Episource Analyst Interview Questions and Answers

1st Round consisted of Technical Discussion and Coding Round. I was asked to write down the logic for Prime no., Fibonacci Series, Matrix related question, etc.

I was asked to share my screen and write down logic for questions related to Strings, Arrays and 2-D matrix's.

Q1. Discussion About the previous projects done. Detailed questions about the technique used and algorithm related questions.
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Q2. Few basic questions about ML. eg: Linear Regression, Logistic Regression, etc.
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Aptitude ques based on straight line, circle,pnc, probability

Coding ques level was medium to tough. Had to solve 3 ques out of 5

Q1. Buy and sell stocks to earn maximum profit. It is available on leetcode
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Q2. Rotate two dimensional array
Ans. 
Rotate a 2D array by 90 degrees clockwise or counterclockwise.
• Transpose the matrix by swapping elements across the diagonal

• Reverse each row or column depending on clockwise or counterclockwise rotation

• Example: [[1,2],[3,4]] rotated clockwise becomes [[3,1],[4,2]]
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Python programming 2 questions, 7 MCQs on data science, ml, statistics

Q1. Project related questions, basic data science conceptual questions, scenario based questions
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One simple coding test and general aptitute

Q1. Matrix multiplication, reverse a array. Puzzels.
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Q2. Reverse array elements
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Q3. Puzzle available on google
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Q1. What is siem tool explain briefly
Ans. 
SIEM (Security Information and Event Management) tool is a software solution that aggregates and analyzes security data from various sources.
• SIEM tools collect logs and data from network devices, servers, applications, and more.

• They correlate and analyze this data to detect security incidents and threats.

• SIEM tools provide real-time monitoring, alerting, and reporting capabilities.

• Examples of SIEM tools include Splunk,
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Q2. Explain incident reports and alerts
Ans. 
Incident reports and alerts are tools used to document and communicate incidents or potential issues within an organization.
• Incident reports are detailed accounts of incidents that have occurred, including what happened, when it happened, who was involved, and any relevant details.

• Alerts are notifications that are sent out to relevant parties to inform them of a potential issue or incident that requires attention.

• Both ...read more
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Simple dsa and aptitude question

Q1. Easy Dsa question
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Q2. Simple 2 sql quesries based on limit
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120 minutes,aptitude,basic programming questions,three c problems from easy medium to hard

General Aptitude( Probability dominats) and objective coding

Moderate levels coding questions Refer hacker rank

Q1. Coding, guesstimate, probability,
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Q1. Generation HR questions refer youtube
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