Explanation:
There are 5 channels allocated to SBT, as indicated by the last parallelism command. Incorrect Answer:
1: Channels can be allocated without explicit definition.
2: There are 5, not 3, channels allocated to SBT, as indicated by the last parallelism command.
3: There are 5, not 1, channels allocated to SBT, as indicated by the last parallelism command.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 224-225
Chapter 9: Oracle Recovery Manager Overview and Configuration

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