单选题Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group? ()Awhen ASM disk goes offlineBwhen one or more ASM files are droppedCwhen some disks in a disk group are offlineDwhen some disks in a failure group for a disk group are rebalancing
单选题
Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group? ()
A
when ASM disk goes offline
B
when one or more ASM files are dropped
C
when some disks in a disk group are offline
D
when some disks in a failure group for a disk group are rebalancing
参考解析
解析:
暂无解析
相关考题:
You want to perform the following operations for the DATA ASM disk group:Which command accomplishes these tasks?() A. ALTER DISKGROUP data CHECK;B. ALTER DISKGROUP data CHECK DISK;C. ALTER DISKGROUP data CHECK FILE;D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1;
Upon starting your database, you receive the following error:You can choose from the following steps:1.Restore the database datafiles.2.Issue the alter database clear unarchived logfile group 1 command.3.Issue the alter database open command.4.Issue the alter database open resetlogs command.5.Recover the database using point-in-time recovery.6.Issue the Startup Mount command to mount the database.7.Back up the database.Which is the correct order of these steps in this case?()A. 1,6,5,4,7B. 6,5,4C. 6,2,3,7D. 1,6,3E. The database cannot be recovered
Which two commands never trigger an implicit rebalancing within the disk group?() (Choose two.)A、ALTER DISKGROUP misc MOUNT;B、ALTER DISKGROUP misc DROP DISK misc2;C、ALTER DISKGROUP misc CHECK ALL NOREPAIR;D、ALTER DISKGROUP misc RESIZE ALL SIZE 1023m;E、ALTER DISKGROUP dgroupA ADD DISK '/devices/A*';
Consider the following scenario: You have a directory, data, under the disk group tdgroupA. You want to create an alias for one of the data files and you execute the following command: ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA.231.45678’; Which task would be accomplished by the command?()A、The command drops the file +tdgroupA·231.45678.B、The command physically relocates the file to +tdgroupA/data and renames the file to datafile.dbf.C、The command creates a copy of the +tdgroupA·231.45678 file and places it in +tdgroupA/data after renaming the file to datafile.dbf.D、The command creates an alias, datafile.dbf, and places it in +tdgroupA/data and does not remove the +tdgroupA·231.45678 file.E、The command creates a file, datafile.dbf, in +tdgroupA/data and removes the references for +tdgroupA·231.45678 from the data dictionary views.
You are managing a single instance Oracle 10g database that utilizes the following parameters: Which of the following set of commands must you execute to enable Flashback Database?()A、 STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;B、 STARTUP MOUNT ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;C、 STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;D、 STARTUP MOUNT ALTER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
Which two commands never trigger an implicit rebalancing within the disk group?()A、ALTER DISKGROUP misc MOUNT;B、ALTER DISKGROUP misc DROP DISK misc2;C、ALTER DISKGROUP misc CHECK ALL NOREPAIR;D、ALTER DISKGROUP misc RESIZE ALL SIZE 1023m;E、ALTER DISKGROUP dgroupA ADD DISK '/devices/A*';
You want to perform the following operations for the DATA ASM disk group: -Verify the consistency of the disk. -Cross-check all the file extent maps and allocation tables for consistency. check whether the alias metadata directory and file directory are linked correctly. -Check that ASM metadata directories do not have unreachable allocated blocks. Which command accomplishes these tasks()?A、 ALTER DISKGROUP data CHECKB、 ALTER DISKGROUP data CHECK DISKC、 ALTER DISKGROUP data CHECK FILED、 ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1
How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed?() A、 Issue the ALTER DISKGROUP ... ADD DISK command.B、 Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.C、 Issue the ALTER DISKGROUD、 Retrieve the disk from the Recycle Bin after the operation completes.
Examine the following statement that is used to modify the constraint on the SALES table: SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE; Which three statements are true regarding the above command()A、The constraint remains valid.B、The index on the constraint is dropped.C、It allows the loading of data into the table using SQL*Loader.D、New data conforms to the constraint, but existing data is not checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
Examine the following ALTER command: SQL ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()A、It cancels all pending disk drops within the disk groupB、It restores disks that are being dropped as the result of a DROP DISKGROUP operationC、It mounts disks in the disk group for which the drop-disk operation has already been completedD、It restores all the dropped disks in the disk group for which the drop-disk operation has already been completedE、It adds previously dropped disks back into the disk group
You issued the following command to mount the DATA disk group in restricted mode: ALTER DISKGROUP data MOUNT RESTRICT; What is the implication of this command?()A、 The client RDBMS instance can access the file as a read-only file.B、 A new disk cannot be added to a disk group.C、 A disk in a disk group can be taken offline.D、 The client RDBMS instance cannot access the files in the disk group.
多选题our database is in the MOUNT state and you execute the following command to open it: ALTER DATABASE OPEN What two actions are performed as a result of this command?()AAll control files are opened.BAll redo log files are openedCThe password file is opened.DThe parameter file is opened.EAll online data files are opened.
