Oracle인증 1Z0-024시험을 등록하였는데 시험준비를 어떻게 해애 될지 몰라 고민중이시라면 이 글을 보고ITExamDump를 찾아주세요. ITExamDump의Oracle인증 1Z0-024덤프샘플을 체험해보시면 시험에 대한 두려움이 사라질것입니다. ITExamDump의Oracle인증 1Z0-024덤프는Oracle인증 1Z0-024실제시험문제를 마스터한 기초에서 제작한 최신시험에 대비한 공부자료로서 시험패스율이 100%입니다. 하루 빨리 덤프를 마련하여 시험을 준비하시면 자격증 취득이 빨라집니다.
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시험 번호/코드: 1Z0-024
시험 이름: Oracle (Performance Tuning)
Oracle인증사에서 주췌하는 1Z0-024시험은 IT업계에 종사하는 분이시라면 모두 패스하여 자격증을 취득하고 싶으리라 믿습니다. ITExamDump에서는 여러분이 IT인증자격증을 편하게 취득할수 있게 도와드리는 IT자격증시험대비시험자료를 제공해드리는 전문 사이트입니다. ITExamDump덤프로 자격증취득의 꿈을 이루세요.
1Z0-024 덤프무료샘플다운로드하기: http://www.itexamdump.com/1Z0-024.html
NO.1 Which three types of statistics are reported in report.txt after running UTLESTAT SQL?
(Choose three)
A. Locking statistics.
B. Memory usage statistics.
C. Explain plan statistics.
D. Library cache statistics.
E. Buffer busy wait statistics.
F. Rollback contention statistics.
Answer: D, E, F
Oracle기출문제 1Z0-024 dumps 1Z0-024자격증 1Z0-024 1Z0-024 1Z0-024
NO.2 What is the least number of buffers an LRU latch must cover in the database buffer cache?
A. 5
B. 10
C. 30
D. 50
E. 100
Answer: D
Oracle dumps 1Z0-024덤프 1Z0-024덤프
NO.3 Which statement could require a sort?
A. SELECT DISTINCT dept_ID FROM emp;
B. UPDATE emp SET salary=salary*1.1 WHERE id 7722;
C. SELECT emp_id, nameFROM emp WHERE emp-id = 7722;
D. SELECT emp_id, nameFROM emp WHERE emp-id = BETWEEN 7722 and 7100 ;
Answer: A
Oracle 1Z0-024덤프 1Z0-024인증
NO.4 What are two main OLTP requirements? (Choose two)
A. Use bind variables rather than literals in your SQL code.
B. Analyze your tables regularly to refresh optimizer statistics.
C. Create multiple small rollback segments as opposed to a few big ones.
D. Create indexes on all columns that are regularly used in query predicates.
E. Set up appropriate default storage parameter values for dynamic (implicit) space allocation.
Answer: B, C,
Oracle자격증 1Z0-024 1Z0-024자격증 1Z0-024최신덤프
NO.5 Which two statements about plan stability and stored outlines are true? (Choose two)
A. You can group outlines in categories.
B. You can only have one stored outline per SQL statement.
C. Plan stability works only when SQL statements match.
D. Stored outlines are saved in the data dictionary (SYS schema)
E. Stored outlines become invalid when you analyze the associated objects.
Answer: A, C
Oracle자격증 1Z0-024 1Z0-024 1Z0-024 dumps
NO.6 For which reason would you query V$SYSSTAT?
A. Name of the sort segment.
B. Free space available for a sort segment.
C. Number of disk sorts performed since startup.
D. Number of users active on individual sort segments.
Answer: C
Oracle 1Z0-024 1Z0-024 1Z0-024 1Z0-024 1Z0-024
NO.7 Which two views can be sued to detect lock contention? (Choose two)
A. V$LOCK
B. V$LOCKED_OBJECT
C. V$LOCK_CONTENTION
Answer: A, B
Oracle 1Z0-024자격증 1Z0-024최신덤프 1Z0-024기출문제 1Z0-024
NO.8 If a willing-to-wait latch request is satisfied on the first attempt, which statistic gets
incremented?
A. GETS
B. SLEEPS
C. MISSES
D. IMMEDIATE_GETS
E. IMMEDIATE_ MISSES
F. IMMEDIATE_GETS
Answer: A
Oracle인증 1Z0-024인증 1Z0-024 dumps 1Z0-024 1Z0-024 dumps
NO.9 The database includes tables with static data, which are used for queries only. To which
size should you set PCTFREE for this type of table?
A. 0
B. 50
C. 20
D. 10
Answer: A
Oracle 1Z0-024 1Z0-024 pdf 1Z0-024시험문제
NO.10 What will this statement do?
