Aaseya IT Services QA Test Lead Interview Questions and Answers

Q1. Describe yourself
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Q1. What do you know about Sales?
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Q1. It was a Situational Sale Question.
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There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.

In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.

Q1. In Managerial round again here I have been asked questions related my projects. and no coding round in this stage.
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Q1. What is Tuples? How do you convert a string to a tuple?
Ans. 
Tuples are immutable sequences of elements. A string can be converted to a tuple using the tuple() function.
• Tuples are similar to lists but are immutable

• Elements of a tuple are enclosed in parentheses ()

• A string can be converted to a tuple using the tuple() function

• Each character in the string becomes an element in the tuple
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Q2. What is Left Join? Show one Left join for 2 data frames on Python
Ans. 
Left join is a type of join operation in SQL that returns all the rows from the left table and matching rows from the right table.
• Left join is performed using the 'left join' keyword in SQL

• In Python, left join can be performed using the 'merge' function from the pandas library

• Syntax: pd.merge(left_dataframe, right_dataframe, how='left', on='key_column')

• Example: pd.merge(df1, df2, how='left', on='id')
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Q1. Why we are hiring you
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Q2. What's your qualification
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Q3. Tell me about your daily ruteen
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Q1. Explain MVC pipe-line.
Ans. 
MVC pipeline is a design pattern that separates an application into three interconnected components: Model, View, and Controller.
• Model represents the data and business logic

• View displays the data to the user

• Controller handles user input and updates the model and view accordingly

• The pipeline ensures separation of concerns and promotes modularity

• Example: A user enters data in a form (input), the controller receives the i...read more
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Q2. Howrouting works in Asp.Net MVC?
Ans. 
Routing in Asp.Net MVC maps incoming requests to appropriate controller actions.
• Routing is configured in RouteConfig.cs file.

• Routes are defined using MapRoute method.

• Routes can have placeholders for dynamic values.

• Routes can have constraints to restrict the values of placeholders.

• Routes can be named for easy reference.

• Default route is defined as {controller}/{action}/{id}.

• Attribute routing can also be used to define ro
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Q3. How to move from one entity framework version to another in a project?
Ans. 
To move from one Entity Framework version to another, update the NuGet package and make necessary code changes.
• Update the NuGet package to the desired version

• Make necessary code changes to accommodate any breaking changes

• Test thoroughly to ensure the application still works as expected
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Q4. How WCF is different from Asp.Net Web Api?
Ans. 
WCF is a framework for building distributed systems while Asp.Net Web Api is for building HTTP services.
• WCF supports multiple protocols like TCP, HTTP, Named Pipes, etc. while Web Api only supports HTTP.

• WCF has more configuration options and is more flexible than Web Api.

• Web Api is more lightweight and easier to use for building RESTful services.

• WCF is more suitable for building enterprise-level applications with compl...read more
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Q5. How to create a restful service without using Asp.Net Web Api template?
Ans. 
Creating a RESTful service without using Asp.Net Web Api template.
• Use a lightweight framework like Flask or Express

• Define routes and HTTP methods for each endpoint

• Serialize data to JSON format

• Handle errors and exceptions

• Test the service using tools like Postman or curl
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Q6. Difference between drop, truncate and delete.
Ans. 
Difference between drop, truncate and delete.
• DROP command removes a table from the database

• TRUNCATE command removes all rows from a table

• DELETE command removes specific rows from a table
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Q7. How many types of routings are there in Asp.Net MVC?
Ans. 
There are two types of routings in Asp.Net MVC: convention-based routing and attribute routing.
• Convention-based routing uses default routing rules to map URLs to controller actions.

• Attribute routing allows developers to define custom routes using attributes on controller actions or at the controller level.

• Both types of routing can be used together in the same application.

• Convention-based routing is the default routing ...read more
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Q8. How to go about performancetuning in SQL?
Ans. 
Performance tuning in SQL involves optimizing queries, indexes, and server settings to improve database performance.
• Identify slow queries using profiling tools

• Optimize queries by rewriting or adding indexes

• Adjust server settings such as memory allocation and disk usage

• Consider partitioning large tables

• Regularly monitor and analyze performance metrics
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Q9. Given a project requirement, how to choose between .Net framework and .Net Core?
Ans. 
Choose .Net Core for cross-platform and cloud-based applications, .Net Framework for Windows-only applications.
• Consider the target platform and deployment environment

• Choose .Net Core for cross-platform and cloud-based applications

• Choose .Net Framework for Windows-only applications

• Check for compatibility with existing libraries and frameworks

• Consider performance and scalability requirements
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Q1. Why would to like to change your organisation?
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Q1. Details of your studies and previous work experience
Ans. 
I have a Bachelor's degree in Computer Science and 2 years of experience in Quality Assurance.
• Bachelor's degree in Computer Science

• 2 years of experience in Quality Assurance

• Experience in testing web and mobile applications

• Experience in creating test plans and test cases

• Experience in using tools like JIRA and Selenium
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Q2. Why you are interested to join here
Ans. 
I am interested to join here because of the company's reputation and the opportunity to utilize my skills as a Quality Analyst.
• I have researched the company and found that it has a great reputation in the industry.

• I am excited about the prospect of working with a team of professionals who are dedicated to delivering high-quality products.

• I believe that my skills and experience as a Quality Analyst will be put to good u...read more
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Q3. What you expect from.us.
Ans. 
I expect a supportive work environment that values quality and encourages growth.
• Clear communication and expectations

• Opportunities for professional development

• Recognition for quality work

• Collaborative team atmosphere

• Access to necessary resources and tools
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Q4. 1 yr bond sign do you have any objection
Ans. 
I do not have any objection to signing a 1-year bond.
• I understand that a bond is a common practice in many companies to ensure employee commitment.

• I am willing to commit to the company for at least a year.

• I would like to know more about the terms and conditions of the bond before signing it.
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Q5. Why you left your previous job
Ans. 
Seeking better growth opportunities and challenges.
• Limited scope for professional growth in previous job

• Looking for new challenges and learning opportunities

• Desire to work in a more dynamic and innovative environment

• Company downsizing or restructuring

• Commute time or work-life balance issues
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Q1. Introduce yourself and ask the skills and technologies which i presented in the resume.
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Q2. Basics of Java and other related concepts
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Q1. Introduce yourself and salary discussions.
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Q1. Windows technology
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Q1. Scenario based questions
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Q1. Salary discusssion
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