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Exam 1z0-083 topic 1 question 150 discussion

Actual exam question from Oracle's 1z0-083
Question #: 150
Topic #: 1
[All 1z0-083 Questions]

Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PBD) starting from Oracle 19c? (Choose three.)

  • A. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
  • B. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
  • C. creating a new empty PDB in the local database from PDB$SEED
  • D. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database
  • E. automatically dropping the database link to the remote database if it already exists
  • F. creating a database link from CDB$ROOT in the remote database to the PDB in the local database
  • G. opening the cloned PDB
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Suggested Answer: BEG 🗳️

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RinD
Highly Voted 3 years, 2 months ago
I think BEG
upvoted 8 times
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antonica
Most Recent 3 months, 3 weeks ago
AB correct database link connects from the local CDB to either to the root of the remote CDB or to the remote source PDB. G obvius
upvoted 1 times
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piontk
9 months, 3 weeks ago
Selected Answer: ABG
Tested in lab. If the database link already exists the operation will fail with: [FATAL] [DBT-19405] Database link (database_link_name) is already exists.
upvoted 1 times
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_gio_
1 year ago
Selected Answer: BEG
BEG i think
upvoted 1 times
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vkra
1 year, 4 months ago
Selected Answer: BEG
BEG, but A should be also OK,when you read the documentation: "The database link connects from the local CDB to either to the root of the remote CDB or to the remote source PDB."
upvoted 3 times
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Kushal22
1 year, 6 months ago
F is Incorrect - from oracle doc Prerequisites for the Database Link The following prerequisites must be met: A database link must enable a connection from the destination CDB (the CDB to which the PDB is being cloned) to the PDB in the source CDB. source is remote and destination is local
upvoted 1 times
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hkshado
2 years, 10 months ago
From the following reference, we can know the answer should be AEG or BEG. Combine with other comments, I believe it is BEG. https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/cloning-a-pdb.html#GUID-13FF2CE2-532C-4816-8E88-7A5A6E16A279 About Cloning a Remote PDB When the source is a PDB is in a remote CDB, you must use a database link to clone the PDB into the local CDB. The database link must exist in the local CDB (not the remote CDB). When you issue the CREATE PLUGGABLE DATABASE statement from the root of the local CDB, you must specify a database link to the remote CDB that contains the PDB being cloned in the FROM clause. The database link connects from the local CDB to either to the root of the remote CDB or to the remote source PDB. The following figure illustrates how this technique creates a new PDB when the source PDB is remote. https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/cloning-a-pdb.html#GUID-32AE49B1-13A7-4A4D-AB43-BA781ECA99D6
upvoted 2 times
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ABAJ
3 years, 1 month ago
BEG is the right answer.
upvoted 3 times
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Rogazan
3 years, 1 month ago
E is FALSE. This is the error that occurs if the database link already exists: [FATAL] [DBT-19405] Database link (RCAT_CLON_CLONE_LINK) is already exists. If the clone process fails after create database link, you have to manually delete this database link in the local CDB$ROOT to try again.
upvoted 1 times
Rogazan
3 years, 1 month ago
... But in Oracle docs. 19c and Learnig Subscription curses, all says "Checks the presence of the database link. If the database link exists, DBCA drops it.". Then, E is true for exam (That reality does not destroy your hope...)
upvoted 3 times
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ObserverPL
3 years, 1 month ago
RinD is right, BEG
upvoted 4 times
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dunhill
3 years, 2 months ago
I think ABE https://oracle-base.com/articles/19c/multitenant-dbca-pdb-remote-clone-19c
upvoted 1 times
ssseee
3 years, 1 month ago
A and B can be both answer?
upvoted 1 times
Alvinzzz
2 years, 1 month ago
"A" can be true if cloned manually, but not by DBCA.
upvoted 1 times
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dunhill
3 years, 1 month ago
Sorry, my bad. I change my answer to EFG https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/cloning-a-pdb.html#GUID-05702CEB-A43C-452C-8081-4CA68DDA8007
upvoted 2 times
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C (25%)
B (20%)
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