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Oracle database 10g:new features for Oracle8i ocps Sample Questions:

1. What is the Character Set Scanner?

A) a separate program that searches for strings that require Unicode conversion if you want to support multiple languages
B) a separate program that identifies character data loss if you change the character sets of the database
C) a separate program that searches the database for invalid strings
D) a package (DBMS_CSS) that searches the database for invalid strings

2. What is the Character Set Scanner?

A) a separate program that searches for strings that require Unicode conversion if you want to support multiple languages
B) a separate program that identifies character data loss if you change the character sets of the database
C) a separate program that searches the database for invalid strings
D) a package (DBMS_CSS) that searches the database for invalid strings

3. At 6:00 p.m. you noticed that the database performance was slow between 2:00 p.m. and 6:00
p.m.
due to a series of interrelated problems. You plan to use the Automatic Database Diagnostic Monitor (ADDM) findings for the time period 2:00 p.m. to 6:00 p.m. to resolve the performance issue. The Automatic Workload Repository (AWR) snapshots are made every 30 minutes. What would you do?

A) Check the alert log to see if it contains ADDM advice
B) Modify the Automatic Workload Repository (AWR) snapshot retention period to four hours
C) Check for the ADDM advice trace file in the BACKGROUND_DUMP_DEST directory
D) Create a custom ADDM task over the period defined by the snapshots taken at 2:00 p.m. and
6:00 p.m.
E) Look at the latest ADDM report
F) Modify the time interval by using the DBMS_JOB.INTERVAL procedure

4. Consider an Oracle instance that is using Automatic Shared Memory Management. You set some of the System Global Area (SGA) parameters as shown below:
SGA_TARGET=200 MB SHARED_POOL_SIZE=20 MB DB_KEEP_CACHE_SIZE=30 MB
Which two statements are correct in this scenario? (Choose two.)

A) If SGA_TARGET is reduced to 150 MB, then it will not affect the value of the DB_KEEP_CACHE_SIZE parameter.
B) 250 MB will be allocated among the auto-tuned SGA components.
C) A maximum of 20 MB will be allocated to the shared pool.
D) 230 MB will be allocated among the auto-tuned SGA components.
E) Shared pool size will never shrink below 20 MB.

5. What must you do to enable Automated SQL Execution Memory Management?

A) Execute the DBMS_STATS.GATHER_SYSTEM_STATS procedure with appropriate values
B) Set the instance parameter PGA_AGGREGATE_TARGET and WORKAREA_SIZE_POLICY to appropriate values.
C) Set the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE all to AUTO.
D) Unset the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE.

Solutions: