Managing Archived Redo Logs

Managing Archived Redo Logs - Oracle placement testMadhuri Boddeti 08-8-2014 08:29 AM

Managing Archived Redo Logs - Oracle placement test

1) Archived redo logs are used to?

A) Recover a databaseB) Update a standby databaseC) Get information about the history of a database using the LogMiner utilityD) All mentioned aboveView Answer / Hide Answer

ANSWER: D) All mentioned above

2) Which parameter is used to specify a maximum of two locations,used to specify a primary archive destination?

A) LOG_ARCHIVE_DESTB) LOG_ARCHIVE_DUPLEX_DESTC) LOG_ARCHIVE_FORMATD) None of the aboveView Answer / Hide Answer

ANSWER: A) LOG_ARCHIVE_DEST

3) In Archive Destination Status which indicates whether there was a problem accessing the destination?

A) Enabled/DisabledB) Active/InactiveC) Valid/InvalidD) All mentioned aboveView Answer / Hide Answer

ANSWER: B) Active/Inactive

4) The LOG_ARCHIVE_DEST_STATE_n initialization parameter lets you control the availability state of the specified destination (n) in which status DEFER indicates?

A) Indicates that the database can use the destinationB) Indicates that the location is temporarily disabledC) Indicates that the destination is an alternateD) All mentioned aboveView Answer / Hide Answer

ANSWER: B) Indicates that the location is temporarily disabled

5) In Specifying the Mode of Log Transmission which modes of transmitting archived logs to their destination are?

A) Normal archiving transmissionB) Standby transmissionC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: C) Both A & B

6) Which transmission involves transmitting files ta a local disk?

A) Standby transmissionB) Normal transmissionC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) Normal transmission

7) The Remote File Server process, which is required when archiving to a remote destination, is responsible for the following which tasks?

A) Consuming network I/O from the ARCn processB) Creating file names on the standby database by using theSTANDBY_ARCHIVE_DEST parameterC) Populating the log files at the remote siteD) Updating the standby database control fileE) All mentioned aboveView Answer / Hide Answer

ANSWER: E) All mentioned above

8) Which parameter uses all MANDATORY destinations plus some number of non-standby OPTIONAL destinations to determine whether LGWR can overwrite the online log?

A) LOG_ARCHIVE_DEST_nB) LOG_ARCHIVE_MIN_SUCCEED_DEST=nC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) LOG_ARCHIVE_MIN_SUCCEED_DEST=n

9) Controlling Trace Output Generated by the Archivelog Process in which trace value 64 is?

A) Track FAL (fetch archived log) server related activitiesB) Supported in a future releaseC) Tracks asynchronous LGWR activityD) Track ARCn process state activityView Answer / Hide Answer

ANSWER: D) Track ARCn process state activity

10) In Dynamic Performance view which shows if the database is in ARCHIVELOG or NOARCHIVELOG mode and if MANUAL (archiving mode) has been specified?

A) V$ARCHIVED_LOGB) V$DATABASEC) V$ARCHIVE_DESTD) V$ARCHIEVE_PROCESSESView Answer / Hide Answer

ANSWER: B) V$DATABASE

11) The SQL*Plus command ARCHIVE LOG LIST displays archiving information for the connected instance?

A) True B) FalseView Answer / Hide Answer

ANSWER: A) True

12) In the Archive Log List Command which displays below tells you all the necessary information regarding the archived redo log settings for the current instance?

SQL> ARCHIVE LOG LISTDatabase log mode Archive ModeAutomatic archival EnabledArchive destination D:\oracle\oradata\IDDB2\archiveOldest online log sequence 11160Next log sequence to archive 11163Current log sequence 11163

A) The database is currently operating in NOARCHIVELOG modeB) Automatic archiving is disabledC) The current redo log file has a sequence number of 11160D) None of the aboveView Answer / Hide Answer

ANSWER: D) None of the above

Managing Datafiles and Tempfiles - Oracle placement test

1) Which SQL Statement creates a new empty datafiles in place of an old one--useful to re-create a datafiles that was lost with no backup?

A) ALTER DATABASE...CREATE DATAFILEB) CREATE DATABASEC) ALTER TABLESPACE...ADD TEMPFILED) REATE TEMPORARY TABLESPACEView Answer / Hide Answer

ANSWER: A) ALTER DATABASE...CREATE DATAFILE

2) The value of which is the minimum size of the increments added to the file when it extends?

A) MAXSIZEB) NEXTC) BOTH A & BD) NONE OF THE ABOVEView Answer / Hide Answer

ANSWER: B) NEXT

3) Which statement we used for you can manually increase or decrease the size of a datafile?

