Download Oracle Database 12cR2 Administration.1z0-072.PracticeTest.2019-06-19.34q.vcex

Vendor: Oracle
Exam Code: 1z0-072
Exam Name: Oracle Database 12cR2 Administration
Date: Jun 19, 2019
File Size: 25 KB
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Demo Questions

Question 1
In your database, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION; 
Which three actions can HR perform? (Choose three.)
  1. Grant the CREATE SESSION privilege without ADMIN OPTION to other users.
  2. Grant the CREATE SESSION privilege with ADMIN OPTION to other users.
  3. Execute DML statements in the HR schema.
  4. Log in to the database instance.
  5. Revoke the CREATE SESSION privilege from other users.
  6. Execute DDL statements in the HR schema.
Correct answer: BDE
Explanation:
Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9013.htm
Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9013.htm
Question 2
TBS1 is a permanent user-defined tablespace created with Oracle Managed Files (OMF). 
Examine this command:
DROP TABLESPACE tbs1; 
Which is required to ensure that TBS1 is dropped and its datafiles are deleted from their file system? 
  1. The INCLUDING CONTENTS AND DATAFILES clause must be added to the command.
  2. TBS1 must be placed in READ ONLY state.
  3. Objects in TBS1 must not be in use when the command is executed. 
  4. TBS1 must not contain any temp files.
  5. DB_CREATE_FILE_DEST must refer to an Oracle Automatic Storage Management (ASM)disk group.
Correct answer: A
Explanation:
Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9004.htm
Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9004.htm
Question 3
Which three types of files are created by expdp operations? (Choose three.)
  1. SQL files
  2. dump files
  3. reject files
  4. log files
  5. input data files
  6. bad files
  7. control files
Correct answer: ABD
Explanation:
Reference: https://docs.oracle.com/cd/B28359_01/server.111/b28319/dp_export.htm#g1022624
Reference: https://docs.oracle.com/cd/B28359_01/server.111/b28319/dp_export.htm#g1022624
Question 4
DATADIR1 and DATADIR2 are database directory objects. 
Examine this command:
[oracle@host01 ~] expdp system/oracle  
> FULL=y  
> DUMPFILE=datadir1:full%U.dmp, datadir2: full2%U.dmp 
> FILESIZE=2G  
> PARALLEL=4  
> LOGFILE= datadir1:/expfull.log
> JOB_NAME= expfull 
Which two are true about the expdp operation? (Choose two.) 
  1. It creates a dump file for the entire database.
  2. It fails if the total size of the dump file is more than 2 GB.
  3. It creates a dump file only for objects in the SYSTEM schema.
  4. It creates a master table to store details of the export operation.
  5. It starts only when four worker processes are available.
Correct answer: AE
Explanation:
Reference: https://docs.oracle.com/database/121/SUTIL/GUID-1E134053-692A-4386-BB77-153CB4A6071A.htm#SUTIL887
Reference: https://docs.oracle.com/database/121/SUTIL/GUID-1E134053-692A-4386-BB77-153CB4A6071A.htm#SUTIL887
Question 5
Examine this command:
CREATE TEMPORARY TABLESPACE temp_tbs 
    TEMPFILE ‘temp01.dbf’ SIZE 10M AUTOEXTEND ON 
    ONLINE 
SEGMENT MANAGEMENT AUTO; 
Which two changes must you make so that TEMP_TBS is created? (Choose two.)
  1. Add the EXTENT MANAGEMENT LOCAL UNIFORM clause.
  2. Add the NOLOGGING clause.
  3. Remove the SEGMENT MANAGEMENT AUTO clause.
  4. Remove the AUTOEXTEND ON clause.
  5. Remove the ONLINE clause.
  6. Add MAXSIZE for the AUTOEXTEND ON clause.
Correct answer: AF
Explanation:
Reference: https://asktom.oracle.com/pls/asktom/f?p=100:11:::::P11_QUESTION_ID:374218170986
Reference: https://asktom.oracle.com/pls/asktom/f?p=100:11:::::P11_QUESTION_ID:374218170986
Question 6
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the MMON background process? (Choose three.) 
  1. AWR snapshots must be deleted when no longer required by ADDM.
  2. ADDM can recommend shrinking the buffer cache.
  3. By default, MMON creates an AWR snapshot every 30 minutes.
  4. ADDM can recommend extending the buffer cache.
  5. By default, AWR snapshots are automatically purged after eight days.
  6. ADDM performs its analysis only whenever a DBA requests it.
Correct answer: BEF
Question 7
What three are true about Oracle Flashback technology? (Choose three.)
  1. FLASHBACK TRANSACTION can be used to undo the changes made by a committed transaction.
  2. FLASHBACK TABLE can be used to rewind a table back in time.
  3. FLASHBACK DATABASE can be used to rewind a database back and forth in time.
  4. FLASHBACK TABLE can be used to undo dropping a column from a table.
  5. FLASHBACK QUERY can be used to view committed data at any given point in time.
Correct answer: ACD
Question 8
Which two can you use to recover a dropped table? (Choose two.)
  1. FLASHBACK QUERY
  2. FLASHBACK DATABASE
  3. FLASHBACK TRANSACTION
  4. FLASHBACK TABLE TO SCN
  5. FLASHBACK DROP
Correct answer: DE
Explanation:
Reference: https://docs.oracle.com/database/121/ADMQS/GUID-1DE547D1-3AF0-4269-8BAA-4C298EC05905.htm#GUID-1DE547D1-3AF0-4269-8BAA-4C298EC05905
Reference: https://docs.oracle.com/database/121/ADMQS/GUID-1DE547D1-3AF0-4269-8BAA-4C298EC05905.htm#GUID-1DE547D1-3AF0-4269-8BAA-4C298EC05905
Question 9
orcl.dmp contains a full export of the ORCL database. 
This command is executed to load data from orcl.dmp into the TESTDB database:
[oracle@host01 ~] impdp system/oracle  
> SHEMAS=sh,oe  
> REMAP_SCHEMA=sh:hr 
> DUMPFILE=orcl.dmp  
> EXCLUDE=index  
> TABLE_EXISTS_ACTION=replace  
> LOGFILE=impdp.log 
Which two are true? (Choose two.)
  1. It skips only tables that exist in both ORCL:SH and TESTDB:HR.
  2. It drops and recreates tables that exist in both ORCL:SH and TESTDB:HR.
  3. It skips all indexes of ORCL:SH and ORCL:OE.
  4. It skips only indexes that exist in both ORCL:SH and TESTDB:HR.
  5. It drops and re-creates indexes that exist in both ORCL:SH and TESTDB:HR.
Correct answer: DE
Question 10
Your database is configured for shared server and the SGA_TARGET parameter is set to a non-zero value. 
Which three actions could help in handling a large number of concurrent users? 
  1. using Automatic SGA Memory Management (ASMM)
  2. setting the LARGE_POOL_SIZE parameter to a non-zero value
  3. increasing the size of the PGA
  4. setting the SHARED_POOL_SIZE parameter to a non-zero value
  5. increasing the number of dispatchers
Correct answer: BCD
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