Enterslice Interview Questions and Answers for Freshers

DS, Algo, DP, Greedy, Stack, Heap

Q1. System Design a DropBox
Ans. 
Design a scalable cloud storage system similar to DropBox.
• Use distributed file system for storing files across multiple servers.

• Implement data deduplication to save storage space.

• Use client-side encryption for security.

• Implement file synchronization across devices.

• Utilize load balancing to distribute user requests.

• Implement version control for files.

• Use metadata for efficient file organization.
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Q2. Design a Linked List
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A linked list is a linear data structure where each element is a separate object with a reference to the next element.
• Start with a Node class that has data and a reference to the next node

• Create a LinkedList class that manages the nodes and provides methods like insert, delete, and search

• Example: Node class - data, next; LinkedList class - head, insert(data), delete(data), search(data)
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Q1. About yourself. Projects worked upon
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Q2. Why want to join Ocrolus?
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Q1. Tell me something about your self
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Q2. Why should i hire u
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Q1. Minimum 30 word per min typing speed with 95+ accuracy
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Q2. How did i spent your yesterday
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Q1. Normal questions by operation manager
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There was an online aptitude test duration of 30 mins and topics covered (maths,stats,tech)

Hacathon test with java and python

Q1. Discussion about projects
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Q2. Discussion about code skills
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Q1. Oops concepts and projects
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Q2. Collections, multithreading
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How to increase personal insurance revenue to 5x?

Q1. How do you think Business analyst?
Ans. 
Business analysts think analytically and strategically to identify business needs and recommend solutions.
• Business analysts analyze data to identify trends and patterns.

• They work closely with stakeholders to gather requirements and understand business processes.

• They use tools such as SWOT analysis, process flow diagrams, and data modeling to recommend solutions.

• Business analysts communicate effectively to bridge the ga...read more
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Q2. Please tell me about your data analyst experience.
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Q3. Do you have any experience on SQL or Python
Ans. 
Yes, I have experience with both SQL and Python.
• I have used SQL to query databases and extract relevant information.

• I have written Python scripts to automate data analysis and reporting tasks.

• I am familiar with using SQLAlchemy in Python for database interactions.

• I have experience with data manipulation and visualization using Python libraries like Pandas and Matplotlib.
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Q1. Data Structure and algorithm
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Q2. System design question
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