A) ALTER DATABASEB) ALTER TABLESPACEC) CREATE DATABASED) CREATE TABLESPACEView Answer / Hide Answer

ANSWER: A) ALTER DATABASE

4) An Oracle Instance consists of Processes and Memory Structures, Processes can be subdivided as follows?

A) BackgroundB) ServerC) UserD) All mentioned aboveView Answer / Hide Answer


5) which is Used by Oracle during Table and Index creation and for sorting?

A) TablesB) IndexesC) Temporary SegmentsD) SchemasView Answer / Hide Answer

ANSWER: C) Temporary Segments

6) You executed the STARTUP MOUNT command to start your database, for which database Operation do you need to start the database in the MOUNT state?

A) Renaming the control filesB) Dropping a user in your databaseC) Enabling or disabling redo log archivingD) Dropping a tablespace in your databaseView Answer / Hide Answer

ANSWER: C) Enabling or disabling redo log archiving

7) Your test database is running in NOARCHIVELOG mode. What are the implications of this?

A) You can perform open database backupsB) You can perform closed database backupsC) You cannot perform schema-level logical backupsD) You can perform the backup of only the SYSTEM tablespace when the database is openView Answer / Hide Answer

ANSWER: B) You can perform closed database backups

8) Which two statements are true about the roles in the Oracle database?

A) A role can be granted to itselfB) Roles can be granted to other rolesC) A role can contain both system and object privilegesD) Both A & BE) Both B & CView Answer / Hide Answer

ANSWER: E) Both B & C

9) Your database is running in the ARCHIVELOG mode. You placed a tablespace, tbs_1, offline with the immediate option. Which statement is correct in this scenario?

A) The operation would fail if tbs_1 were a read-only tablespaceB) The operation would fail if tbs_1 were a read/write tablespaceC) The operation would fail if tbs_1 were the default tablespace for the databaseD) If the above operation were successful, media recovery would be required to bring the Tablespace onlineView Answer / Hide Answer

ANSWER: D) If the above operation were successful, media recovery would be required to bring the Tablespace online

10) You want to move all the objects of the APPS user in the test database to the DB_USER schema of the production database. Which option of IMPDP would you use to accomplish this task?

A) FULLB) SCHEMASC) REMAP_SCHEMAD) REMAP_DATAFILESE) REMAP_TABLESPACEView Answer / Hide Answer

ANSWER: C) REMAP_SCHEMA

11) Which view would you query at this stage to investigate this missing control file?

A) V$INSTANCEB) V$CONTROLFILEC) DBA_CONTROL_FILESD) V$DATABASE_PROPERTIESView Answer / Hide Answer

ANSWER: B) V$CONTROLFILE

12) which can you use Recovery Manager (RMAN) to perform incremental backup?

A) Data filesB) Control filesC) TablespacesD) Password fileE) A, B, C, DF) Whole databaseG) A, C, FView Answer / Hide Answer

ANSWER: G) A, C, F

13) In mapping structure which describes the link between an element and the next elements in the I/O mapping stack?

A) File MappingB) Subelements Mappingc) Elements MappingD) File System Extents MappingView Answer / Hide Answer

ANSWER: B) Subelements Mapping

14) The DBMS_STORAGE_MAP package procedure enables you to build the mapping information for the database object identified by object name, owner, and type?

A) MAP_ELEMENTB) MAP_FILEC) MAP_ALLD) MAP_OBJECTView Answer / Hide Answer

ANSWER: D) MAP_OBJECT

Oracle-Managed Files - Oracle placement test

1) logical volume manager (LVM) is a software package available with most operating systems. Sometimes it is called a logical disk manager (LDM)

A) TrueB) FalseView Answer / Hide Answer

ANSWER: A) True

2) Which initialization parameter Defines the location of the default file system directory for redo log files and control file creation when no file specification is given in the creation operation?

A) DB_CREATE_FILE_DESTB) DB_CREATE_ONLINE_LOG_DEST_nC) DB_RECOVERY_FILE_DESTD) None of the aboveView Answer / Hide Answer

ANSWER: B) DB_CREATE_ONLINE_LOG_DEST_n

3) The DB_CREATE_FILE_DEST initialization parameter in your initialization parameter file to identify the default location for the database server to create?

A) DatafilesB) TempfilesC) Redo log filesD) Control filesE) All mentioned aboveView Answer / Hide Answer


4) The DB_CREATE_ONLINE_LOG_DEST_n initialization parameter in your initialization parameter file to identify the default location for the database server to create?

