Isafety Systems Intern Interview Questions and Answers

Os, cloud computing, DBMS, networks, ai and ml mcq questions were asked

Q1. They need skills of googler at 4 lakhs
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Q2. 2 leetcode hard and 2 project Euler problems,did all still got rejected
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2hours, Data Structures and Algorithms, Graphs and Machine LEarning Questions

Q1. Implement MinStack?
Ans. 
MinStack is a data structure that supports push, pop, top, and retrieving the minimum element in constant time.
• Create a stack to store the elements and another stack to store the minimum values encountered so far.

• When pushing an element, check if it is smaller than the current minimum. If so, push it onto the minimum stack.

• When popping an element, check if it is the current minimum. If so, pop from the minimum stack as...read more
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Q2. Puzzles and SQL Query
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Question was based on string . Reverse the string and count numbers and special characters

Q1. Salary expectations
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Q2. General relocation
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Os, cloud computing, DBMS, networks, ai and ml mcq questions were asked

Q1. CLOSURE IN Javascript ?
Ans. 
Closure in JavaScript is a function that has access to its own scope, as well as the outer scope in which it was defined.
• A closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFun
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Q2. Class and ID difference
Ans. 
Class is used to style multiple elements, while ID is used to style a single element.
• Class can be used multiple times in a document, while ID should be unique

• Class is denoted by a period (.), ID is denoted by a hash (#)

• Class can be applied to multiple elements, ID can only be applied to one element
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Q1. System Design question
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Q2. Leetcode medium question on backtracking
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There were 2 questions asking about ideas to reach out to TG and a case study on Google Analytics.

Q1. They will discuss your past experience and the assignment.
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Q2. Most of our website traffic comes from India while our target geography is the USA. How will you bring US traffic?
Ans. 
I will use targeted advertising, SEO optimization, and social media marketing to attract US traffic.
• Conduct keyword research and optimize website content for US audience

• Create targeted ads on social media platforms like Facebook and Instagram

• Collaborate with US-based influencers to promote the brand

• Utilize Google AdWords to target US-based search queries

• Participate in relevant online communities and forums to increase ...read more
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Q1. You have two containers of 5 litres and 3 litres, you need 4 litres of water.
Ans. 
Fill 3L container, pour into 5L container, fill 3L again, pour into 5L until full. 1L will remain in 3L container.
• Fill 3L container

• Pour into 5L container

• Fill 3L again

• Pour into 5L until full

• 1L will remain in 3L container
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