레이블이 1Z0-031인 게시물을 표시합니다. 모든 게시물 표시
레이블이 1Z0-031인 게시물을 표시합니다. 모든 게시물 표시

2013년 10월 14일 월요일

1Z0-031 덤프 Oracle 자격증

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시험 번호/코드: 1Z0-031
시험 이름: Oracle (Oracle9i database:fundamentals i)
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Q&A: 172 문항
업데이트: 2013-10-13

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NO.1 Which password management feature ensures a user cannot reuse a password for a specified time
interval?
A. Account Locking
B. Password History
C. Password Verification
D. Password Expiration and Aging
Answer: B

Oracle   1Z0-031 pdf   1Z0-031   1Z0-031   1Z0-031 pdf

NO.2 Examine these statements: 1) MOUNT mounts the database for certain DBA activities but does not
provide user access to the database. 2) The NOMOUNT command creates only the Data Buffer but does
not provide access to the database. 3 ) The OPEN command enables users to access the database. 4)
The STARTUP command starts an instance.
Which option correctly describes whether some or all of the statements are TRUE or FALSE?
A. 2 and 3 areTRUE
B. 1 and 3 areTRUE
C. 1 is TRUE, 4 is FALSE
D. 1 is FALSE, 4 is TRUE
E. 1 is FALSE, 3 is TRUE F. 2 is FALSE, 4 is FALSE
Answer: B

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NO.3 You created a tablespace SH_TBS. The tablespace consists of two data files: sh_tbs_data1.dbf and
sh_tbs_data2.dbf.You created a nonpartitioned table SALES_DET in the SH_TBS tablespace. Which two
statements are true? (Choose two.)
A. The data segment is created as soon as the table is created.
B. The data segment is created when the first row in the table is inserted.
C. You can specify the name of the data file where the data segment should be stored.
D. The header block of the data segment contains a directory of the extents in the segment.
Answer: AD

Oracle기출문제   1Z0-031덤프   1Z0-031   1Z0-031

NO.4 Which constraint state prevents new data that violates the constraint from being entered, but allows
invalid data toexist in the table?
A. ENABLE VALIDATE
B. DISABLE VALIDATE
C. ENABLE NOVALIDATE
D. DISABLE NOVALIDATE
Answer: C

Oracle   1Z0-031자료   1Z0-031덤프   1Z0-031

NO.5 In your database, you observe that a database user is executing a lot of CPU-intensive queries,
thereby causing the database performance to degrade. You want to restrict the resource utilization of that
user without affecting other database users. Which two options can you use? (Choose two.)
A. start the database in QUIESCED mode
B. use the Database Resource Manager to prioritize CPU usage
C. grant the RESTRICTED SESSION system privilege to the user
D. create a profile with resource restriction and assign it to the user
E. create a database trigger to monitor user queries and to terminate the user session if the CPU usage
exceeds a threshold value
Answer: BD

Oracle   1Z0-031자격증   1Z0-031자료   1Z0-031 dumps

NO.6 Which three statements regarding an extent are true? (Choose three.)
A. It can belong to multiple segments.
B. It is a set of contiguous data blocks.
C. It can be allocated manually to a segment.
D. It may be deallocated when a table is truncated.
E. It is allocated when a new column without a DEFAULT value is added to a table.
Answer: BCD

Oracle시험문제   1Z0-031   1Z0-031   1Z0-031   1Z0-031   1Z0-031

NO.7 You plan to enable user tracing in your database. You changed the value of the SQL_TRACE
parameter to TRUE in the initialization parameter file and restarted the database. Which statement is true
in this scenario?
A. A trace file created at the time of creating the database is used and updated.
B. A trace file is created every time the database starts up and is common to all the sessions.
C. A trace file is created for every schema and is common to all the sessions connected to that schema.
D. A trace file is created for every new session and is updated whenever a SQL statement is executed in
that session.
Answer: D

Oracle인증   1Z0-031자격증   1Z0-031   1Z0-031

NO.8 When an Oracle instance is started, background processes are started. Background processes
perform which twofunctions? (Choose two.)
A. perform I/O
B. lock rows that are not data dictionary rows
C. monitor other Oracle processes
D. connect users to the Oracle instance
E. execute SQL statements issued through an application
Answer: AC

