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how many layers of data can exist on a single side of a Blu-ray disc?

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Bunny Greenfelder
Bunny GreenfelderLv2
25 Feb 2020
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28. The internet protocol (IPv4) address uniquely identifies each client on a network using 4 bytes (each representing a value in the range 0-255). How many distinct addresses can this accommodate? a) 24 b) 84 c) 32" d) 232 x e) None of the above

Using Hadoop for historical sales data analysis 

Use this dataset to analyze various aspects of transaction 

1) Average unit_price by country for a given item type in a certain year

2) Total units_sold by year for a given country and a given item type

3) Find the max and min units_sold in any order for each year by country for a given item type. Use a custom partitioner class instead of default hash based.

4) What are the top 10 order id for a given year by the total_profit 

Please help in doing  above analysis working on a Hadoop system using map reduce code, written either in Java or Python.  Data preparation steps can be done as required before running a MapReduce job to answer  questions above. 

Dataset:

2. In this section you will be shown several classes. Inside the code for each class will be a question. You should provide your answer to the question inside the chart. Many of the questions will ask you whether a variable has changed or not. In cases that the variable being asked about is a primitive type, you should provide your answer based on the data stored in the primitive type. In cases that the variable being asked about is a reference type, you should provide your answer based on the data stored at the Object linked to by the reference type. For example, in the first snippet, the question asks about the variable x defined in the main method. Since x is a primitive type, you should answer YES if you think the variable x has had its value changed after the method methodOne() returns. All your answers should go in the chart below: (9 points) Part Answer to question x changed (circle one)? YES NO y changed (circle one)? a changed (circle one)? b changed (circle one)? d1 a changed (circle one)? b changed (circle one)? YES e words changed (circle one)? YES NO Values in array of array referred to by y: What is printed to the screen? (a) public class ReferenceTesti public static void methodOne (int x){ x++; public static void main(String[args) { int x = 0; methodOne (x); //IS THE DATA STORED OR REFERRED TO BY X THE SAME? (ANSWER IN CHART)

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