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Free Oracle 1Z0-820 Exam Practice Questions

The new Oracle 1Z0-820 exam questions cover real topics from the latest Upgrade to Oracle Solaris 11 System Administrator release. Each question helps you review dificult key areas and understand how the OPN Certified Specialist system works in real scenarios. Practice regularly with updated version of 1Z0 820 dumps, focus on weak points, prepare for your desired test effectively and pass your Oracle certification exam confidently on your first try.

Exam Code: 1Z0-820
Exam Questions: 135
Upgrade to Oracle Solaris 11 System Administrator
Updated: 12 Jan, 2026
Viewing Page : 1 - 14
Practicing : 1 - 5 of 135 Questions
Question 1

Review the output from a ZFS file system:
NAMEPROPERTYVALUESOURCE
pool1/encryptencryptionaes-256-ccmlocal pool1/encryptkeysourceraw,file///mykeylocal
You need to recreate the pooM/encrypt file system exactly as it is listed above Which two commands can you use to recreate the pooM/encrypt file system?
(Choose two.)

Options :
Answer: B,C
Question 2

A process associated with a user application keeps crashing on the user, but a core dump is not being saved in the /var/core/pprocess directory. The core dump configuration is:
global core file pattern: /var/core/core. %f.%p
global core file content: default
init core file pattern: core
init core file content: default
global core dumps: enabled
per-process core dumps: enabled
global setid core dumps disabled
per-process setid core dumps: disabled
global core dump logging: disabled
Which option would change the core dump configuration so that a user's per-process core dumps get saved in the /var/core/pprocess directory?

Options :
Answer: A
Question 3

Select the two correct descriptions of the configuration of a default installation of Oracle Solaris 11. (Choose two.)

Options :
Answer: A,B
Question 4

Which three options are valid methods of installing a Solaris 10 branded zone on a system running Oracle Solaris 11?

Options :
Answer: A,B,D
Question 5

You created a new zpool. Now you need to migrate the existing ZFS file system from pool1/prod to pool2/prod.
You have these requirements:
1. Users must have access to the data during the migration, so you cannot shutdown the file system while the migration takes place.
2. Because you want to copy the data as quickly as possible, you need to increase the server resources devoted to the ZFS migration.
Which method would you use to modify the ZFS shadow migration daemon defaults to increase the concurrency and overall speed of migration?

Options :
Answer: A
Viewing Page : 1 - 14
Practicing : 1 - 5 of 135 Questions
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