Comcast India Engineering Center Data Analyst Interview Questions and Answers

Medium level apti and verbal.

Q1. Depend upon your resume + Project
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Q1. Project + Basic HR questions
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It was very easy and out of 1000 students 300 students got shortlisted.

Q1. It was also easy and out of 300 students 30 got shortlisted.
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Q2. What are oops? Explain 4 pillars
Ans. 
OOPs stands for Object-Oriented Programming. The 4 pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: Parent class 'Animal' and child class 'Dog' inheriting from 'Animal'.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Using private variables and public methods in...read more
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Q3. What is DBMS and SQL?
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DBMS stands for Database Management System, which is a software system that manages databases. SQL is a language used to interact with databases.
• DBMS is a software system that allows users to define, create, maintain, and control access to databases.

• SQL (Structured Query Language) is a language used to communicate with a database. It is used to retrieve, update, and manage data in a database.

• Examples of popular DBMS in...read more
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Q4. What is MongoDB? Explain it.
Ans. 
MongoDB is a NoSQL database program that uses a document-oriented data model.
• NoSQL database program

• Document-oriented data model

• Uses JSON-like documents for data storage

• Supports dynamic schemas for flexible data structures
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Q5. Explain all hooks of React.
Ans. 
React hooks are functions that let you use state and other React features without writing a class.
• Hooks are functions that let you use state and other React features in functional components

• useState() - allows functional components to have local state

• useEffect() - allows functional components to perform side effects

• useContext() - allows functional components to access context

• useReducer() - an alternative to useState() ...read more
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Q1. About Project Experience, most -Critical task and situation I handled , My accomplishment in current project
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Q1. Reason for job change, about axtria
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Aptitude Test is to generally Test your speed and calculation skills and how your mind thinks and solves a question in minimum time. So, the test includes English, Apti, Computer Basic Fundamentals questions to test you all the way.

Q1. This round is to explain the kind of work you have done before and the skills you possess to contribute specifically upto company expectations and hold the necessary experience in skills required.
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Q1. This round is to discuss about yourself and also some technical aspects can also be discussed in the same (depends).
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Easy

Q1. Reg previous project and some puzzles
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Q1. Share details of your previous job.
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Q2. Why are you looking for a change?
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It was a genuine test with quite some logical questions of math ,english,ds and some aptitude based which i clearly dont remember thoroughly but crux is mentioned

Q1. It was an one on one technical round with hiring personnel of axtria and can be termed easy to intermediate question
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Q1. This was a genuine HR or can say mangerial round where questions usually asked were asked
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Basic aptitude, basic reasoning English ah and coding mcq's.

Q1. Questions focused on SQL and powerbi.
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