Oracle: Database Server Architecture MCQs

58 MCQs  (Page 2 of 6)

Attempt Oracle: Database Server Architecture Quiz
Which background process writes modified (dirty) buffers to the datafiles?
LGWR
SMON
CKPT
DBWn
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Which background process writes redo entries from the redo log buffer to the online redo logs?
DBWn
ARCn
PMON
LGWR
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Which process signals a checkpoint and updates control file and datafile headers?
CKPT
SMON
LGWR
PMON
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Which process cleans up after failed user processes and releases their resources?
PMON
ARCn
DBWn
LGWR
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Which process copies filled online redo logs to the archive destination?
CKPT
ARCn
SMON
RECO
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When does LGWR write the redo log buffer to disk?
Only at shutdown
When a transaction commits, among other triggers
Only when a table is dropped
Never, DBWn does it
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What does a server process do?
Writes redo logs
Archives logs
Listens on port 1521
Handles requests of a connected user process
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What is the role of the Oracle listener?
Writes data to datafiles
Accepts client connection requests and hands them to the database
Backs up the database
Manages user passwords
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In which startup stage does Oracle read the control file but keep datafiles closed?
MOUNT
NOMOUNT
OPEN
SHUTDOWN
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Which background process resolves failures of distributed transactions automatically?
RECO
SMON
PMON
DBWn
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Word of the Day
02 Nov
Obligation
an act or course of action to which a person is morally or legally bound; a duty or commitment.
احسان، فرض، ذمہ داری

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