Select the two true statements about upgrading WebLogic server to version 12c (12.12).
A.
To use the Reconfiguration Wizard, your current WebLogic server version must be 9.0 or
higher.
B.
TheDomain Upgrade Wizard is no longer available in 12.1.2.
C.
After running the wizard to update your domain ,you must reapply your start script
customizations.
D.
You need to update the domain’sadministrationserver files.
Correct answer: B, C (I think)
Answer : B
Explanation : As of WebLogic Server 12.1.2, Oracle no longer provides upgrade installers. You must install WebLogic Server 12.1.3 to a new directory location. You cannot install it over an existing installation.
Source :https://docs.oracle.com/middleware/1213/wls/WLUPG/intro.htm#WLUPG109
Answer : C
Explanation :
Re-apply Customizations to Startup Scripts
To complete the upgrade of your application environment to 12.1.2, it might be necessary to re-apply any customizations to startup scripts. The following sections describe how to customize the default startup scripts as well as any custom startup scripts.
Source : https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG549
Answer: B,C
Hard question
A: Wrong
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG461
B: Wrong
Upgrade domain exists and this is different to upgrade installers
C: Correct
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG549
D: Maybe Correct
You need change the nodemanager files
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG467
A-Wrong
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG384
B-Wrong – The Domain Upgrade Wizard still :
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG464
C-Correct
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG549
D-Correct – In order to upgrade you need update some domains file using Upgrade Wizard (like as config.xml):
https://docs.oracle.com/middleware/1212/wls/WLUPG/upgrade_dom.htm#WLUPG392
nebz is correct as per his references
B,C is correct