Oracle 1z0-062 Exam Questions & Mock Exams, Oracle Database 12c Administration | SPOTO

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Question #1

You plan to implement the distributed database system in your company. You invoke Database Configuration Assistant (DBCA) to create a database on the server. During the installation, DBCA prompts you to specify the Global Database Name. What must this name be made up of?

A. It must be made up of a database name and a domain name

B. It must be made up of the value in ORACLE_SID and HOSTNAME

C. It must be made up of the value that you plan to assign for INSTANCE_NAME and HOSTNAME

D. It must be made up of the value that you plan to assign for ORACLE_SID and SERVICE_NAMES

View answer

Correct Answer: AEG

Question #2

You create a table with the PERIODFOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table? (Choose three.)

A. The valid time columns employee_time_start and employee_time_end are automatically created

B. The same statement may filter on both transaction time and valid temporal time by using the AS OF TIMESTAMP and PERIODFOR clauses

C. The valid time columns are not populated by the Oracle Server automatically

D. The valid time columns are visible by default when the table is described

E. Setting the session valid time using DBMS_FLASHBACK_ARCHIVE

View answer

Correct Answer: B

Question #3

You want to prevent a group of users in your database from performing long-running transactions that consume huge amounts of space in the undo tablespace. If the quota for these users is exceeded during execution of a data manipulation language (DML) statement, the operation should abort and return an error. However, queries should still be allowed, even if users have exceeded the undo space limitation. How would you achieve this?

A. Specify the maximum amount of quota a user can be allocated in the undo tablespace

B. Decrease the number of Interested Transaction List (ITL) slots for the segments on which these users perform transactions

C. Implement a profile for these users

D. Implement a Database Resource Manager pla

View answer

Correct Answer: CDE

Question #4

The persistent configuration settings for RMAN have default for all parameters. Identify four RMAN commands that produce a multi-section backup.

A. BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

B. BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

C. BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

D. BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;

E. BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION SIZE 100M;

F. BACKUP SPFILE SECTION SIZE 1M; G

View answer

Correct Answer: AE

Question #5

Which three functions can be performed by the SQL Tuning Advisor? (Choose three.)

A. recommending creation of indexes based on SQL workload

B. recommending restructuring of SQL statements that have suboptimal plans

C. checking schema objects for missing and state statistics

D. recommending optimization of materialized views

E. generating SQL profiles

View answer

Correct Answer: BCF

Question #6

You are about to plug a multi-terabyte non-CDB into an existing multitenant container database (CDB) as a pluggable database (PDB). The characteristics of the non-CDB are as follows: – Version: Oracle Database 12c Releases 1 64-bit – Character set: WE8ISO8859P15 – National character set: AL16UTF16 – O/S: Oracle Linux6 64-bit The characteristics of the CDB are as follows: – Version: Oracle Database 12c Release 1 64-bit – Character set: AL32UTF8 – O/S: Oracle Linux 6 64-bit Which technique should you use to m

A. Transportable database

B. Transportable tablespace

C. Data Pump full export / import

D. The DBMS_PDB package

E. RMAN

View answer

Correct Answer: E

Question #7

In your production database, data manipulation language (DML) operations are executed on the SALES table. You have noticed some dubious values in the SALES table during the last few days. You are able to track users, actions taken, and the time of the action for this particular period but the changes in data are not tracked. You decide to keep track of both the old data and new data in the table long with the user information. What action would you take to achieve this task?

A. Apply fine-grained auditing

B. Implement value-based auditing

C. Impose standard database auditing to audit object privileges

D. Impose standard database auditing to audit SQL statement

View answer

Correct Answer: AD

Question #8

You want to create a database and you have the following: - Oracle Grid Infrastructure is installed and configured. - Oracle Database Vault is installed in ORACLE_HOME to be used for this database. - Oracle Enterprise Manager Cloud Control is available and an agent is deployed on the database server. Examine the requirements: 1. configuring the database instance to support shared server mode 2. using Automatic Storage Management (ASM) for storing database files. 3. configuring a naming method to help a remo

A. 1, 2, 4, 5, 7, 8, 9 and 10

B. 1, 2, 4, 5, 6 and 7

C. 1, 2, 3, 8, 9 and 10

D. 1, 2, 3, 4, 6, 8, 9 and 10

E. 1, 2, 4, 5, 6, 7 and 8

View answer

Correct Answer: B

Question #9

Automatic Shared Memory Management is enabled for your database instance. You notice that there are SQL statements performing poorly because of repeated parsing activity. Which action generates recommendations to overcome the performance issues?

A. running the Memory Advisor for the buffer cache

B. running the Memory Advisor for the library cache

C. running the Memory Advisor for the SGA

D. running the Memory Advisor for the PGA

View answer

Correct Answer: C

Question #10

Which three statements are true about the working of system privileges in a multitenant control database (CDB) that has pluggable databases (PDBs)? (Choose three.)

A. System privileges apply only to the PDB in which they are used

B. Local users cannot use local system privileges on the schema of a common user

C. The granter of system privileges must possess the set container privilege

D. Common users connected to a PDB can exercise privileges across other PDBs

E. System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users

View answer

Correct Answer: AC

Question #11

Which three statements are true about Enterprise Manager Database Express? (Choose three.)

A. It can be used to perform database backup operations

B. It can use the HTTP protocol

C. The same port number is used for multiple Database Express configurations on the same host

D. It can use the HTTPS protocol

E. It is available only when the database is ope

View answer

Correct Answer: CD

Question #12

Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback? (Choose three.)

A. The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics

B. The optimizer can CK optimize a query only once using cardinality feedback

C. The optimizer enables monitoring for cardinality feedback after the first execution of a query

D. The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled

E. After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer

View answer

Correct Answer: BCD

Question #13

You have the following entry in the tnsnames.ors of your hq.us.example.com host machine: You issue the following command at the command prompt: Sqlplus HR/HR@ORCL Which statement is true about the connection to the ORCL database instance?

A. The connection succeeds, provided the NAMES

B. The connection fails because the net service name does not have the suffix us

C. The connection succeeds, provided the SERVICE_NAMES initialization parameter is set to ORCL

D. The connection succeeds, provided the ORCL

View answer

Correct Answer: D

Question #14

Which three statements are true about the Pre-Upgrade Information Tool? (Choose three.)

A. It generates a script to recompile invalid objects post-upgrade

B. The preupgrade_fixups

C. A log file, preupgrade

D. It checks for required tablespaces and if they are not available, creates them automatically

E. The preupgrade_fixups

F. The postupgrade_fixups

View answer

Correct Answer: D

Question #15

Identify three benefits of Unified Auditing.

A. Decreased use of storage to store audit trail rows in the database

B. It improves overall auditing performance

C. It guarantees zero-loss auditing

D. The audit trail cannot be easily modified because it is read-only

E. It automatically audits Recovery Manager (RMAN) events

View answer

Correct Answer: ACD

Question #16

Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12c when it is enabled? (Choose three.)

A. Reduced logical I/O

B. Reduced virtual memory utilization

C. Improved parallel Execution performance

D. Improved Serial Execution performance

E. Reduced physical I/O

F. Reduced CPU utilization

View answer

Correct Answer: AD

Question #17

Which two statements are true when row archival management is enabled? (Choose two.)

A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter

B. The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active

C. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only

D. The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query

E. The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active

View answer

Correct Answer: C

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Oracle 1z0-062 Exam Questions & Mock Exams, Oracle Database 12c Administration | SPOTO

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