The term 'Core Banking Solutions', often seen in banking related news, describes which one of the following?

1. The networking of a bank's branches so customers can operate their account from any branch, regardless of where it was opened

2. A mechanism through which the RBI directly controls how much a bank can lend

3. A process by which the RBI or government takes over a bank burdened with high non performing assets

Select the correct answer using the code given below.