1. briefly compare spark streaming vs. structured streaming.

2. how many ways can you create rdd in apache spark? briefly introduce them.

3. what is the purpose of graphx? how does graphx extend spark rdd?

4. what is the difference between these two types of apache spark rdd operations, transformations and actions?

Your company has 1,500 desktop computers running windows 7. you want to upgrade them to windows 10. which type of microsoft license would be best suited in this situation?

Create a class named majors that includes an enumeration for the six majors offered by a college as follows: acc, chem, cis, eng, his, phys. display the enumeration values for the user, then prompt the user to enter a major. display the college division in which the major falls. acc and cis are in the business division, chem and phys are in the science division, and eng and his are in the humanities division. save the file as majors.java.

What key should you press and hold to select and open multiple files at one time? enter alt control esc