482 interview questions for Blockchain Expert (2024)

32 votes2406 runs0 comment

16 votes1051 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

15 votes2372 runs0 comment

15 votes2316 runs1 comment

13 votes445 runs0 comment

virtual machine

Maximeat Nov 7, 2022

12 votes2384 runs0 comment

12 votes2361 runs0 comment

12 votes687 runs0 comment

machine learning

deep learning

Martinat Sep 19, 2022

10 votes2322 runs4 comments

10 votes2260 runs0 comment

9 votes1055 runs1 comment

9 votes812 runs0 comment

scikit-learn

logistic regression

9 votes708 runs0 comment

Martinat Mar 14, 2022

8 votes949 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

8 votes508 runs0 comment

NLP (Natural language processing)

named entity recognition

7 votes2344 runs0 comment

7 votes1021 runs0 comment

hyperparameters

Martinat Mar 15, 2022

7 votes769 runs0 comment

neural network

back propagation

6 votes2322 runs

6 votes2245 runs0 comment

482 interview questionsfor Blockchain Expert (2024)

Test your technical skills before an interview of Blockchain Expert with 482 corrected questions. Beginner, Intermediate or Expert level.

482 interview questionsfor Blockchain Expert (2024)

Test your technical skills before an interview of Blockchain Expert with 482 corrected questions. Beginner, Intermediate or Expert level.

Write a SQL query to retrieve the list of employees with a salary greater than 5100.

How to handle missing data in a given training data set ?

Select only distinct values in a column using SQL

Update a column in an SQL table

What does EVM stand for?

Write a SQL query to insert data into a table

Which SQL keyword is used to sort the result of a SELECT statement?

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

Write the SQL query to delete a column from a table

Write a SQL query to retrieve the products with a price less than 1000 and sort the results in descending order of price.

Write a SQL query to retrieve the titles of books written by 'John Smith'.

What is the value of the decision threshold used with logistic regression in Scikit-learn?

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.

How to handle missing data in a given training data set ?

What does NER mean?

How to delete an SQL table?

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.

How is the error calculated during back propagation in a neural network?

Write a SQL query to retrieve the names of students enrolled in the course with ID 1.

Write a SQL query to calculate the total quantities sold for each product_id.