TOOLS FOR DATA SCIENCE (COURSE 2) QUESTIONS WITH CORRECT ANSWERS

Which of the following statements is true? a. Keras, Scikit-learn, Matplotlib, Pandas, and TensorFlow are all built with Python. b. 80% of data scientists worldwide use Python. c. Python is the most popular language in data science. d. Python is useful for AI, machine learning, web development, and IoT. e. All of the above CORRECT ANSWER e. All of the above Which of the following are SQL databases? (Select all that apply.) a. MongoDB b. MariaDB c. MySQL d. PostgreSQL e. CouchDB f. Oracle CORRECT ANSWER MariaDB, MySQL, PostgreSQL, and Oracle Which statements are true about Open Source and Free Software? (Select all that apply.) a. Free Software and Open Source can be used interchangeably. b. Free Software can always be run, studied, modified and redistributed with or without changes. c. Most of Free Software licenses also qualify for Open Source. d. Open Source Software can be modified without sharing the modified source code depending on the Open Source license. CORRECT ANSWER IDK??? A, B, and D together are not correct! Is the following statement true or false: "R integrates well with other computer languages like C++, Java, C, .Net and Python." CORRECT ANSWER True Which of the following languages can be used for data science? a. Julia b. Java c. Javascript d. SQL e. R