Printable PDFOracle 1Z0-497 Exam Questions & Answers
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Vendor: Oracle
Exam Code: 1Z0-497
Exam Name: Oracle Database 12c Essentials
Certification Provider: Oracle
Total Questions: 150 Q&A
Updated on: Mar 28, 2025
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1Z0-497 Online Practice Questions and Answers
Examine the command below:
LSNRCTL> SERVICES LISTENER2
Connecting to (DESCRIPTION=(ADDRESS= (PROTOCOL=TCP) (HOST=estb. us. abc.com)
(PORT=1525)))
Services Summary. . .
Service "orcl.oracle.com" has 1 instance(s).
Instance "oracle", status UNKNOWN, has 1 handler(s) for this service... Handler(s):
"DEDICATED" established:2 refused:0 LOCAL SERVER The command completed successfully
Which two statements are true about LISTENER2?
A. The ORCL instance is registered dynamically with the listener.
B. The ORCL instance is registered statically in the listener.ora file.
C. The number of current client connections handled by the service handler is two.
D. The total number of client connections handled so far by the service handler is two.
Which type of information is included in dynamic performance views?
1 - System and session parameters 2 - Memory usage and allocation 3 - File states (including RMAN backup files) 4 - Progress of jobs and tasks 5 - SQL execution 6 - Statistics and metrics
A. 3, 4, and 5
B. 1, 2, 5, and 6
C. 1, 2, 3, and 4
D. 2, 3, 5, and 6
E. 2, 3, 4, 5, and 6
F. 1, 2, 3, 4, 5, and 6
Which two statements are true about a buffer cache?
A. When a buffer is read from a buffer cache, it may be inconsistent and require undo data to make it consistent.
B. A buffer cache stores copies of data blocks from all files of the database.
C. Buffer access is kept efficient by maintaining a least recently used (LRU) list for dirty and clean buffers.
D. A buffer cache always resides completely in System Global Area (SGA).
E. A buffer cache contains exactly three pools: default, keep, and recycle pool.
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