A data movement mode helps in determining how power center server takes care of the character data. Data movement is selected in the Informatica server configuration settings. There are two different data movement modes available in Informatica. They are: -> ** Unicode Mode and ASCII Mode -> ** Explain OLAP. ->** OLAP stands for Online Analytical Processing. It processes as an app helps that gathers, manages, presents and processes multidimensional data for management and analysis purposes.