42 interview questions for developers (2024)

Easy

9 votes507 runs0 comment

What is the relation between Artificial intelligence (AI), machine learning and deep learning?

Data Scientist

machine learning

deep learning

Martinat Sep 19, 2022

Easy

5 votes531 runs0 comment

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

Data Scientist

overfitting

Martinat Mar 14, 2022

Easy

5 votes515 runs0 comment

Given a neural network with 4 inputs, how many connections could exist between the input layer and the first hidden layer?

Data Scientist

neural network

connections

Martinat Apr 4, 2022

Easy

1 vote497 runs0 comment

Which neural network type is the best for image processing?

Data Scientist

neural networks

image processing

Martinat Sep 19, 2022

Medium

1 vote459 runs1 comment

In order to get good results when implementing deep learning, one needs to prepare his data before using it. What action CAN be done during this preparation?

Data Scientist

data

preprocessing

Martinat Apr 4, 2022

Easy

1 vote455 runs0 comment

Cross validation is a technique used for evaluating DL (deep learning) models (an ML models in general). The method consists in training several models on subsets of the input data and evaluating them on the complementary subset of this same data. It aims at avoiding overfitting.

Data Scientist

overfitting

validation

Martinat Apr 4, 2022

Medium

1 vote77 runs0 comment

The learning rate is the variable which determines the gradient descent algorithm steps’ size. It is used when studying the cost function. How is this value chosen? What are the risks?

Data Scientist

gradient descent

cost function

Martinat Apr 4, 2022

Medium

1 vote37 runs0 comment

Calculate the output of a neuron with 3 inputs and 3 weights.

Data Scientist

activation function

linear function

Martinat Mar 14, 2022

Medium

1 vote33 runs0 comment

How could we shortly define deep learning ?

Data Scientist

machine learning

neural networks

Martinat Mar 14, 2022

Easy

0 vote486 runs0 comment

How to define unsupervised learning? In unsupervised learning ...

Data Scientist

machine learning

unsupervised learning

Martinat Mar 14, 2022

Easy

0 vote477 runs1 comment

In deep learning, the validation set is used to provide frequent and unbiased evaluations of the model’s fit on the training set while tuning its hyperparameters/parameters: in other words,the model is found and then tested on the validation set before to be improved once again.

Data Scientist

hyperparameters

validation

Martinat Mar 14, 2022

Easy

0 vote473 runs1 comment

What type of learning are the following task included?

Data Scientist

supervised learning

classification

Martinat Mar 14, 2022

Hard

0 vote470 runs0 comment

What is a weight in a neuron? What is its aim?

Data Scientist

neural network

weights

Martinat Mar 14, 2022

Easy

0 vote466 runs0 comment

What is the aim of data normalization? Its aim is to transform data sets so that all of its values are in a given range (ex: 0 to 1) while keeping the model's statistical properties.

Data Scientist

data

normalization

Martinat Mar 14, 2022

Easy

0 vote466 runs0 comment

Which of the following processes are machine learning ones but not particularly related to deep learning?

Data Scientist

machine learning

random forest

Martinat Mar 14, 2022

Hard

0 vote464 runs1 comment

What are the differences/similarities between a loss function, an error function, and a cost function?

Data Scientist

loss function

error function

cost function

Martinat Mar 14, 2022

Medium

0 vote461 runs0 comment

What is the difference between shallow NN (neural networks) and deep NN (neural network)?

Data Scientist

neural networks

deep learning

Martinat Mar 14, 2022

Easy

0 vote457 runs0 comment

What are the parameters that are set before the learning process begins in deep learning?

Data Scientist

parameters

neural network

Martinat Mar 14, 2022

Easy

0 vote452 runs0 comment

What is ensemble learning? It consists in …

Data Scientist

models

ensemble

Martinat Apr 4, 2022

Medium

0 vote452 runs0 comment

What is/are the purpose(s) of a neuron’s activation function?

Data Scientist

activation function

non-linearity

Martinat Apr 4, 2022

42 interview questionsfor developers (2024)

Test your developer skills before an interview with 42 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

What is the relation between Artificial intelligence (AI), machine learning and deep learning?

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

Given a neural network with 4 inputs, how many connections could exist between the input layer and the first hidden layer?

Which neural network type is the best for image processing?

In order to get good results when implementing deep learning, one needs to prepare his data before using it. What action CAN be done during this preparation?

Cross validation is a technique used for evaluating DL (deep learning) models (an ML models in general). The method consists in training several models on subsets of the input data and evaluating them on the complementary subset of this same data. It aims at avoiding overfitting.

The learning rate is the variable which determines the gradient descent algorithm steps’ size. It is used when studying the cost function. How is this value chosen? What are the risks?

Calculate the output of a neuron with 3 inputs and 3 weights.

How could we shortly define deep learning ?

How to define unsupervised learning? In unsupervised learning ...

In deep learning, the validation set is used to provide frequent and unbiased evaluations of the model’s fit on the training set while tuning its hyperparameters/parameters: in other words,the model is found and then tested on the validation set before to be improved once again.

What type of learning are the following task included?

What is a weight in a neuron? What is its aim?

What is the aim of data normalization? Its aim is to transform data sets so that all of its values are in a given range (ex: 0 to 1) while keeping the model's statistical properties.

Which of the following processes are machine learning ones but not particularly related to deep learning?

What are the differences/similarities between a loss function, an error function, and a cost function?

What is the difference between shallow NN (neural networks) and deep NN (neural network)?

What are the parameters that are set before the learning process begins in deep learning?

What is ensemble learning? It consists in …

What is/are the purpose(s) of a neuron’s activation function?

42 interview questionsfor developers (2024)

Test your developer skills before an interview with 42 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

What is the relation between Artificial intelligence (AI), machine learning and deep learning?

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

Given a neural network with 4 inputs, how many connections could exist between the input layer and the first hidden layer?

Which neural network type is the best for image processing?

In order to get good results when implementing deep learning, one needs to prepare his data before using it. What action **CAN** be done during this preparation?

Cross validation is a technique used for evaluating DL (deep learning) models (an ML models in general). The method consists in training several models on subsets of the input data and evaluating them on the complementary subset of this same data. It aims at avoiding overfitting.

The learning rate is the variable which determines the gradient descent algorithm steps’ size. It is used when studying the cost function. How is this value chosen? What are the risks?

Calculate the output of a neuron with 3 inputs and 3 weights.

How could we shortly define deep learning ?

How to define unsupervised learning? In unsupervised learning ...

In deep learning, the validation set is used to provide frequent and unbiased evaluations of the model’s fit on the training set while tuning its hyperparameters/parameters: in other words,the model is found and then tested on the validation set before to be improved once again.

What type of learning are the following task included?

What is a weight in a neuron? What is its aim?

What is the aim of data normalization? Its aim is to transform data sets so that all of its values are in a given range (ex: 0 to 1) while keeping the model's statistical properties.

Which of the following processes are machine learning ones but not particularly related to deep learning?

What are the differences/similarities between a loss function, an error function, and a cost function?

What is the difference between **shallow** NN (neural networks) and **deep** NN (neural network)?

What are the parameters that are set before the learning process begins in deep learning?

What is ensemble learning? It consists in …

What is/are the purpose(s) of a neuron’s activation function?

In order to get good results when implementing deep learning, one needs to prepare his data before using it. What action CAN be done during this preparation?

What is the difference between shallow NN (neural networks) and deep NN (neural network)?