Brillo Technologies Salesforce Developer Interview Questions and Answers

Data structures and algorithms

Python etl,pandas, pyspark questions

Q1. Salary negotiation , work culture
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Q1. What is Nested List with example
Ans. 
A nested list is a list that contains other lists as its elements.
• Nested lists can be created using square brackets and separating the elements with commas.

• Elements of a nested list can be accessed using indexing and slicing.

• Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

• Accessing element 5: my_list[1][1]
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Q2. What is queue , explain with example
Ans. 
A queue is a data structure that follows the First In First Out (FIFO) principle.
• Elements are added to the back of the queue and removed from the front.

• Example: A line of people waiting for a movie ticket.

• Operations: Enqueue (add element to back), Dequeue (remove element from front), Peek (view front element)
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My group discussion topic was, "Is obtaining a degree more important in IT?"

Arrange marriage versus love marriage.

Q1. String reverse program using any programming language in your resume
Ans. 
A string reverse program takes an input string and returns it in reverse order, demonstrating basic string manipulation.
• Use built-in functions: Many languages have built-in functions to reverse strings. Example in Python: `reversed_string = input_string[::-1]`.

• Iterative approach: Loop through the string from the end to the beginning. Example in Java: `for (int i = str.length() - 1; i >= 0; i--) { ... }`.

• Recursive ap...read more
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Q2. How does YouTube generate revenue?
Ans. 
YouTube generates revenue primarily through advertising, subscriptions, and partnerships.
• Advertising: YouTube displays ads before, during, or after videos. For example, TrueView ads allow users to skip after 5 seconds.

• YouTube Premium: Subscribers pay a monthly fee for ad-free viewing, access to exclusive content, and offline downloads.

• Channel Memberships: Creators can offer memberships for a monthly fee, providing perk...read more
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Q1. They'll ask about family and stuffs
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Q2. They'll ask some business related questions
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Is the topic of AI beneficial for the future or not?