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Which two statements are true regarding the functionality of the remap command in ASMCMD?（）
- A、It repairs blocks that have read disk I/O errors.
- B、It checks whether the alias metadata directory and the file directory are linked correctly.
- C、It repairs blocks by always reading them from the mirror copy and writing them to the original location.
- D、It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.
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更多 “Which two statements are true regarding the functionality of the remap command in ASMCMD?（）A、It repairs blocks that have read disk I/O errors.B、It checks whether the alias metadata directory and the file directory are linked correctly.C、It repairs blocks by always reading them from the mirror copy and writing them to the original location.D、It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.” 相关考题
考题
Which two statements are true regarding the functionality of the remap command in ASMCMD?()
A. It repairs blocks that have read disk I/O errors.B. It checks whether the alias metadata directory and the file directory are linked correctly.C. It repairs blocks by always reading them from the mirror copy and writing them to the original location.D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.
考题
Which statement is true regarding the VALIDATE DATABASE command?()
A. It checks the database for intrablock corruptions only.B. It checks for block corruption in the valid backups of the database.C. It checks the database for both intrablock and interblock corruptions.D. It checks for only those corrupted blocks that are associated with data files.
考题
Given that the current directory is empty, and that the user has read and write permissions, and the following:Which statement is true?()
A.Compilation fails.B.The file system has a new empty directory named dir.C.The file system has a new empty directory named newDir.D.The file system has a directory named dir, containing a file f1.txt.E.The file system has a directory named newDir, containing a file f1.txt.
考题
You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）A. Corrupted blocks, if any, are repaired.B. Checks are performed for physical corruptions.C. Checks are performed for logical corruptions.D. Checks are performed to confirm whether all database files exist in correct locationsE. Backup sets containing both data files and archive logs are created.
考题
Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）A、 The df command only counts the number of disk blocks and superblocks. B、 The df command ignores space used for inodes, gnodes, and vnodes.C、 The du command does not take into account filesystem metadata. D、 The du command counts indirect blocks and superblocks in its calculations.
考题
You want to create a valid directory structure for your Java EE web application， and you want to put yourweb application into a WAR file called MyApp.war. Which two are true about the WAR file？（）A、At deploy time， Java EE containers add a directory called META-INF directly into the MyApp directory.B、At deploy time， Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.C、It can instruct your Java EE container to verify， at deploy time， whether you have properly configured your application’s classes.D、At deploy time， Java EE containers add a directory call META-WAR directly into the MyApp directory.
考题
Which two are the uses of the ASM metadata backup and restore （AMBR） feature？（）A、 It can be used to back up all data on ASM disks.B、 It can be used to recover the damaged ASM disk group along with the data.C、 It can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.D、 It can be used to re-create the ASM disk group with its attributes.
考题
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $ sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?（）A、It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.B、It fails because no SQL *Loader data file location is specified.C、It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.D、It fails because no SQL *Loader control file location is specified.
考题
Which two statements are true regarding B-tree indexs（）A、The leaf blocks in the index are doubly linked.B、The leaf node stores a bitmap for each key value.C、The rows with NULL value in key columns also have entries in the index.D、The deletion of a row from the table causes a logical deletion in index leaf block and the space becomesavailable for the new leaf entry
考题
You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）A、Corrupted blocks, if any, are repaired.B、Checks are performed for physical corruptions.C、Checks are performed for logical corruptions.D、Checks are performed to confirm whether all database files exist in correct locationsE、Backup sets containing both data files and archive logs are created.
考题
You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays， to tape. Which two statements are true about differential incremental backups（）A、The backup performed on Sundays contains all the blocks that have ever been used in the database.B、The backup performed on Sundays contains all the blocks that have changed since the last level 1backup. C、The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.D、The backup performed on Monday contains all the blocks that have changed since the level 0 backup，and every other working day contains all the blocks that have changed since the level 1 backup.
考题
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？（）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.
考题
Which statement is true regarding the VALIDATE DATABASE command?（）A、It checks the database for intrablock corruptions only.B、It checks for block corruption in the valid backups of the database.C、It checks the database for both intrablock and interblock corruptions.D、It checks for only those corrupted blocks that are associated with data files.
考题
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
考题
Which two statements are true regarding a tablespace（）A、It can span multiple databases.B、It can consist of multiple data files.C、It can contain blocks of different sizes.D、It can contain segments of different sizes.E、It can contain a part of a nonpartitioned segment.
考题
Which two statements are true regarding B-tree index（）A、The leaf blocks in the index are doubly linked.B、The leaf node stores a bitmap for each key value.C、The rows with NULL value in key columns also have entries in the index.D、The deletion of a row from the table causes a logical deletion in index leaf block and the space becomes available for the new leaf entry.
考题
单选题You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group ，you issued the following ASMCMD command： ASMCMD lsdsk -I -d DATA Which statement is true regarding the outcome of this command？（）A
The command succeeds but it retrieves only the disk names.B
The command produces an error because the ASM instance is down.C
The command succeeds but it shows only the status of the ASM instance.D
The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.
考题
多选题On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $ sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?（）AIt succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.BIt fails because no SQL *Loader data file location is specified.CIt fails if the HR user does not have the CREATE ANY DIRECTORY privilege.DIt fails because no SQL *Loader control file location is specified.
考题
多选题Which two statements are true regarding B-tree index（）AThe leaf blocks in the index are doubly linked.BThe leaf node stores a bitmap for each key value.CThe rows with NULL value in key columns also have entries in the index.DThe deletion of a row from the table causes a logical deletion in index leaf block and the space becomes available for the new leaf entry.
考题
多选题On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $ sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?（）AIt succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.BIt fails because no SQL *Loader data file location is specified.CIt fails if the HR user does not have the CREATE ANY DIRECTORY privilege.DIt fails because no SQL *Loader control file location is specified.
考题
单选题Which statement is true regarding the VALIDATE DATABASE command?（）A
It checks the database for intrablock corruptions only.B
It checks for block corruption in the valid backups of the database.C
It checks the database for both intrablock and interblock corruptions.D
It checks for only those corrupted blocks that are associated with data files.
考题
单选题Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）A
The df command only counts the number of disk blocks and superblocks. B
The df command ignores space used for inodes, gnodes, and vnodes.C
The du command does not take into account filesystem metadata. D
The du command counts indirect blocks and superblocks in its calculations.
考题
单选题Given that the current directory is empty， and that the user has read and write privileges to the current directory， and the following： Which statement is true？（）A
Compilation fails.B
Nothing is added to the file system.C
Only a new file is created on the file system.D
Only a new directory is created on the file system.E
Both a new file and a new directory are created on the file system.
考题
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
考题
单选题You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command: ASMCMD lsdsk -I -d DATA Which statement is true regarding the outcome of this command?（）A
The command succeeds but it retrieves only the disk names.B
The command produces an error because the ASM instance is down.C
The command succeeds but it shows only the status of the ASM instance.D
The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.
考题
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？（）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.
考题
多选题Which two statements are true regarding B-tree indexs（）AThe leaf blocks in the index are doubly linked.BThe leaf node stores a bitmap for each key value.CThe rows with NULL value in key columns also have entries in the index.DThe deletion of a row from the table causes a logical deletion in index leaf block and the space becomesavailable for the new leaf entry
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