Explanation:
A DBA needs to be sure that the archiving process is able to keep up with archiving the redo log files if he/she will spawn multiple archiver processes ARCHn to handle increased archiving activity.
Incorrect Answers:
1: To handle this situation a DBA don't need to increase the shared pool.
2: A DBA does not need to spawn multiple database writers DBWRn to fix this problem.
4: By spawning multiple archiver processes you can handle this situation.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 577-583
Chapter 12: Overview of Backup and Recovery

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