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試験科目：Oracle Database 12c: Installation and Administration
問題と解答：全166問
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NO.1 Which statement is true about the Log Writer process?
A. It writes when it receives a signal from the checkpoint process (CKPT).
B. It writes concurrently to all members of multiplexed redo log groups.
C. It writes after the Database Writer process writes dirty buffers to disk.
D. It writes when a user commits a transaction.
Answer: D
Oracle書籍 1z0-062 1z0-062問題集 1z0-062入門
Reference: http://docs.oracle.com/cd/B19306_01 /server.102 /b14220/process.htm (see log writer
process (LGWR))
NO.2 The hr user receiver, the following error while inserting data into the sales table: ERROR at line
1:
ORA-01653; unable to extend table HR.SALES by 128 in tablespace USERS
On investigation, you find that the users tablespace uses Automnrif Segment Space Management
(ASSM). It is the default tablespace for the HR user with an unlimited quota on it.
Which two methods would you use to resolve this error?
A. Altering the data life associated with the USERS tablespace to ex automatically
B. Adding a data life to the USERS tablespace
C. Changing segment space management for the USERS tablespace to manual
D. Creating a new tablespace with autoextend enabled and changing the default tablespace of the
HR user to the new tablespace
E. Enabling resumable space allocation by setting the RESUMABLE_TIMEOUT parameter to a
nonzero value
Answer: A,D
Oracle認証試験 1z0-062 1z0-062
NO.3 Which two statements correctly describe the relationship between data files and logical
database structures?
A. A segment cannot span data files.
B. A data file can belong to only one tablespace.
C. An extent cannot span data files.
D. The size of an Oracle data block in a data file should be the same as the size of an OS block.
Answer: B,C
Oracle科目 1z0-062 PDF 1z0-062体験 1z0-062テスト
Reference: https://mohibalvi.wordpress.com/tag/alter-tablespace/
NO.4 Examine the resources consumed by a database instance whose current Resource Manager
plan is displayed.
SQL> SELECT name, active_sessions, queue_length, Consumed_cpu_time, cpu_waits,
cpu_wait_time FROM v$rsrc_consumer_group;
NAMEACTIVE_SESSIONS QUEUE_LENGTH CONSUMED_CPU_WAITS CPU_WAIT_TIME
OLTP__ORDER__ENTRY1029690 467 6709 OTHES__GROUPS 0 059823664089 60425 SYS_GROUP 1
02420704 914 19540 DS.S_QUERIES4245946603004 55700
Which two statements are true?
A. An attempt to start a new session by a user belonging to DSS_QUERIES fails with an error.
B. An attempt to start a new session by a user belonging to OTHE_GROUPS fails with an error.
C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited
for the CPU due to resource management.
D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited
for the CPU due to I/O waits and latch or enqueue contention.
E. A user belonging to the DSS__QUERIES resource consumer group can create a new session but
the session will be queued.
Answer: C,E
Oracle 1z0-062テスト 1z0-062 PDF 1z0-062練習問題
NO.5 The ORCL database is configured to support shared server mode. You want to ensure that a
user connecting remotely to the database instance has a one-to-one ratio between client and server
processes.
Which connection method guarantees that this requirement is met?
A. connecting by using an external naming method
B. connecting by using the easy connect method
C. creating a service in the database by using the dbms_service.create_service procedure and using
this service for creating a local naming service"
D. connecting by using the local naming method with the server = dedicated parameter set in the
tnsnames.ora file for the net service
E. connecting by using a directory naming method
Answer: C,E
Oracle合格点 1z0-062学校 1z0-062問題 1z0-062過去問 1z0-062教科書
NO.6 Which two statements are true about the logical storage structure of an Oracle database?
A. An extent contains data blocks that are always physically contiguous on disk.
B. An extent can span multiple segments,
C. Each data block always corresponds to one operating system block.
D. It is possible to have tablespaces of different block sizes.
E. A data block is the smallest unit of I/O in data files.
Answer: B,D
Oracle方法 1z0-062番号 1z0-062教材 1z0-062練習 1z0-062合格点 1z0-062体験
Reference: http://docs.oracle.com/cd/E11882_01 /server.112 /e40540/logical.htm#CNCPT250
NO.7 Examine the parameters for your database instance:
NAMETYPE VALUE
undo_management string AUTO undo_retentioninteger 12 00 undo_tablespace string UNDOTBS1
You execute the following command:
SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;
Which statement is true in this scenario?
A. Undo data is written to flashback logs after 1200 seconds.
B. Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of
space in the undo tablespace.
C. You can perform a Flashback Database operation only within the duration of 1200 seconds.
D. An attempt is made to keep inactive undo for 1200 seconds but transactions may overwrite the
undo before that time has elapsed.
Answer: A
Oracle教本 1z0-062フリーク 1z0-062 1z0-062難易度
NO.8 You plan to create a database by using the Database Configuration Assistant (DBCA), with the
following specifications:
-Applications will connect to the database via a middle tier.
-The number of concurrent user connections will be high.
-The database will have mixed workload, with the execution of complex BI queries scheduled at
night.
Which DBCA option must you choose to create the database?
A. a General Purpose database template with default memory allocation
B. a Data Warehouse database template, with the dedicated server mode option and AMM enabled
C. a General Purpose database template, with the shared server mode option and Automatic
Memory Management (AMM) enabled
D. a default database configuration
Answer: C
Oracleガイド 1z0-062教科書 1z0-062方法 1z0-062受験記 1z0-062一発合格
Reference:
http://www.oracledistilled.com/oracle-database/administration/creating-a-databaseusing-database
-configuration-assistant/
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