An administrator in your organization says you do not need to back up the domain files on a machine which only managed servers run. Select the best explanation for this statement.
A.
This is true because the domain files can be re-created with the pack and unpack utilities.
B.
This is true (with an exception) because the domain files can be re-created with the pack and unpack utilities. The exception is if your security realm uses the embedded LDAP system. Which is not included in the JAR file created by the pack utility.
C.
This is true (with an exception) because the domain files can be re-created with the pack and unpack utilities. The exception is for applications that are deployed to the managed server. Those files are not included in the JAR file created by the pack utility. If you back those up manually, then pack and unpack can be used.
D.
This is not true. You need to back up the domain files on a machine on which only managed servers run by using operating system commands (such as tar or zip).
Penjelasan:
Utilitas pack dan unpack di WebLogic Server digunakan untuk membuat template domain dan mengembalikannya di lingkungan lain. File domain (seperti konfigurasi, skrip, dll.) dapat direkonstruksi dengan alat ini.
Namun, data LDAP tertanam (embedded LDAP) yang digunakan untuk menyimpan informasi keamanan (seperti pengguna, grup, kebijakan) tidak disertakan dalam file JAR hasil pack. Jika domain menggunakan LDAP tertanam, data ini harus dicadangkan secara terpisah.
Opsi lain seperti aplikasi yang di-deploy (opsi C) tidak relevan karena file aplikasi biasanya disimpan di luar direktori domain dan tidak tergantung pada pack/unpack. Opsi D salah karena pack/unpack sudah cukup untuk file domain.
I think B, because the security data is stored in the LDAP server and is not included in the template.
https://docs.oracle.com/middleware/1213/wls/WLDPU/commands.htm#WLDPU172
I think Answer is A
Source: A Comprehensive Certification Guide by Gustavo Garnica
There are important differences between backing up managed servers and backing
up the administration server. As explained in previous chapters, managed servers
maintain copies of certain information that are centrally kept in the administration
server, such as the main domain configuration repository3 and the contents of the
embedded LDAP.
Upon starting, managed servers will contact the administration server
to obtain a fresh copy of those artifacts. Therefore, it is sufficient to back up managed
servers by exporting their configuration using the pack command with the managed
option
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