A) DatafilesB) Redo log filesC) Control filesD) Both A & BE) Both B & CView Answer / Hide Answer

ANSWER: E) Both B & C

5) The default size of an Oracle-managed redo log file is?

A) 50MBB) 100MBC) 60MBD) 120MBView Answer / Hide Answer

ANSWER: B) 100MB

6) In the Oracle Database which file contain the information needed to maintain and verify database integrity, and include the names of all the Data Files and the online and archived log files?

A) Data FilesB) Control FilesC) Redo Log FilesD) Temp FilesView Answer / Hide Answer

ANSWER: B) Control Files

7) An Oracle Instance consists of Processes and Memory Structures. Memory Structures can be subdivided as?

A) SGAB) PGAC) Sort AreaD) All mentioned aboveView Answer / Hide Answer


8) You specified extent management as local for a tablespace. How will it affect space management in the tablespace?

A) All the extents will be of the same sizeB) Bitmap will be used to record free and allocated extentsC) Free extents will be managed by the data dictionary tablesD) The tablespace will be system managed and the users cannot specify the extent sizeView Answer / Hide Answer

ANSWER: B) Bitmap will be used to record free and allocated extents

9) which two database operations can be performed at the MOUNT stage of database startup?

A) Renaming of data filesB) Dropping the database userC) Configuring the database in ARCHIVELOG modeD) Both A & CE) Both B & CView Answer / Hide Answer

ANSWER: D) Both A & C

10) You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks, Give the correct order in which these tasks to be performed?

1. Shut down the database instance.2. Copy the control file to new location.3. Configure the CONTROL_FILES parameter.4. Restart the instance.

A) 3,2,1,4B) 3,1,2,4C) 3,2,1,4D) 2,3,1,4View Answer / Hide Answer

ANSWER: B) 3,1,2,4

11) Archived logs and RMAN backups are created in the flash recovery area?


ANSWER: A) True

12) The DB_RECOVERY_FILE_DEST and DB_RECOVERY_FILE_DEST_SIZE parameters in your initialization parameter file to identify the default location in which Oracle Database should create?

A) Redo log filesB) Control filesC) RMAN backupsD) Archived logsE) None of the aboveF) All mentioned aboveView Answer / Hide Answer

ANSWER: F) All mentioned above

Schema Objects - Oracle placement test

1) The CREATE SCHEMA statement is useful if you want to guarantee the creation of several tables, views, and grants in one operation it can include?

A) CREATE TABLEB) CREATE VIEWC) GRANTD) All mentioned aboveView Answer / Hide Answer


2) You analyze a schema object (table, index, or cluster) to?

A) No need to Collect and manage statistics for itB) Does not verify the validity of its storage formatC) UnIdentify migrated and chained rows of a table or clusterD) None of the aboveView Answer / Hide Answer


3) On Tuesday, a junior DBA dropped an important application user account, whose schema has important tables. You are asked to recover all the objects in the schema. On investigation, you

find that the user account was dropped at 11:00 a.m. and Sunday's backup is the most recent backup. Which flashback feature would you use?

A) Flashback DropB) Flashback TableC) Flashback DatabaseD) Flashback Version QueryE) Flashback Transaction QueryView Answer / Hide Answer

ANSWER: A) Flashback Drop

4) Which two are valid locking levels that are used by transactions in an Oracle database?

A) Row levelB) Block levelC) Object levelD) Schema levelE) Both A & DF) Both A & CView Answer / Hide Answer

ANSWER: F) Both A & C

5) Which DBA System Privilege used for the operations authorized for drops a table in any schema?

A) CREATE USERB) DROP USERC) BACKUP ANY TABLED) DROP ANY TABLEView Answer / Hide Answer

ANSWER: D) DROP ANY TABLE

6) Which User System Privilege used for this operation authorized to connect to the database?

A) CREATE TABLEB) CREATE VIEWC) CREATE SESSIOND) CREATE SEQUENCE

View Answer / Hide Answer

ANSWER: C) CREATE SESSION

7) You can delete all rows of a table or all rows in a group of clustered tables so that the table (or cluster) still exists, but is completely empty?

A) Use the DELETE statementB) Use the DROP and CREATE statementsC) Use the TRUNCATE statementD) All mentioned aboveView Answer / Hide Answer


8) A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled.

What are the two effects of this command?

A) It fails if any existing row violates the constraintB) It does not validate the existing data in the tableC) It prevents insert, update, and delete operations on the table while the constraint is in the process of being enabled.D) Both A & CE) Both A & BView Answer / Hide Answer

ANSWER: D) Both A & C

9) You cannot issue a SET CONSTRAINT statement inside a trigger?


