单选题Your database block size is 4 KB. In this database, you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace?()A The parameter DB_CACHE_SIZE must be a multiple of 8.B The value of the parameter SGA_MAX_SIZE must be increased.C The tablespace must be created with a uniform extent size of 8 KBD The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.

单选题
Your database block size is 4 KB. In this database, you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace?()
A

 The parameter DB_CACHE_SIZE must be a multiple of 8.

B

 The value of the parameter SGA_MAX_SIZE must be increased.

C

 The tablespace must be created with a uniform extent size of 8 KB

D

 The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.


参考解析

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The DB_BLOCK_CHECKING initialization parameter is set to OFF.Which block checking would be performed?() A. The Oracle database will perform block checking for the index blocks onlyB. The Oracle database will not perform block checking for any of the data blocksC. The Oracle database will perform block checking for the default permanent tablespace onlyD. The Oracle database will perform block checking for the data blocks in all user tablespacesE. The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

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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_SIZEB、CONTROL_FILESC、LARGE_POOL_SIZED、LOG_ARCHIVE_DESTE、LOG_ARCHIVE_FORMATF、DB_CREATE_FILE_DEST

Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()A、The retention period to support flashbackB、The expected length of the longest-running queryC、The number of undo tablespaces in the databaseD、The size of the Flash Recovery Area for the database instance

The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed?()  A、 The Oracle database will perform block checking for the index blocks onlyB、 The Oracle database will not perform block checking for any of the data blocksC、 The Oracle database will perform block checking for the default permanent tablespace onlyD、 The Oracle database will perform block checking for the data blocks in all user tablespacesE、 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

While creating a database using Database Configuration Assistant tool, you created a database default temporary tablespace. Which activity would cause the default temporary tablespace of the database to be used?()A、the CREATE TABLE .. commandB、sorting of the SYSTEM tablespace’s dataC、sorting of data required by recursive SQL statementsD、the CREATE TABLE .. ORGANIZATION EXTERNAL .. commandE、sorting of data if the users have not been allocated temporary tablespace explicitlyF、sorting of data if the users have been allocated temporary tablespace explicitly

Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()A、 DROP TABLESPACE temp1;B、 DROP TABLESPACE temp1 INCLUDING CONTENTS;C、 DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;D、 DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;

The database has the data block size set to 8 KB. You need to import a tablespace with a 4 KB block size into the database. Which additional memory parameter(s) should be configured to perform a transportable tablespace import?()A、 DB_4K_CACHE_SIZE onlyB、 DB_8K_CACHE_SIZE onlyC、 DB_BLOCK_SIZE and DB_4K_CACHE_SIZED、 DB_BLOCK_SIZE and DB_8K_CACHE_SIZEE、 SGA_TARGET and DB_4K_CACHE_SIZEF、 DB_CACHE_SIZE only

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、 LARGE_POOL_SIZEB、 DB_CREATE_FILE_DESTC、 LOG_ARCHIVE_DESTD、 CONTROL_FILESE、 LOG_ARCHIVE_FORMATF、 DB_BLOCK_SIZE

Your database block size is 4 KB. In this database, you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace?()A、 The parameter DB_CACHE_SIZE must be a multiple of 8.B、 The value of the parameter SGA_MAX_SIZE must be increased.C、 The tablespace must be created with a uniform extent size of 8 KBD、 The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.

You have executed this command to change the size of the database buffer cache: SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered.  To verify the change in size, you executed this command: SQL SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE  ------------------- ----------- ------------------  db_cache_size big integer 4194304  (4M)  Why is the value set to 4194304 and not to 2516582()A、because 4194304 is the granule sizeB、because 4194304 is the standard block sizeC、because 4194304 is the largest nonstandard block size defined in the databaseD、because 4194304 is the total size of data already available in the database buffer cache

单选题At database startup, you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes?()A Start the database in OPEN mode, and create a new index tablespace.B Start the database in OPEN mode, and drop the lost index tablespace from the database.CStart the database in MOUNT mode, create a new index tablespace, and drop the lost index tablespace from the database.D Start the database in MOUNT mode, drop the lost index tablespace from the database, open the database, and create a new index tablespace.

单选题You have executed this command to change the size of the database buffer cache: SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered.  To verify the change in size, you executed this command: SQL SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE  ------------------- ----------- ------------------  db_cache_size big integer 4194304  (4M)  Why is the value set to 4194304 and not to 2516582()Abecause 4194304 is the granule sizeBbecause 4194304 is the standard block sizeCbecause 4194304 is the largest nonstandard block size defined in the databaseDbecause 4194304 is the total size of data already available in the database buffer cache

单选题You have executed this command to change the size of the database buffer cache: SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered. To verify the change in size, you executed this command:SQL SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582()ABecause 4194304 is the granule sizeBBecause 4194304 is the standard block sizeCBecause 4194304 is the largest nonstandard block size defined in the databaseDBecause 4194304 is the total size of data already available in the database buffer cache

单选题You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows:   CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE ’/u1/data/temp1.dbf’ SIZE 10M TABLESPACE GROUP ;   Which statement regarding the above command is correct?()A It will create the tablespace TEMP1 in group G1.B It will create the tablespace TEMP1 in group G3.C It will not add the tablespace TEMP1 to any group.D It will create the tablespace TEMP1 in the default group.