Oracle dumps   1Z0-031   1Z0-031최신덤프

NO.9 You intend to use only password authentication and have used the password file utility to create a
password file as follows:
$orapwd file=$ORACLE_HOME/dbs/orapwDB01 password=orapass entries=5 The
REMOTE_LOGIN_PASSWORDFILE initialization parameter is set to NONE. You created a user and
granted only the SYSDBA privilege to that user as follows:
CREATE USER dba_user IDENTIFIED BY dba_pass; GRANT sysdba TO dba_user; The user attempts
to connect to the database as follows: connect dba_user/dba_pass as sysdba; Why does the connection
fail?
A. The DBA privilege was not granted to dba_user.
B. REMOTE_LOGIN_PASSWORDFILE is not set to EXCLUSIVE.
C. The password file has been created in the wrong directory.
D. The user did not specify the password orapass to connect as SYSDBA.
Answer: B

Oracle   1Z0-031 dumps   1Z0-031 dump   1Z0-031시험문제

NO.10 In your initialization parameter file, the RESOURCE_LIMIT parameter is set to FALSE. The database
users have a profile that contains both password and resource restrictions. What is the impact of this
parameter setting on the sessions of the database users?
A. All profile restrictions are effective for the sessions.
B. None of the profile restrictions are effective for the sessions.
C. Only the password restrictions are effective for the sessions.
D. No sessions can be created because the parameter is set to False.
Answer: C

Oracle dumps   1Z0-031   1Z0-031

NO.11 ABC Company consolidated into one office building, so the very large EMPLOYEES table no longer
requires the
OFFICE_LOCATION column. The DBA decided to drop the column using the syntax below: ALTER
TABLE hr.employees DROP COLUMN building_location CASCADE CONSTRAINTS;
Dropping this column has turned out to be very time consuming and is requiring a large amount of undo
space. What could the DBA have done to minimize the problem regarding time and undo space
consumption?
A. Use the Export and Import utilities to bypass undo.
B. Mark the column as UNUSED. Remove the column at a later time when less activity is on the system.
C. Drop all indexes and constraints associated with the column prior to dropping the column.
D. Mark the column INVALID prior to beginning the drop to bypass undo. Remove the column using the
DROP UNUSED COLUMNS command.
E. Add a checkpoint to the DROP UNUSED COLUMNS command to minimize undo space.
Answer: B

Oracle   1Z0-031   1Z0-031   1Z0-031기출문제

NO.12 Which two statements are true regarding temporary data files (temp files) in locally managed
temporary tablespaces? (Choose two.)
A. Temp files are always set to NOLOGGING mode.
B. It is possible to rename temp files.
C. Temp files can be created by the ALTER DATABASE command.
D. Temp files are required for read-only databases.
E. Temp files can be made read only.
Answer: AD

Oracle   1Z0-031   1Z0-031

NO.13 An INSERT statement failed and is rolled back. What does this demonstrate?
A. insert recovery
B. read consistency
C. transaction recovery
D. transaction rollback
Answer: D

Oracle dump   1Z0-031   1Z0-031

NO.14 In which situation should the control file be backed up?
A. when a checkpoint occurs
B. when you create a new schema
C. when you add a data file to a tablespace
D. when you execute any transactional control command
Answer: C

Oracle   1Z0-031인증   1Z0-031   1Z0-031

NO.15 Which command can you use to display the date and time in the form 17:45:01 JUL-12-2000 using the
default US7ASCII character set?
A. ALTER SYSTEM SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
B. ALTER SESSION SET DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
C. ALTER SESSION SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
D. ALTER SYSTEM SET NLS_DATE_FORMAT='HH:MI:SS MON-DD-YYYY';
Answer: C

