b) Describe four important ways in which an experienced analyst gathers software requirements. A software has to be developed for automating the manual railway reservation system. The system should have distributed functionalities as given below: A passenger should be able to reserve a seat in the train specified by him if available. For this, he has to fill a reservation form with the details about his journey. The clerk checks for the availability of the seat in the train and if the seat is available then he makes entries regarding train name, train number, date of journey, boarding station and destination. The passenger is then asked to pay the fare. After making payment the passenger can collect the ticket from the clerk. There may arise a case when the passenger wants to cancel his reservation. For this, he has to fill a cancellation form providing all the details about the ticket reserved by him. The clerk then checks for the entries from the database and cancels the reservation finally returning the ticket amount with some deduction. Only the administrator has the right to make changes in train details (train name, train no, etc). The system should also be able to generate report when needed in the form of reservation charts, train schedule charts, etc. Only the user with specified login id & password can get access to the system. This provides security from unauthorized access. The users should be able to see the information about the reservation status and train schedule, train name, train number, etc. Give 3 requirements for the railway reservation system