Vtc Transport P. Interview Questions and Answers

Q1. System design, binary search related questions
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Q1. Basic Linked list, recursion question.
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Q1. Asked related to introduction and about previous company profile
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Q1. Related to advanced excel
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Q1. All about excel and about your previous work experience
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All about analytical and excel

Q1. Just salary discussion
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Q1. Q1/- How to extract data from database
Ans. 
To extract data from a database, one can use SQL queries or programming languages like Python or R.
• Use SQL queries to extract data from a database

• Use programming languages like Python or R to extract data from a database

• Connect to the database using appropriate credentials

• Identify the tables and columns from which data needs to be extracted

• Write the query or code to extract the data

• Save the extracted data in a desired
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Q2. Q2/- What are the Tableau Datatypes
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Tableau has 14 datatypes including string, integer, float, date, boolean, and more.
• Tableau has 14 datatypes

• String, Integer, Float, Date, Boolean, and more

• Data types can be changed in Tableau

• Data types affect how data is displayed and aggregated

• Examples: String - 'John Smith', Integer - 25, Float - 3.14, Date - 01/01/2021, Boolean - True/False
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Q1. Q1/- Related company example along with Excel
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Q2. Q2.- Vlookup() copy record from one sheet to another sheet
Ans. 
Vlookup() is a function in Excel that can be used to copy records from one sheet to another based on a common identifier.
• The Vlookup() function searches for a value in the first column of a table array and returns a corresponding value in the same row from a specified column.

• The common identifier used in the Vlookup() function should be present in both the source and destination sheets.

• The Vlookup() function can be use...read more
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Q1. Past experience
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Q2. Current responsibilities
Ans. 
As a Senior Engineer, my current responsibilities include leading a team of engineers, overseeing project timelines, and ensuring technical excellence.
• Leading a team of engineers

• Overseeing project timelines

• Ensuring technical excellence
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Q1. Which mechanism you will you use for handling a live sale load for load balancing? What will be the proposed architecture?
Ans. 
For handling live sale load for load balancing, I would use a combination of horizontal and vertical scaling with a load balancer.
• Implement horizontal scaling by adding more instances of the application to distribute the load evenly.

• Utilize a load balancer to evenly distribute incoming traffic across multiple instances.

• Implement vertical scaling by increasing the resources (CPU, memory) of individual instances to handl...read more
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Easy questions very basic

How does an ev car works

Q1. Do you like petrol
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Q2. Do you like diesel
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1. SQL based questions
2. Python based questions

Q1. 1. About my last copany
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Q2. About me and the personality
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Q1. Fragment add vs replace lifecycle methods
Ans. 
Fragment add vs replace lifecycle methods
• When using add, the fragment's lifecycle methods are called but the view is not recreated

• When using replace, the fragment's view is recreated and its lifecycle methods are called

• Add is useful for retaining the fragment's state, while replace is useful for completely replacing the fragment
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Q2. Difference between light weight and heavy weight operations
Ans. 
Light weight operations are simple and quick, heavy weight operations are complex and time-consuming.
• Light weight operations are typically simple and quick to execute.

• Heavy weight operations are usually complex and time-consuming.

• Examples of light weight operations include basic arithmetic calculations.

• Examples of heavy weight operations include complex algorithms or database queries.
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