Download Oracle Database 12c: Installation and Administration.1z0-062.PracticeTest.2019-04-15.217q.tqb

Vendor: Oracle
Exam Code: 1z0-062
Exam Name: Oracle Database 12c: Installation and Administration
Date: Apr 15, 2019
File Size: 3 MB
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Demo Questions

Question 1
As a user of the ORCL database, you establish a database link to the remote HQ database such that all users in the ORCL database may access tables only from the SCOTT schema in the HQ database. SCOTT’s password is TIGER. The service mane “HQ” is used to connect to the remote HQ database. 
Which command would you execute to create the database link?
  1. CREATE DATABASE LINK HQ USING 'HQ';
  2. CREATE DATABASE LINK HQ CONNECT TO CURRENT_USER USING ‘HQ’;
  3. CREATE PUBLIC DATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING 'HQ';
  4. CREATE DATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING 'HQ';
Correct answer: C
Question 2
What happens if a maintenance window closes before a job that collects optimizer statistics completes?
  1. The job is terminated and the gathered statistics are not saved.
  2. The job is terminated but the gathered statistics are not published.
  3. The job continues to run until all statistics are gathered.
  4. The job is terminated and statistics for the remaining objects are collected the next time the maintenance window opens.
Correct answer: D
Explanation:
The stop_on_window_close attribute controls whether the GATHER_STATS_JOB continues when the maintenance window closes. The default setting for the stop_on_window_close attribute is TRUE, causing Scheduler to terminate GATHER_STATS_JOB when the maintenance window closes. The remaining objects are then processed in the next maintenance window. References: https://docs.oracle.com/cd/B19306_01/server.102/b14211/stats.htm#g49431
The stop_on_window_close attribute controls whether the GATHER_STATS_JOB continues when the maintenance window closes. The default setting for the stop_on_window_close attribute is TRUE, causing Scheduler to terminate GATHER_STATS_JOB when the maintenance window closes. The remaining objects are then processed in the next maintenance window. 
References: https://docs.oracle.com/cd/B19306_01/server.102/b14211/stats.htm#g49431
Question 3
You plan to create a database by using the Database Configuration Assistant (DBCA), with the following specifications:
  • Applications will connect to the database via a middle tier. 
  • The number of concurrent user connections will be high. 
  • The database will have mixed workload, with the execution of complex BI queries scheduled at night. 
Which DBCA option must you choose to create the database?
  1. a General Purpose database template with default memory allocation
  2. a Data Warehouse database template, with the dedicated server mode option and AMM enabled
  3. a General Purpose database template, with the shared server mode option and Automatic Memory Management (AMM) enabled
  4. a default database configuration
Correct answer: C
Explanation:
References:
References:
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