are the projects currently the company is investing, which team you are mentoring. How all is the ...read more
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Q2. What is something about you that is not included in your resume?
Ans. 
If you get this question, it's an opportunity to choose the most compelling information to share that is not obvious from
your resume.

Example :

Strength -> I believe that my greatest strength is the ability to solve problems quickly and efficiently, which makes me
unique from others.

Ability to handle Pressure -> I enjoy working under pressure because I believe it helps me grow and become more
efficient.


Tip : Emphasiz...read more
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Q1. Difference between findElements and findElement?
Ans. 
findElements returns a list of web elements matching the locator, while findElement returns the first web element matching the locator.
• findElements returns a list of web elements, findElement returns the first element

• findElements returns an empty list if no elements are found, findElement throws NoSuchElementException

• findElements is useful for finding multiple elements, findElement is useful for finding a single elemen
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Q2. Coding: take your name as input. Print them letter by letter and print if vowels repeat in your name.
Ans. 
The code takes a name as input, prints each letter, and checks if any vowels repeat in the name.
• Create a function that takes a string input for the name

• Iterate through each letter in the name and print them individually

• Check for vowel repetition by keeping track of vowels encountered
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Q3. What is Fluent wait?
Ans. 
Fluent wait is a dynamic wait mechanism in Selenium WebDriver that waits for a condition to be true before proceeding.
• Fluent wait is used to handle dynamic web elements that may load at different times.

• It can define the maximum amount of time to wait for a condition, as well as the frequency of checking.

• Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.until(ExpectedConditions.visibilityOfElementLocated
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Q4. Some others selenium questions.
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Q5. Tell me about yourself. Role and responsibilities from your previous project.
Ans. 
I am an Automation Engineer with experience in designing and implementing automated test scripts for web applications.
• Designed and implemented automated test scripts using Selenium WebDriver for regression testing

• Collaborated with developers to integrate automated tests into continuous integration pipeline

• Performed manual testing to identify bugs and validate automated test results
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Python selenium robot framework

Q1. Python programming
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Q2. Robot framework basics
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Recursion, cyclic sort, string