Which important factor is taken into account when determining an estimate for the maximum network bandwidth to be used by a customer？（）

• A、the size of the hard drives for each PC connected to the client’s network
• B、the average size of the wallet based on the number of profiles and accounts
• C、if any users will use IBM Tivoli Access Manager for Enterprise Single Sign-On during non-work hours
• D、the number of users that will be connected using the wireless network， as opposed to a wired connection