Oracle dumps   1Z0-031인증   1Z0-031   1Z0-031 dump

NO.16 Your database is currently configured with the database character set to WE8ISO8859P1 and
national character set toAL16UTF16.Business requirements dictate the need to expand language
requirements beyond the current character set, for Asian and additional Western European languages, in
the form of customer names and addresses. Which solution saves space storing Asian characters and
maintains consistent character manipulation performance?
A. Use SQL CHAR data types and change the database character set to UTF8.
B. Use SQL NCHAR data types and change the national character set to UTF8.
C. Use SQL CHAR data types and change the database character set to AL32UTF8.
D. Use SQL NCHAR data types and keep the national character set to AL16UTF16.
Answer: D

Oracle인증   1Z0-031   1Z0-031자격증   1Z0-031

NO.17 You created the password file in your database server as follows: $ orapwd
file=$ORACLE_HOME/dbs/orapwdb password=dba entries=2 Further, you granted the SYSDBA
privilege to the user SCOTT who has TIGER as the password. What effect would the assigning of this
privilege have on Scott's password?
A. The password will not be effected and remain as TIGER.
B. The password will change from TIGER to DBA.
C. The password will be DBA when he connects as SYSDBA, and he can use either TIGER or DBA when
connecting asa normal user.
D. The password will be DBA when SCOTT connects as SYSDBA, and TIGER when connecting as a
normal user.
Answer: A

Oracle시험문제   1Z0-031   1Z0-031 dump   1Z0-031

NO.18 Which are considered types of segments?
A. only LOBs
B. only nested tables
C. only index-organized tables
D. only LOBs and index-organized tables
E. only nested tables and index-organized tables
F. only LOBs, nested tables, and index-organized tables
G. nested tables, LOBs, index-organized tables, and boot straps
Answer: G

Oracle시험문제   1Z0-031 pdf   1Z0-031   1Z0-031

NO.19 Which process is started when a user connects to the Oracle server in a dedicated server mode?
A. DBWn
B. PMON
C. SMON
D. Server
Answer: D

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NO.20 Which statement regarding the creation of a dictionary-managed tablespace is true?
A. You cannot set the tablespace for NOLOGGING mode.
B. You can set segment space management clause to auto.
C. You can specify default storage for dictionary-managed tablespaces.
D. You cannot specify default storage for a tablespace that consists of an autoextensible data file.
Answer: C

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2013년 8월 5일 월요일

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NO.1 Your production environment has the following features:
-The database is running in ARCHIVELOG mode.
-There are two online redo log groups.
-The redo log files are not multiplexed.
-The redo log files are frequently overwritten because of a large number of transactions.
What is the effect on the database if one of the online redo log files is not yet archived, and the log
writer (LGWR) process attempts to overwrite it because of a log switch?
A. The transactions halt until the redo log file becomes available or is archived.
B. The online redo log file is not archived and database operations continue as normal.
C. The database instance is shut down immediately, requiring an instance recovery to be performed.
D. The number of the Archiver (ARCn) processes is dynamically increased by the RDBMS for faster
archiving of the online redo log file.
E. The database instance is shut down immediately, requiring a media recovery to be performed.
Answer: A

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NO.2 Which statement correctly describes the purpose of the REFRESH COMPLETE option when
used with materialized view?
A. truncates the materialized view and repopulates it with the data from the base table in the query
B. populates the materialized view with the data from the base tables that has changed since the
last refresh
C. populates the materialized view with the data from the base tables after each commit to any of
the base tables
D. truncates the materialized view and populates it with the data from the base tables that has
changed since the last refresh
Answer: A

Oracle   1Z0-033   1Z0-033시험문제   1Z0-033기출문제   1Z0-033시험문제

NO.3 You are working in an OLTP environment. You wish to reduce the virtual memory requirements
for the Oracle instance due to Operating system paging or swap overheads. You need to determine
whether the buffer cache is oversized and could tolerate being reduced. In which two cases can you
afford to reduce the buffer cache size? (Choose two.)
A. if the cache hit ratio is very high
B. if there are no waits for free buffers
C. if the rate of physical I/O is very high
D. if the number of full table scans is very low
E. if the number of index accesses is very high
Answer: A,B

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NO.4 Which two statements are correct regarding stored outlines? (Choose two.)
A. The outlines are stored in the SYS schema.
B. The stored outlines always use the cost-based optimizer.
C. You cannot create several stored outlines for a single SQL statement.
D. The USE_STORED_OUTLINES parameter cannot be set at the session level.
E. When you set USE_STORED_OUTLINES to false and CREATE_STORED_OUTLINES to true, the
Oracle database creates outlines but does not use them.
Answer: B,E