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has alreadycompleted?()AIssue the ALTER DISKGROUP ... ADD DISK command.BIssue the ALTER DISKGROUP ... UNDROP DISKS command.CIssue the ALTER DISKGROUP ... DROP DISK CANCEL command.DRetrieve the disk from the Recycle Bin after the operation completes
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed?()A Issue the ALTER DISKGROUP ... ADD DISK command.B Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.C Issue the ALTER DISKGROUD Retrieve the disk from the Recycle Bin after the operation completes.
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yetcompleted?()AIssue the ALTER DISKGROUP ... ADD DISK command.BIssue the ALTER DISKGROUP ... UNDROP DISKS command.CIssue the ALTER DISKGROUP ... DROP DISK CANCEL command.DRetrieve the disk from the Recycle Bin after the operation completes.
多选题Examine the following statement that is used to modify the constraint on the SALES table: SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE; Which three statements are true regarding the above command()AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL*Loader.DNew data conforms to the constraint, but existing data is not checkedEIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
单选题Examine the following ALTER command: SQL ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()AIt cancels all pending disk drops within the disk groupBIt restores disks that are being dropped as the result of a DROP DISKGROUP operationCIt mounts disks in the disk group for which the drop-disk operation has already been completedDIt restores all the dropped disks in the disk group for which the drop-disk operation has already been completedEIt adds previously dropped disks back into the disk group
单选题You issued the following command: ALTER TABLE SCOTT.EMP SHRINK SPACE; The SCOTT.EMP table is stored in the DATA1 tablespace that has the following properties: DATA1 is a read/write tablespace. DATA1 is not autoextensible to an unlimited size. DATA1 is online. Segment space management for the DATA1 tablespace is manual. You issued the ALTER TABLE SCOTT.EMP SHRINK SPACE; command that generates the following error: ORA-10635: Invalid segment or tablespace type What could be the reason for the failure of the command?()A The tablespace, DATA1, is not read-only.B The tablespace, DATA1, is not autoextensible.C The tablespace, DATA1, is not offline.D The segment space management for the tablespace, DATA1, is manual.
单选题You issued the following command to mount the DATA disk group in restricted mode: ALTER DISKGROUP data MOUNT RESTRICT; What is the implication of this command?()A The client RDBMS instance can access the file as a read-only file.B A new disk cannot be added to a disk group.C A disk in a disk group can be taken offline.D The client RDBMS instance cannot access the files in the disk group.
单选题You want to perform the following operations for the DATA ASM disk group: -Verify the consistency of the disk. -Cross-check all the file extent maps and allocation tables for consistency. check whether the alias metadata directory and file directory are linked correctly. -Check that ASM metadata directories do not have unreachable allocated blocks. Which command accomplishes these tasks()?A ALTER DISKGROUP data CHECKB ALTER DISKGROUP data CHECK DISKC ALTER DISKGROUP data CHECK FILED ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1
单选题You are managing a single instance Oracle 10g database that utilizes the following parameters: Which of the following set of commands must you execute to enable Flashback Database?()A STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;B STARTUP MOUNT ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;C STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;D STARTUP MOUNT ALTER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
单选题Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group?()A when ASM disk goes offlineB when one or more ASM files are droppedC when some disks in a disk group are offlineD when some disks in a failure group for a disk group are rebalancing
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed?()A Issue the ALTER DISKGROUP ... ADD DISK command.B Issue the ALTER DISKGROUP ... UNDROP DISKS command.C Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.D Retrieve the disk from the Recycle Bin after the operation completes.
单选题What is the net effect of the following command?() alter diskgroup dgroup1 drop disk abc;A The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command,the data on that disk will be lost.B The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.C The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete,the disk will be dropped.D This command will fail because you cannot drop a specific disk in an ASM disk group.E The disk drop command will be suspended for a predetermined amount of time,waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command,ASM will proceed to rebalance the disk group and then drop the disk.
单选题Examine the following ALTER command: SQL ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()A It cancels all pending disk drops within the disk group.B It restores disks that are being dropped as the result of a DROP DISKGROUP operationC It mounts disks in the disk group for which the drop-disk operation has already been co pletedD It restores all the dropped disks in the disk group for which the drop-disk operation has already been completedE It adds previously dropped disks back into the disk group
多选题You work as a database administrator for Supportcenter.cn. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN; What two actions are performed as a result of this command?()AAll control files are openedBAll redo files are openedCThe password file is openedDThe parameter file is openedEAll online data files are opened
单选题Consider the following scenario: You have a directory, data, under the disk group tdgroupA. You want to create an alias for one of the data files and you execute the following command: ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA.231.45678’; Which task would be accomplished by the command?()AThe command drops the file +tdgroupA·231.45678.BThe command physically relocates the file to +tdgroupA/data and renames the file to datafile.dbf.CThe command creates a copy of the +tdgroupA·231.45678 file and places it in +tdgroupA/data after renaming the file to datafile.dbf.DThe command creates an alias, datafile.dbf, and places it in +tdgroupA/data and does not remove the +tdgroupA·231.45678 file.EThe command creates a file, datafile.dbf, in +tdgroupA/data and removes the references for +tdgroupA·231.45678 from the data dictionary views.