Oracle Oracle Certifications 1Z0-062 Questions & Answers

• Question 151:

  Examine the following command: SQL> DBMS_STATS. SET_TABLE_PREFS ('SH', 'CUSTOMERS', 'PUBLISH', 'false');

  What is the effect of executing this command?

  A. Existing statistics for the CUSTOMERS table become unusable for the query optimizer.

  B. Automatic statistics collection is stopped for the CUSTOMERS table.

  C. Statistics for the CUSTOMERS table are locked and cannot be overwritten.

  D. Statistics subsequently gathered on the CUSTOMERS table are stored as pending statistics.

  Correct Answer: D

• Question 152:

  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.

  Correct Answer: BCFG

  References: https://docs.oracle.com/cd/B19306_01/server.102/b14231/schedover.htm

• Question 153:

  Which three statements are true about checkpointing? (Choose three.)

  A. It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.

  B. It ensures that all dirty buffers are written to data files during consistent shutdown.

  C. It reduces the time required for recovery in case of an instance failure.

  D. Frequent thread checkpoints can degrade database performance.

  E. It prompts the Database Writer (DBWn) process to write checkpoint information into data file headers and the control file.

  Correct Answer: BCD

• Question 154:

  Your database instance has Automatic Memory Management enabled and supports shared server connections.

  Examine the following:

  1.

  Parallel execution messages and control structures

  2.

  Local variables for a process

  3.

  Security and resource usage information

  4.

  Runtime memory values, such as rows retrieved for a SQL statement using a serial execution plan

  5.

  SQL execution work areas

  Which option indicates what is allocated from the large pool in this instance?

  A. only 1

  B. 1, 2, and 5

  C. 1, 2, 3, and 5

  D. 1, 2, and 4

  Correct Answer: D

• Question 155:

  You install Oracle Grid Infrastructure for a standalone server.

  Which two components are automatically included in the Oracle Restart configuration? (Choose two.)

  A. A pre-existing Oracle Net Listener

  B. Oracle Notification services

  C. A pre-existing database

  D. A pre-existing Oracle management agent

  E. Oracle CSSD service

  Correct Answer: BE

  References: https://docs.oracle.com/database/121/LADBI/oraclerestart.htm#LADBI999

• Question 156:

  Which two statements are true about the Database Configuration Assistant (DBCA)? (Choose two.)

  A. It can be used to create a database template from an existing database.

  B. It can be used to add a new tablespace.

  C. It can generate SQL database creation scripts.

  D. It can be used to copy an existing Oracle database to a new host and apply any patches necessary in the new host.

  E. It can configure Automatic Storage Management (ASM) diskgroups.

  Correct Answer: AC

  References: https://docs.oracle.com/cd/E17559_01/em.111/e16599/ appdx_creating_db_templates.htm#CJACEDCD

• Question 157:

  You are managing an Oracle Database 12c database. The database is open, and you plan to perform Recovery Manager (RMAN) backups.

  Which three statements are true about these backups? (Choose three.)

  A. The backups would be consistent.

  B. The backups would be possible only if the database is running in ARCHIVELOG mode.

  C. The backups need to be restored and the database has to be recovered in case of a media failure.

  D. The backups would be inconsistent.

  E. The backups by default consist of all the data blocks within the chosen files or the full database.

  Correct Answer: BCD

  References: https://docs.oracle.com/cd/E18283_01/server.112/e10897/backrest.htm#insertedID4

• Question 158:

  Which three tools or tasks are run by default as part automated maintenance tasks? (Choose three.)

  A. Automatic Database Diagnostic Monitor

  B. optimizer statistics gathering

  C. SQL Access Advisor

  D. Segment Advisor

  E. Automatic SQL Tuning Advisor

  Correct Answer: BDE

• Question 159:

  You plan to upgrade your Oracle Database 9i to Oracle Database 12c.

  Which two methods can you use? (Choose two.)

  A. Perform a rolling upgrade.

  B. Perform a direct upgrade by running the Database Upgrade Assistant (DBUA).

  C. Perform a direct upgrade by manually running the catctl.pl and catupgrd.sql scripts before issuing the STARTUPUPGRADE command.

  D. Install the Oracle Database 12c software, create a new Oracle 12c database, and then use the Oracle Data Pump to import data from the source Oracle 9i database to the target Oracle 12c database.

  E. Upgrade your current database to Oracle Database release 10.2.0.5, and then upgrade to Oracle Database 12c.

  Correct Answer: CD

• Question 160:

  SMD is a smallfile locally managed tablespace with manual segment space management.

  The SH user receives the following error while inserting data into the sales table: Which three actions can be taken to enable the user to insert data? (Choose three.)

  

  A. altering the data file associated with the SMD tablespace to grow automatically

  B. adding a data file to the SMD tablespace, provided the tablespace has not reached its maximum number of files

  C. changing segment space management for the SMD tablespace to automatic

  D. resizing the data file associated with the SMD tablespace to make it larger, provided all data files have not yet reached their maximum size

  E. increasing the space quota on the SMD tablespace for the SH user, provided the files have not yet reached their maximum size

  Correct Answer: ABD