63、Your database is open in ARCHIVELOG mode.
LOG_ARCHIVE_DEST is set to Fast Recovery Area (FRA) and it is 100% full when a log switch takes place.
No alternative or optional archive destinations are defined.
What is the outcome?
A. Obsolete backups are automatically deleted and now archivelogs are generated.
B. The archivelog entries are made in the diagnostic destination and when space is available, now archivelogs are generated.
C. No archivelogs are generated.
D. All active sessions are disconnected and their transactions rolled back.
E. All active sessions hang until the database administrator (DBA) makes space available in the FRA.
Correct Answer: E
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原文：https://www.cnblogs.com/alice9313/p/9668361.html