abCoffee Interview Questions and Answers

Hackerrank - SQL and Statistics

How to make a regression model

Q1. What was the definition of false positive and false negative
Ans. 
False positive and false negative are terms used in data analysis to describe errors in classification models.
• False positive refers to a situation where a test result incorrectly indicates the presence of a condition or attribute.

• False negative refers to a situation where a test result incorrectly indicates the absence of a condition or attribute.

• In medical field, false positive can occur when a healthy person is wrong...read more
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Q1. Tell me about your self
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Q1. What is your family background?
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Q2. Share details of your previous job.
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Q3. Why are you looking for a change?
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Q4. Where do you see yourself in 5 years?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q7. What are your salary expectations?
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Q1. Telll me about yourself
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Q2. Exaplain react native
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Q1. Tell me about urself
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Q1. What's is ddos attack
Ans. 
A DDoS attack is a malicious attempt to disrupt normal traffic of a targeted server, service, or network by overwhelming it with a flood of internet traffic.
• DDoS stands for Distributed Denial of Service

• Attackers use multiple compromised systems to flood the target with traffic

• This can lead to service disruption or downtime for legitimate users

• Common types include UDP flood, ICMP flood, and SYN flood attacks
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Presentation on market penetration and expansion plans.

Q1. Understanding of the business Forecasting of new stores Strategic expansion
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Q1. C++ basics and Java oops
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