Question 16
What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database? (Choose two.)
Question 17
Thetnsnames.orafile has anentry for the servicealiasORCL as follows:

The TNS ping commandexecutes successfullywhen tested withORCL;however, from the same OS user session, you are not able toconnect to the databaseinstance with thefollowing command:
SQL >CONNECT scott/tiger@orcl
What could be the reason for this?

The TNS ping commandexecutes successfullywhen tested withORCL;however, from the same OS user session, you are not able toconnect to the databaseinstance with thefollowing command:
SQL >CONNECT scott/tiger@orcl
What could be the reason for this?
Question 18
The tnsnames.ora file has an entry for the service alias ORCL as follows: The TNS ping command executes successfully when tested with ORCL; however, from the same OS user session, you are not able to connect to the database instance with the following command:

SQL > CONNECT scott/tiger@orcl
What could be the reason for this?

SQL > CONNECT scott/tiger@orcl
What could be the reason for this?
Question 19
Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12c when it is enabled? (Choose three.)
Question 20
You created an encrypted tablespace:

You then closed the encryption wallet because you were advised that this is secure.
Later in the day, you attempt to create the EMPLOYEEStable in the SECURESPACEtablespace with the SALToption on the EMPLOYEEcolumn.
Which is true about the result?

You then closed the encryption wallet because you were advised that this is secure.
Later in the day, you attempt to create the EMPLOYEEStable in the SECURESPACEtablespace with the SALToption on the EMPLOYEEcolumn.
Which is true about the result?