Mastek Interview Questions, Process, and Tips

Very basic questions, if you want to score better marks than the rest - practice some easy level syllogism based questions

Trending and generic on spot topics were given. For Eg. Border issues

Q1. Whatever you put in your resume, they ask questions only from that
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Q2. Very basic questions were asked, make sure you know every single thing about your project
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Q1. For some , they conducted 2 technical rounds and for some they were directly asked to attend the HR round
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Q2. It depends purely on what you put in your resume
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Q1. They started the interview process at 8:00 AM in the morning and it was already 10.30 PM so they skipped the HR round and announced the results
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Q1. How to create DBT project
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To create a DBT project, you need to set up a project directory, create models, define sources, and run tests.
• Set up a project directory with a dbt_project.yml file

• Create models in the models directory using SQL files

• Define sources in the sources.yml file

• Run tests using dbt test command
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Q2. Explain materializations in dbt
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Materializations in dbt are pre-computed tables that store the results of dbt models for faster query performance.
• Materializations are created using the 'materialized' parameter in dbt models.

• Common types of materializations include 'view', 'table', and 'incremental'.

• Materializations help improve query performance by reducing the need to recompute data on every query.

• Materializations can be refreshed manually or automa
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Q3. What are dbt snapshots?
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dbt snapshots are a way to capture the state of your data model at a specific point in time.
• dbt snapshots are used to create point-in-time snapshots of your data model

• They allow you to track changes in your data over time

• Snapshots can be used for auditing, debugging, or creating historical reports
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Q1. Difference between callback, promises and async await?
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Callbacks are functions passed as arguments, promises represent eventual completion of an asynchronous operation, async await is syntactic sugar for promises.
• Callbacks are functions passed as arguments to be executed after a certain task is completed.

• Promises represent the eventual completion of an asynchronous operation and allow chaining of multiple asynchronous operations.

• Async await is syntactic sugar for promises,...read more
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Q2. Explain the life cycle of react?
Ans. 
React has three main phases in its life cycle: Mounting, Updating, and Unmounting.
• Mounting: Component is created and inserted into the DOM.

• Updating: Component is re-rendered when props or state change.

• Unmounting: Component is removed from the DOM.
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Q1. How hashmap works internally
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