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HP0-850 HP Integrating Oracle9i with hp Platforms
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HP0-850
QUESTION: 1 What measures performance of the disk subsystem in I/O-intensive environments?
A. MB/s B. transactions per second C. GB/hr D. random I/O requests per second
Answer: D
QUESTION: 2 The record identifier (RID) is the information stored at the beginning of each record. Which items are included in the RID?
A. Database identifier and offset from the beginning of the database B. Page number and offset from the end of the page C. Page number and offset from the beginning of the page D. Database identifier and offset from the end of the database
Answer: B
QUESTION: 3 What must be true for Oracle9i to collect wait event statistics? The _______.
A. timed_statistics option must be set to 1 B. OracleStatsPack must be installed C. BSTAT/ESTAT tools must be installed D. V$system_event table must be manually created
Answer: A
QUESTION: 4 If a database server running Oracle 9i suddenly lost power, what would happen to the committed transactions?
A. They would be lost. B. They would be preserved only if the redo log was mirrored.
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HP0-850
C. They would be recorded in the redo log and then recovered during the next Oracle 9i instance startup. D. They would be preserved only if the memory was protected by ECC.
Answer: C
QUESTION: 5 You determine that the library cache hit rate is too low, and you want to increase the memory available to the library cache. What should you do?
A. Increase the value of the SHARED_POOL_SIZE parameter and restart the instance. B. Recompile all frequently used stored procedures. C. Increase the value of the LIBRARY_CACHE_SIZE parameter and restart the instance. D. Decrease the value of the DB_BLOCK_BUFFERS parameter and restart the instance.
Answer: A
QUESTION: 6 For fastest server recovery, which operating system recovery setting should be used in conjunction with the Automatic Server Recovery (ASR-2) option?
A. kernel memory dump B. none C. small memory dump (64KB) D. complete memory dump
Answer: B
QUESTION: 7 Which feature will not be available in version 2.0 of the ProLiant Performance Analyzer?
A. integrated database for bothProLiant Performance Analyzer and Insight Manager 7 B. server configuration validation C. automatic alerting of performance bottlenecks through Insight Manager 7 alert services
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HP0-850
D. automatic upload of performance data toactiveAnswers and automatic generation of hardware upgrade proposal
Answer: D
QUESTION: 8 To avoid a livelock, you should design your transactions to: A. acquire an update lock and monitor its idle time. If the idle time is too long, release the update lock and try a shared lock first. B. obtain an exclusive lock and monitor its idle time. If the idle time is too long, release the exclusive lock and try a shared lock first. C. obtain an update lock before attempting to obtain an exclusive lock, which enables the RDBMS to block new shared locks until your transaction can obtain the exclusive lock it wants and completes execution. D. wait until all shared locks on the data set are released before attempting to obtain an exclusive lock.
Answer: C
QUESTION: 9 What is the recommended method for speeding up decision-support queries that are executed serially?
A. add more processors B. use concurrency-inducing technology, such as the Oracle Parallel Query C. configure more dispatchers D. increase the size of the System Global Area (SGA)
Answer: B
QUESTION: 10 When sizing the library cache, you query the V$LIBRARYCACHE view and analyze the results. To provide optimal performance, which counter should be zero?
A. pins B. misses C. pinhits D. reloads
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