多选题Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()AThe retention period to support flashbackBThe expected length of the longest-running queryCThe number of undo tablespaces in the databaseDThe size of the Flash Recovery Area for the database instance

单选题View the Exhibit. You want to create a tablespace to contain objects with block size 16 KB. But while configuring the storage you find that the block size that you can provide is only 8 KB.  Which configuration couldhave enabled the block selection of 16 KB()A Choosing the extent allocation type to uniformB Choosing the Segment Space Management option to manualC Setting autoextension on for the data file mentioned for the tablespaceD Setting the DB_16K_CACHE_SIZE parameter for the database instance to a nonzero value

单选题While creating a database using Database Configuration Assistant tool, you created a database default temporary tablespace. Which activity would cause the default temporary tablespace of the database to be used?()Athe CREATE TABLE .. commandBsorting of the SYSTEM tablespace’s dataCsorting of data required by recursive SQL statementsDthe CREATE TABLE .. ORGANIZATION EXTERNAL .. commandEsorting of data if the users have not been allocated temporary tablespace explicitlyFsorting of data if the users have been allocated temporary tablespace explicitly

单选题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 LARGE_POOL_SIZEB DB_CREATE_FILE_DESTC LOG_ARCHIVE_DESTD CONTROL_FILESE LOG_ARCHIVE_FORMATF DB_BLOCK_SIZE

单选题You have executed this command to change the size of the database buffer cache: SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered. To verify the change in size, you executed this command:SQL SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582()ABecause 4194304 is the granule sizeBBecause 4194304 is the standard block sizeCBecause 4194304 is the largest nonstandard block size defined in the databaseDBecause 4194304 is the total size of data already available in the database buffer cache

单选题The SPFILE for the PROD database specifies the following initialization parameter values:   SGA_TARGET = 2G   DB_8K_CACHE_SIZE = 128M   You create a tablespace named HR with the non-standard block size of 8K. Four database users are running queries on a table in the HR tablespace. These users complain that the queries are taking longer than usual to complete. While investigating the reasons for this delay, you discover that the database encounters extensive cache misses on the database buffer cache with the block size of 8K. You issue the following statement to increase the value of the DB_8K_CACHE_SIZE initialization parameter to 256M:   SQLALTER SYSTEM SET DB_8K_CACHE_SIZE=256M SCOPE = BOTH;   What is the result of this statement?()A The statement fails because you cannot set the memory components manually if the SGA_TARGET initialization parameter is set to a nonzero value.B The statement fails because the DB_8K_CACHE_SIZE initialization parameter is not a dynamic parameter.C The statement increases the value of the DB_8K_CACHE_SIZE initialization parameter to 256M and extracts an additional 128M of memory from the automatically sized memory components.D The statement increases the value of the DB_8K_CACHE_SIZE initialization parameter to 256M and reallocates an additional 128M memory from the memory components that are not auto-tuned.

单选题You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''; Which statement regarding the above command is correct?()AIt will create the tablespace TEMP1 in group G1.BIt will create the tablespace TEMP1 in group G3.CIt will not add the tablespace TEMP1 to any group.DIt will create the tablespace TEMP1 in the default group.

单选题The database has the data block size set to 8 KB. You need to import a tablespace with a 4 KB block size into the database. Which additional memory parameter(s) should be configured to perform a transportable tablespace import?()A DB_4K_CACHE_SIZE onlyB DB_8K_CACHE_SIZE onlyC DB_BLOCK_SIZE and DB_4K_CACHE_SIZED DB_BLOCK_SIZE and DB_8K_CACHE_SIZEE SGA_TARGET and DB_4K_CACHE_SIZEF DB_CACHE_SIZE only

单选题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?()ADB_BLOCK_SIZEBCONTROL_FILESCLARGE_POOL_SIZEDLOG_ARCHIVE_DESTELOG_ARCHIVE_FORMATFDB_CREATE_FILE_DEST

多选题Which three pieces of information are considered while deciding the size of the undo tablespace in your database?()Athe size of an undo blockBthe size of the redo log filesCundo blocks generated per secondDthe size of the database buffer cacheEthe value of the UNDO_RETENTION parameter

单选题Your database block size is 4 KB. In this database, you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace?()A The parameter DB_CACHE_SIZE must be a multiple of 8.B The value of the parameter SGA_MAX_SIZE must be increased.C The tablespace must be created with a uniform extent size of 8 KBD The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.

单选题The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed?()A The Oracle database will perform block checking for the index blocks onlyB The Oracle database will not perform block checking for any of the data blocksC The Oracle database will perform block checking for the default permanent tablespace onlyD The Oracle database will perform block checking for the data blocks in all user tablespacesE The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

单选题Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()A DROP TABLESPACE temp1;B DROP TABLESPACE temp1 INCLUDING CONTENTS;C DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;D DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;