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Fractal Analytics Data Engineer 1 Interview Questions and Answers
Fractal Analytics Data Engineer 1 Interview Experiences
1 interview found
It was a easy leetcode question to reverse list
(2 Questions)
- Q1. Are you willing to move bangalore
- Q2. Are you okay with working from office
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Interview questions from similar companies
Selected
(3 Questions)
- Q1. What is Overfitting in decision tree
- Ans.
Overfitting in decision trees occurs when the model learns noise in the training data rather than the underlying pattern.
Overfitting happens when the decision tree is too complex and captures noise in the training data.
It leads to poor generalization on unseen data, as the model is too specific to the training set.
To prevent overfitting, techniques like pruning, setting a minimum number of samples per leaf, or using en
- Q2. What is bagging
- Ans.
Bagging is a machine learning ensemble technique where multiple models are trained on different subsets of the training data and their predictions are combined.
Bagging stands for Bootstrap Aggregating.
It helps reduce overfitting by combining the predictions of multiple models.
Random Forest is a popular algorithm that uses bagging by training multiple decision trees on random subsets of the data.
- Q3. What is neuron How its used in DL
- Ans.
A neuron is a basic unit of a neural network that receives input, processes it, and produces an output.
Neurons are inspired by biological neurons in the human brain.
They receive input signals, apply weights to them, sum them up, and pass the result through an activation function.
Neurons are organized in layers in a neural network, with each layer performing specific tasks.
In deep learning, multiple layers of neurons ar...
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.
First round was aptitude, communication test and a pseudo code question and all are elimination rounds if you passes all the rounds you will get an interview date....
(2 Questions)
- Q1. Good Knowledge on dbms, sql
- Q2. Python basic questions
(1 Question)
- Q1. Very liberal questions about yourself, relocation, etc..
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Narendra Pendurthi
(3 Questions)
- Q1. Questions about SQL
- Q2. Questions about python dataframes
- Q3. Difference between random forest and decision tree
- Ans.
Random forest is an ensemble learning method using multiple decision trees to improve accuracy and reduce overfitting.
Random forest uses multiple decision trees to make predictions.
Decision tree is a single tree structure used for classification and regression.
Random forest reduces overfitting by averaging the predictions of multiple trees.
Decision tree can be prone to overfitting if not pruned properly.
Random forest i...
Skills evaluated in this interview
(1 Question)
- Q1. SQL, excel, python and power Bi
Selected
Learn and study about Aptitude like Quantitative aptitude, verbal and reasoning. Practice more and attend more mock test
(1 Question)
- Q1. What is SQL ? What are the market trend
- Ans.
SQL is a programming language used for managing and manipulating relational databases.
SQL stands for Structured Query Language.
It is used to communicate with and manipulate databases.
SQL can be used to create, modify, and retrieve data from databases.
It is widely used in data analysis and data management roles.
Some popular relational database management systems that use SQL include MySQL, Oracle, and SQL Server.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Oct 2022. There were 4 interview rounds.
SQL and quant, logical questions were asked.
(1 Question)
- Q1. 1. Tell me about your self 2. Resume based questions 3. Need to write basic SQL queries and also print same output using pandas
(1 Question)
- Q1. 1. Tell me about your self 2. Statistics questions 3. Guestimates 4. Why do you want to join company
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Senior Data Engineer Interview Questions & Answers
Deutsche Telekom Digital Labs
Anonymous
posted on 8 Sep 2022
I applied via Recruitment Consulltant and was interviewed in Mar 2022. There were 3 interview rounds.
(1 Question)
- Q1. SQL, spark, hadoop, Linux,python
(1 Question)
- Q1. System design, real time data ingestion architecture and processing
(1 Question)
- Q1. Strength and weakness
Interview Preparation Tips
Gandhi Naik
I applied via AngelList and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Behaviour round questions were asked
Interview Preparation Tips
Aptitude test was very easy
(2 Questions)
- Q1. Based on resume
- Q2. Some simple hr questions
(2 Questions)
- Q1. About family and their occupations
- Q2. General questions
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