1. universe is the symantic layer that isolates the end use from the complex structure of database

2.There are two types of analysis .  i. slice and dice ii. drill

3.General Supervisor launches supervisor product

4.we can check unverse in 2 ways

a.  visual inspection of joins,cardenalities,detecting loops and traps and solving them by defining aliases and contexts

b. referential integrity check

5.Universe parameters are used to define universe.

  name of universe,description and rdbms connection

6. simple universe and complex universe

7. security domain is bomain.key that allocates each user with a name and password.

8. bomain.key

9. brodcasting agent are used to refresh or publish the document at a regular interval of time broadly speaking BCA is used to schedule the document.

14. alerters are used to draw attention to a block of data either by highlighting or displaying some message near to the cells

18. yes, we can take the report in exel sheet