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NO.5 Which three techniques should a DBA use to reduce the overhead on library cache? (Choose
three.)
A. flush shared pool at regular intervals
B. configure Keep and Recycle buffer pools
C. ensure that the shared pool is sufficiently sized
D. set the CURSOR_SHARING parameter to SIMILAR or FORCE
E. set CURSOR_SPACE_FOR_TIME initialization parameter to FALSE
F. avoid data definition language (DDL) statements that cause invalidations
G. use literals in SQL statements when the CURSOR_SHARING parameter is set to EXACT
Answer: C,D,F

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NO.6 You created a mapping table on an index-organized table (IOT). What could be the reason for
creating a mapping table?
A. You want to add the IOT to a cluster.
B. You want to keep track of the overflowing segments.
C. You want to store all the non-key columns of the IOT.
D. You want to create a bitmapped secondary index on the IOT.
Answer: D

Oracle   1Z0-033   1Z0-033   1Z0-033

NO.7 While studying the statspack report, you observe a contention for the Sort Extent Pool latch,
caused due to too many concurrent sorts. What action would you take to minimize the contention?
A. modify the temporary tablespace to decrease the extent size
B. resize the data file to increase the size of the temporary tablespace
C. decrease the value of the SORT_AREA_RETAINED_SIZE parameter
D. increase the PGA_AGGREGATE_TARGET to make more sorts stay in memory
Answer: D

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NO.8 Why does performance degrade when many UPDATE, INSERT, or DELETE statements are issued
on a table that has an associated Bitmap index?
A. Some DML operations re-create the Bitmap index blocks.
B. The Bitmap index is rebuilt automatically after a DML operation.
C. The smallest amount of a bitmap that can be locked is a bitmap segment.
D. Additional time is taken to remove NULL values from the Bitmap index after a DML operation.
Answer: C

Oracle   1Z0-033   1Z0-033   1Z0-033

NO.9 You logged in as sysdba and executed the catblock.sql script in your database. What does the
script do?
A. creates the dba_locks and dba_blockers views
B. kills the sessions that are holding unnecessary locks
C. displays the details about sessions that are waiting for locks
D. displays the details about sessions that are blocking objects
Answer: A

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NO.10 You execute the following query to check resource consumption in the current plan used by
the database:
SQL> SELECT name,active_sessions,requests,queue_length,current_undo_consumption "UNDO
CONSUMPTION" FROM V$rsrc_consumer_group;
NAME ACTIVE_SESSIONS REQUESTS QUEUE_LENGTH UNDO CONSUMPTION
OTHER_GROUPS 1 1 0 0 GROUP1 2 4 2 0
Which statement is correct when a user belonging to GROUP1 tries to start a session?
A. The user can login but the session will be queued.
B. The user's attempt to start a session fails with an error.
C. The session starts successfully and allows all the operations.
D. The session starts successfully but cannot perform data definition language (DDL) operations.
E. The session opens successfully but cannot perform data manipulation language (DML) operations.
Answer: A

Oracle   1Z0-033기출문제   1Z0-033

NO.11 Which two statements are valid regarding row migration? (Choose two.)
A. It can be reduced by decreasing the PCTFREE value.
B. The row migration causes more than one block to be read when a row is accessed.
C. It can be resolved by using the ANALYZE TABLE...ESTIMATE STATISTICS command.
D. It is caused by inserting a row into an empty data block where the row is too large to fit into that
empty block.
E. It is caused by an UPDATE statement that increases the data in a row so that the new larger
version of the row no longer fits in its data block.
Answer: B,E

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NO.12 Which three statements describe good practices for an application developer to reduce
locking problems? (Choose three.)
A. Avoid coding long-running transactions.
B. Let the database handle locks in default locking mode.
C. Always explicitly code the locks as per the requirement of the application.
D. Allow escalation of row locks to block locks if too many row locks cause a problem.
E. Long-running transactions that interfere with other sessions should be run during off-peak hours.
Answer: A,B,E

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