Question 18 (4 points) The most likely culprit for most performance problems is inefficient SQL and application code. True False Question 19 (4 points) Unfortunately, the DBA usually attacks performance in a Reactive manner Attack manner Proactive manner - 9 > DOLL performance management can reduce the cost of application development because it occurs before the application becomes operational in a production environment. Reactive System Proactive Stabilization Question 21 (4 points) One of the biggest bottlenecks for database performance is the physical cost of performing D DOLL MULUI MICI An area of memory set aside and used to avoid I/O operations when actual data is being read from the database. Storage Area Network Random Access Memory Data Cache Read Only Memory Question 23 (4 points) The database log, sometimes referred to as the transaction log is a fundamental component of a database management system. Tue AS