What is the transaction limit for the number of DML statements allowed?

A developer wants to create a Visualforce page that allows a user to search for a given account by Name. If the account is found, the account details should be populated on screen. If no account is found, an error message should be displayed to the user.
How can this be accomplished? (Choose two.)

What is a consideration when testing batch Apex? Choose 2 answers

Universal Containers develops a Visualforce page that requires the inclusion of external JavaScript and C55 files. They want to ensure efficient loading and caching of the page.
Which feature should be utilized to achieve this goal?

What is a limitation of a "getxxx" method (for example, getName) in a custom Visualforce controller?