CREATE TABLESPACE temp
DATAFILE 'C:\database\temp.dbf' SIZE 10n
Temporary;
A. Create a tablespace that will be dropped on instance shutdown.
B. Create a tablespace in which the user can create segments for usage during sorts.
C. Create a tablespace in which oracle can create segments for usage during sorts.
D. Create a tablespace in which a user can create tables that will be automatically dropped after a
week
Answer: C
Oracle 1Z0-024기출문제 1Z0-024덤프 1Z0-024
NO.11 Which dynamic view is most useful for determining the current number of blocks allocated
to a buffer pool?
A. V$CACHE
B. V$SESS_IO
C. V$SYSSTAT
D. V$BUFFER_POOL
Answer: D
Oracle자료 1Z0-024기출문제 1Z0-024 1Z0-024 dumps
NO.12 Which action could potentially cause checkpoints to take longer?
A. Increasing the number of redo log groups.
B. Increasing the size of rollback segments.
C. Decreasing the value of the REDO_LOG_BUFFERS parameter.
D. Increasing the value of the FATS_START_IO_TARGET parameter.
Answer: D
Oracle 1Z0-024 1Z0-024 1Z0-024자료
NO.13 What does this statement do?
SQL>ANALYZE INDEX index_name VALIDITY STRUCTURE;
A. It places information into the INDEX_STATS view and allows for the monitoring of space
used by an index.
B. It provides information in the INDEX_HISTOGRAM view to indicate whether an index is
invalid or valid.
C. It provides information in the DBA_INDEXES view for the COST BASED Optimizer when
choosing an execution plan.
Answer: A
Oracle dump 1Z0-024기출문제 1Z0-024인증
NO.14 Which type of transaction should you assign to a specific large rollback segment?
A. Batch jobs that modify many rows.
B. Long running serializable transactions.
C. Long running reports, to avoid 'snapshot too old' errors.
D. Discrete transactions that modify many rows in the same block.
Answer: A
Oracle dumps 1Z0-024 dumps 1Z0-024 1Z0-024 1Z0-024덤프 1Z0-024시험문제
NO.15 Which tablespace is used as the temporary tablespace if 'TEMPORARY TABLESPACE' is
not specified for a user?
A. TEMP
B. DATA
C. SYSTEM
D. ROLL-BACK
Answer: C
Oracle기출문제 1Z0-024 1Z0-024 1Z0-024자료 1Z0-024자료 1Z0-024
NO.16 Which three statements about improving the performance of the database buffer cache by
creating multiple buffer pools are true? (Choose three)
A. One, two, or three pools may be defined.
B. There are at least 50 blocks per LRU latch for
each pool.
C. Each buffer pool is assigned latches taken from DB_BLOCK_LRU_LATCHES.
D. The size of the DEFAULT pool is obtained by adding all the pools to the value of the
DB_BLOCK_BUFFERS parameter.
Answer: A, B, C
Oracle dump 1Z0-024자격증 1Z0-024덤프
NO.17 In which two ways can you reduce the amount of sorting that is performed? (Choose two)
A. By using UNIONinstead of UNION ALL.
B. By using NOSORT when creating tables.
C. By using NOSORT when creating indexes.
D. By using COMPUTE instead of ESTIMATE when analysing objects.
E. By reducing the number of users that have the sort privilege.
F. By creating appropriate indexes on tables that are joined often.
Answer: C, F
Oracle덤프 1Z0-024 1Z0-024 1Z0-024
NO.18 When performing a sort operation, you notice that there are a large number of sorts
requiring I/O to the disk. Which parameter could be increased to allow more sorts to be
performed in memory?
A. SORT_AREA_SIZE
B. LARGE_POOL_SIZE
C. SORT_AREA_RETAINED_SIZE
D. SORT_MULTIBLOCK_READ_COUNT
Answer: A
Oracle 1Z0-024 1Z0-024자격증 1Z0-024최신덤프
NO.19 Which three statements about rebuilding indexes are true? (Choose three)
A. The ALTER INDEX REBUILD command is used to change the storage characteristics of an
index.
B. Using the ALTER INDEX REBUILD is usually faster than dropping and recreating an index
because it uses the fast full scan feature.
C. Oracle8i allows for the creation of an index or re-creation of an existing index while allowing
concurrent operations on the base table.
D. When building an index, the NOLOGGING and UNRECOVERABLE keywords can be used
concurrently to reduce the time it takes to rebuild.
Answer: A, B, C
Oracle 1Z0-024기출문제 1Z0-024 1Z0-024 1Z0-024
NO.20 When a deadlock shutdown is detected by Oracle, where is the trace file generated?
A. SQL_TRACE
B. TRACE_DEST
C. USER_DUMP_DEST
D. CORE_DUMP_DEST
E. BACKGROUND_DUMP_DEST
Answer: C
Oracle 1Z0-024시험문제 1Z0-024 1Z0-024시험문제 1Z0-024
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