ANSWER: A) True

10) You can use RENAME for a stored PL/SQL program unit, public synonym, or cluster. To rename such an object, you no need to drop and re-create it?


ANSWER: B) False

11) In Schema Objects Data Dictionary Views which view List the name, type, and owner (USER view does not display owner) for all tables, views, synonyms, and sequences in the database?

A) DBA_OBJECTS, ALL_OBJECTS, USER_OBJECTSB) DBA_DEPENDENCIES, ALL_DEPENDENCIES, USER_DEPENDENCIESC) DBA_CATALOG, ALL_CATALOG, USER_CATALOGD) None of the aboveView Answer / Hide Answer

ANSWER: C) DBA_CATALOG, ALL_CATALOG, USER_CATALOG

12) The following query lists all of the base objects for the synonyms created by user jward this example is used for displaying?

SELECT TABLE_OWNER, TABLE_NAME, SYNONYM_NAMEFROM DBA_SYNONYMSWHERE OWNER = 'JWARD';The following is the query output:TABLE_OWNER----TABLE_NAME----SYNONYM_NAME---------------------- ----------- -----------------SACHIN---------DEPT----------DEPTSACHIN---------EMP-----------EMP

A) Displaying Schema Objects by TypeB) Displaying Dependencies of Views and SynonymsC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) Displaying Dependencies of Views and Synonyms

13) Efficient Use of Integrity Constraints: A Procedure Using integrity constraint states in the following order can ensure the best benefits?

1. Disable state.2. Perform the operation (load, export, import).3. Enable novalidate state.4. Enable state.

A) 1,2,3,4B) 2,1,3,4C) 4,2,1,3D) 1,3,2,4View Answer / Hide Answer

ANSWER: A) 1,2,3,4

15) Deferrable unique and primary keys must use nonunique indexes?


ANSWER: A) True

16) To rename an object, it must be in your schema. You can rename schema objects in either of the following ways?

A) Drop and re-create the objectB) Rename the object using the RENAME statementC) Create the objectD) Both A & BView Answer / Hide Answer

ANSWER: D) Both A & BManaging Tables - Oracle placement test

1) Which type of table is a group of tables that share the same data blocks because they share common columns and are often used together?

A) Ordinary tableB) Partitioned tableC) Clustered tableD) Index-organized tableView Answer / Hide Answer

ANSWER: C) Clustered table

2) The NOLOGGING clause causes minimal redo information to be generated during the table creation this has which of the benefits?

A) Space is not saved in the redo log filesB) The time it takes to create the table is increasedC) Performance does not improves for parallel creation of large tablesD) None of the aboveView Answer / Hide Answer


3) Which method enables you to add rows to a table, either by specifying the column values or by specifying a subquery that selects data from another existing table?

A) INSERT statementB) MERGE statementC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: A) INSERT statement

4) In the error Logging Table format which set of columns that contain data from the row that caused the error. The column names match the column names from the table being inserted into (the

"DML table")?

A) Optional setB) Mandatory setC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: A) Optional set

5) Error Logging Restrictions and Caveats Oracle Database logs which of the following errors during DML operations?

A) Column values those are too largeB) Constraint violations (NOT NULL, unique, referential, and check constraints)C) Errors raised during trigger executionD) Partition mapping errorsE) All mentioned aboveView Answer / Hide Answer


6) In which INSERT operation the database reuses free space in the table, interleaving newly inserted data with existing data. During such operations, the database also maintains referential

integrity constraints?

A) Direct-path INSERTB) Conventional InsertC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) Conventional Insert

7) In which mode Oracle Database performs full redo logging for instance and media recovery. If the database is in ARCHIVELOG mode, then you can archive redo logs to tape. If the database is

in NOARCHIVELOG mode, then you can recover instance crashes but not disk failures?

A) Direct-path INSERT without LoggingB) Direct-Path INSERT with LoggingC) Both A & BD) Nome of the aboveView Answer / Hide Answer

ANSWER: B) Direct-Path INSERT with Logging

8) Oracle Database provides a mechanism to make table structure modifications with significantly affecting the availability of the table. The mechanism is called online table redefinition?


ANSWER: B) False

9) If START_REDEF_TABLE fails for any reason, you must call ABORT_REDEF_TABLE, otherwise subsequent attempts to redefine the table will fail?


ANSWER: A) True

10) In which tables Tables schema cannot be redefined online?

A) SYSB) SYSTEMC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: C) Both A & B

11) In Viewing and querying Objects in the recycle bin which view gives administrators visibility to all dropped objects in the recycle bin?

