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Oracle 1z0-062 Exam Questions

Oracle 1z0-062 Exam Questions Answers

Oracle Database 12c: Installation and Administration

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Oracle 1z0-062 Sample Questions – Free Practice Test & Real Exam Prep

Question #1

You want execution of large database operations to suspend, and then resume, in the event of space allocation failures. You set the value of the initialization parameter RESUMABLE_TIMEOUT to 3600. Which two statements are true? (Choose two.)

  • A. Before a statement executes in resumable mode, the ALTER SESSION ENABLE RESUMABLE statement must be issued in its session.
  • B. Data Manipulation Language (DML) operations are resumable, provided that they are not embedded in a PL/SQL block
  • C. A resumable statement can be suspended and resumed only once during execution.
  • D. A suspended statement will report an error if no corrective action has taken place during a timeout period.
Answer: A,D 
Question #2

Examine the details of the uncompressed, non-partitioned heap table CITIES. Examine the command: SQL> ALTER TABLE cities SHRINK SPACE COMPACT; What must you do before executing it? 

  • A. Ensure free space that is approximately equal to the space used by the table should be available.
  • B. Ensure there are no pending transactions on the table. 
  • C. Enable row movement is enabled. 
Answer: C 
Question #3

Your database is configured for ARCHIVELOG mode, and a daily full database backup is taken. RMAN is configured to perform control file autobackup. In which three scenarios do you need media recovery? (Choose three.) 

  • A. loss of all the copies of the control file 
  • B. loss of all the inactive online redo log group members 
  • C. loss of a data file that belongs to the active undo tablespace 
  • D. loss of data files that belong to the SYSTEM tablespace 
Answer: A,C,D 
Question #4

What must you use to read data from a table in your database and write it to an external table?

  • A. Use SQL* LOADER conventional path load. 
  • B. Use SQL* LOADER direct path load. 
  • C. Use CREATE TABLE. . ORGANIZATION EXTERNAL command with ORACLE_LOADER access driver.
  • D. Use CREATE TABLE. . ORGANIZATION EXTERNAL command with ORACLE_DATAPUMP access driver
Answer: D 
Question #5

Which two statements are true about SQL *Loader Express Mode in an Oracle 12c database? (Choose two.)

  • A. The DEGREE_OF_PARALLELISM parameter is set to AUTO.
  •  B. You cannot have multiple SQL *Loader data files.
  •  C. If no data file is specified, it assumes the data file to be <table-name>.dat in the current directory and uses it.
  •  D. You can have multiple bad files created when loading in parallel.
  •  E. You can selectively load rows into a table based on a filter.
Question #6

Which four statements are true about the components of the Oracle Scheduler? (Choose four.)

  • A. A schedule can be specified to a single job only. 
  • B. A scheduler job can point to a chain instead of pointing to a single program object. 
  • C. A job may get started automatically when a window opens. 
  • D. A program and job can be specified as part of a schedule definition. 
  • E. A job is specified as part of a program specification. 
  • F. A program can be used in the definition of multiple jobs. 
  • G. A program and schedule can be specified as part of a job definition. 
Answer: B,C,F,G 
Question #7

Examine the command:   SQL> CONNECT hr/hr@orcl   Which two configurations allow this command to execute successfully? (Choose two.)

  • A. In the tnsnames.ora file, the SERVICE_NAME value of CONNECT_DATA should be explicitly suffixed with the domain name.
  •  B. The SERVICE_NAMES initialization parameter should contain the name orcl in the database host.
  •  C. The orcl TNS alias should be defined such that it is resolvable by a client running on the database host.
  •  D. The orcl TNS alias should be defined in the tnsnames.ora file on both the client and the database host.
  •  E. The TNS_ADMIN environment variable should be set to orcl on the client. 
Answer: B,C
Question #8

When is the UNDO_RETENTION parameter value ignored by a transaction?

  • A. when there are multiple undo tablespaces available in a database 
  • B. when the data file of the undo tablespace is autoextensible 
  • C. when the undo tablespace is of a fixed size and retention guarantee is not enabled 
Answer: C
Explanation:
References: https://docs.oracle.com/cd/B19306_01/server.102/b14231/undo.htm (undo retention)
Question #9

To enable faster incremental backups, you enabled block change tracking for the database. Which two statements are true about the block change tracking file? (Choose two.)

  • A. Multiple change tracking files can be created for a database. 
  • B. The change tracking file must be created after the first level 0 backup. 
  • C. RMAN does not support backup and recovery of the change tracking file. 
  • D. The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations. 
Answer: C,D 
Question #10

Which set of statements is true about data dictionary views?   1. They are stored in the SYSTEM tablespace.  2. They are based on virtual tables.  3. They are owned by the SYS user.  4. They can be queried by a normal user only if the 07_DICTIONARY_ACCESSIBILITY parameter is set to TRUE.  5. The V$FIXED_TABLE view can be queried to list the names of these views.  6. They are owned by the SYSTEM user.

  • A. 2, 5, and 6
  • B. 1, 2, and 3
  • C. 1 and 3
  • D. 2, 3, 4, and 5
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