11. READ COMMITTED is the default isolation level.
A. True
B. False
12. A differential backup makes a copy of the entire database.
A. True
B. False
13. SQL Server supports three recovery modes: simple, full and Bulk.
A. True
B. False
14. SERIALIZABLE is the strictest isolation level.
A. True
B. False
15. With SQL Server pessimistic locking, no lock is obtained until the user updates the data.
A. True
B. False