A) USER_RECYCLEBINB) DBA_RECYCLEBINc) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) DBA_RECYCLEBIN

12) For external tables which privileges are required for directory objects containing bad, log, or discard files?

A) READB) WRITEC) READ & WRITED) None of the aboveView Answer / Hide Answer

ANSWER: B) WRITE

13) All data in a database is stored in a table to include user data and the Data Dictionary?


ANSWER: A) True

14) A Synonym is another name for an object. It is used to simplify access to objects such as tables owned by another user or to shorten lengthy object name?


ANSWER: A) TrueManaging Partitioned Tables and Indexes - Oracle placement testMadhuri Boddeti 08-11-2014 07:29 AM

Managing Partitioned Tables and Indexes - Oracle placement test

1) While designing the database for one of your online transaction processing (OLTP) applications, you want to achieve the following:

a) High availability of datab) Faster primary key access to the table datac) Compact storage for the table

Which type of tables would you use to achieve these objectives?

A) Heap tablesB) Object tablesC) Partitioned tablesD) Index-organized tables (IOTs)View Answer / Hide Answer

ANSWER: C) Partitioned tables

2) In which all data in a database is stored in a table to include user data and the Data Dictionary?

A) TablesB) Temporary SegmentsC) SchemasD) SegmentsView Answer / Hide Answer

ANSWER: A) Tables

3) To create which partitions you specify the following?

1) Partition description identifying partition bounds.A) Range PartitionB) Hash PartitionC) List PartitionD) Range-Hash PartitionView Answer / Hide Answer

ANSWER: A) Range Partition

4) In which partition this form of composite partitioning is well suited for historical data, but lets you further group the rows of data based on unordered or unrelated column values?

A) Range-Hash PartitionB) Range-List PartitionC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) Range-List Partition

5) The rules for creating range-partitioned global indexes are similar to those for creating range-partitioned tables?


ANSWER: A) True

6) How many partitioning keys columns are specified for range-and-hash-partitioning tables?

A) 18B) 14C) 16D) 17View Answer / Hide Answer

ANSWER: C) 16

7)You can compress some or all partitions of a B-tree index using key compression. Key compression is applicable only to B-tree indexes?


ANSWER: A) True

8) Which partitioning methods we can use for index-organized tables?

A) RangeB) ListC) HashD) All mentioned aboveE) None of the aboveView Answer / Hide Answer


9) In the following example the index-organized table, sales, is partitioned by which method?CREATE TABLE sales(acct_no NUMBER(5),acct_name CHAR(30),amount_of_sale NUMBER(6),week_no INTEGER,sale_details VARCHAR2(1000),PRIMARY KEY (acct_no, acct_name, week_no))ORGANIZATION INDEXINCLUDING week_noOVERFLOWPARTITION BY HASH (week_no)PARTITIONS 16STORE IN (ts1, ts2, ts3, ts4)OVERFLOW STORE IN (ts3, ts6, ts9);

A) ListB) HashC) RangeD) None of the aboveView Answer / Hide Answer

ANSWER: B) Hash

10) In ALTER TABLE Maintenance Operations for Table Partitions which maintenance operation partition is used by range,hash,list,composite (range/hash),composite(range/list) from the

following?

A) Coalescing PartitionsB) Dropping PartitionsC) Adding partitionsD) Both A & BView Answer / Hide Answer

ANSWER: C) Adding partitions

11) Which of the following operations support the UPDATE INDEXES clause?

A)The following operations support the UPDATE INDEXES clause:

A) ADD PARTITION | SUBPARTITION, MERGE PARTITION | SUBPARTITIONB) COALESCE PARTITION | SUBPARTITION, MOVE PARTITION | SUBPARTITIONC) DROP PARTITION | SUBPARTITION, SPLIT PARTITION | SUBPARTITIOND) EXCHANGE PARTITION | SUBPARTITION, TRUNCATE PARTITION | SUBPARTITIONE) All mentioned aboveView Answer / Hide Answer


12) Indexes may be marked UNUSABLE for which table type the index behavior for adding partition is?

1) For local indexes, the behavior is the same as for heap tables.2) All global indexes remain usable.

A) Regular (Heap)B) Index-organizedC) Both A & BD) None of the aboveView Answer / Hide Answer

ANSWER: B) Index-organized

13) You cannot drop the only partition in a table. Instead, you must drop the table?


ANSWER: A) True

14) While Using the MOVE PARTITION clause of the ALTER TABLE statement to?

A) Re-cluster data and reduce fragmentationB) Move a partition to another tablespaceC) Modify create-time attributesD) Store the data in compressed format using table compressionE) All mentioned aboveView Answer / Hide Answer


Managing Archived Redo Logs

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