Task Performance Information Access and Delivery Task: Answer each of the given questions in at least five (5) sentences. (2 items x 15 points) 1. Look for a web article or web post about the OLAP (Online Analytical Processing) and its various operations. Briefly explain the article based on your own understanding and compare OLAP with Data Warehouse (DW). 2. Assume that your data warehouse project team has successfully identified all the pertinent source systems. You have extracted and transformed the source data. You have the best data design for the data warehouse repository. You have applied the most effective data cleansing methods and gotten rid of most of the pollution from the source data. Using the most optimal methods, you have loaded the transformed and cleansed data into your data warehouse database. What are the possible operations that you need to accomplish to deliver the strategic information to the DW users? Discuss your