Deloitte QA Automation Engineer Interview Questions and Answers

Q1. Oops and dbms were asked
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Q2. All oops concepts were asked
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Question on java basics

Q1. Oops concept and hr question
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Q1. Lifecycle hooks of Angular
Ans. 
Angular lifecycle hooks are methods that allow you to tap into specific points in a component's lifecycle.
• ngOnChanges: called when an input property changes

• ngOnInit: called once the component is initialized

• ngDoCheck: called during every change detection run

• ngAfterContentInit: called after content (ng-content) has been projected into the component

• ngAfterContentChecked: called after every check of the projected content

• ng...read more
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Q2. SOLID principles
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Q1. Questions on SQL
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Q1. Introduction and basic questions
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1. One question was given to be solved in 1 hour. Question was medium level based on strings.

Q1. 1. 1:1 interview, mostly discussion around OOPS concepts and some basic dynamic programming questions.
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1. 3 questions were given out of which any 2 needed to be solved. 1 question related to Database design and query, 2 questions related to DSA, both DSA questions were medium-hard type based on Dynamic programming and graph.
I solved one Dynamic programming question and Database question.

Q1. 1. This round was the follow up of last case study round. Interviewer gave various use cases to test on the algorithms that I had written. Some discussion related to OOPS concepts and Database design quest...read more
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Q1. It was final discussion, mostly around cultural fit and classic HR questions. It was easy one, I'd say.
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Q1. How does Django apply migrations to the database?
Ans. 
Django applies migrations to the database using the 'manage.py migrate' command.
• Django tracks changes to models and generates migration files accordingly.

• The 'manage.py makemigrations' command creates migration files based on model changes.

• The 'manage.py migrate' command applies the generated migration files to the database.

• Migrations help keep the database schema in sync with the changes in Django models.
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Q2. What is hoisting in javascript?
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Create a full stack application in 3 days.

Q1. About Project and expertise
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Q2. Why BCG?
Ans. 
BCG offers a challenging and innovative work environment with opportunities for growth and development.
• BCG is known for its cutting-edge technology and innovative projects

• Opportunities for professional growth and development

• Strong company culture focused on collaboration and teamwork
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Q1. Polymorphism, OS Deadlock
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Q1. More about how to resolved code merge issue in Git
Ans. 
Resolving code merge issues in Git involves understanding conflicts and using tools to manage them effectively.
• Identify conflicts: Use 'git status' to see which files have conflicts.

• Manual resolution: Open conflicted files and look for conflict markers (<<<<<<<, =======, >>>>>>>) to resolve them.

• Use merge tools: Tools like 'kdiff3' or 'meld' can help visualize and resolve confl...read more
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