Oracle认证考试单项选择题每日一练(2019.12.26)

单项选择题
You want an ASM instance to manage the files of your database. To achieve this objective， you specify the following parameters in the parameter file of the database： INSTANCE_TYPE = RDBMS DB_NAME = PROD LARGE_POOL_SIZE = 8MB DB_BLOCK_SIZE = 4K LOG_ARCHIVE_DEST = +dgroupA LOG_ARCHIVE_FORMAT = "$ORACLE_SID_%s_%t.%t" DB_CREATE_FILE_DEST = +dgroupA COMPATIBLE = 10.1.0.2.0 CONTROL_FILES = +dgroupA Which parameter would be ignored while starting up the instance for the database PROD？（）
A.DB_BLOCK_SIZE
B.CONTROL_FILES
C.LARGE_POOL_SIZE
D.LOG_ARCHIVE_DEST
E.LOG_ARCHIVE_FORMAT
F.DB_CREATE_FILE_DEST
单项选择题
You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）
A. loss of one of the tablespaces
B. loss of a system data file
C. loss of one of the control files
D. loss of a tempfile
E. loss of the only member of an unarchived redo log group
F. loss of a member from each redo log group
单项选择题
You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux.You have set the DB_SMART_FLASH_FILE parameter:DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（）
A. Set DB_FLASH_CACHE_SIZE=64G
B. Set D3_FLASH_CACHE_SIZE=64G, 64G
C. Set D3_FLASK_CACKE_SI2E=128G
D. db_flash_cache_SI2E is automatically configured by the instance at startup
单项选择题
Given:Which command-line invocations will compile?（）
A.javac Mule.java
B.javac -source 1.3 Mule.java
C.javac -source 1.4 Mule.java
D.javac -source 1.5 Mule.java
单项选择题
You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of atablespace. Which statement is true in this scenario？（）
A.A
B.B
C.C
D.D
E.E