The command succeeds only if Automatic Memory Management is not enabled.
The command succeeds， but you need to restart the database for changes to take effect.
The command returns an error because the size of the redo log buffer cannot be changed dynamically.
The parameter value is changed and it comes into effect as soon as space becomes available in theSystem Global Area （SGA）
第1题：
Your database is started by using the server parameter file （SPFILE）. You issued this command to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH; What would be the outcome of this command？（）
第2题：
You are using an Automatic Storage Management （ASM） instance to manage the files of your production database. While studying the parameter file of the ASM instance， you find the following entry： ASM_DISKSTRING = /devices/* What could be the reason for this setting？（）
第3题：
In your database, the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory (OID). SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command:Which authentication method would be used first?（）
A. authentication by password file
B. authentication by using certificates over SSL
C. authentication by using the Oracle Internet Directory
D. authentication by using the local OS of the database server
第4题：
Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）
第5题：
Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）
第6题：
The production database has been functional for the last seven days. Because of application requirements， some of the initialization parameters were changed during run time without any comments. You have asked to find out the value of the parameters when the instance was started.Which source would you use to locate this information？（）
第7题：
Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN> BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）
第8题：
A. As ASM instance mounts an ASM control file
B. An ASM instance uses the ASMB process for rebalancing of disks within a disk group
C. Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
D. An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started
第9题：
What is true regarding a shared， server-side parameter file for a Real Application Cluster database？ （）
第10题：
our database instance is started using the server parameter file （SPFILE）. You executed a command tochange the value of the LOG_BUFFER initialization parameter：ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）