Oracle
1Z0-054 · Question #75
1Z0-054 Question #75: Real Exam Question with Answer & Explanation
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Question
Examine the following information from the AWR report: Top 5 Timed Events ~~~~~~~~~~~~~~~~~~ % Total Event Waits Time (s) Call Time -------------------------------------- ------------ ----------- ------- -- CPU time 559 88.80 log file parallel write 2,181 28 4.42 SQL*Net more data from client 516,611 27 4.24 db file parallel write 13,383 13 2.04 db file sequential read 563 2 .27 Which could cause waits on the db file sequential read event?
Options
- Atoo many full table scans
- Btoo large a database buffer cache
- Ctoo many waits occurring while reading multiple blocks synchronously
- Dtoo many index range scans occurring which refers to blocks not in the database buffer cache
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