RMAN question 1Z0-025

[bang_dba]

What could be the answer of this question

Q. What are two purposes for using the Recovery
Manager command CATALOG? (Choose two.)

A. updating recovery catalog about rollback segment creation
B. updating recovery catalog about files created before RMAN
C. updating recovery catalog about operating system backups
D. updating recovery catalog about files created before Oracle8
E. updating recovery catalog about files that belong to a
clone database

one is C...but what is the second one

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Q.Which statement regarding Recovery Manager with a database
operating in NOARCHIVELOG mode is true?

A. Recovery Manager requires a recovery catalog.
B. Recovery Manager supports multi-level incremental backups.
C. Recovery Manager is compatible with Enterprise Backup utility.
D. Recovery Manager only works in conjunction with a tape subsystem.

i think B, but not sure.....

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Q. Which two records does the Recovery Manager RESYC CATALOG
command update? (Choose two)

A. alert log records
B. log switch records
C. rollback segment records
D. archived log copy records

[pmsuper]

for question no.1. below answer

D. updating recovery catalog about files created before Oracle8

Concentrate more on rman

[bang_dba]

hi,
i don't think so ...coz RMAN is not all compatilbe with any files belonging to vesion below oracle8...

after digging up, i realized

The correct answers are B and C for question 1

and B and D for question 3