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Exam 1z0-068 topic 1 question 26 discussion

Actual exam question from Oracle's 1z0-068
Question #: 26
Topic #: 1
[All 1z0-068 Questions]

You administer a six-instance, policy-managed, multitenant RAC database CDB1 with three PDBs: PDB_1, PDB_2 and PDB_3.
Server pool prod_pool has a cardinality of three and all six hosts of the cluster app.
Examine these commands executed on HOST01:
$ srvctl add service db CDB1 pdb PDB_1 service AR serverpool prod_pool cardinality singleton
$ srvctl start service db CDB1 service AR
Which two statements are true regarding the AR service?

  • A. AR runs as a singleton service in the server pool prod_pool and the AR service is available in each of the CDB1 instances.
  • B. AR is available on any one available CDB1 instance in prod_pool at any one time.
  • C. AR can fail over to any one of the available CDB1 instances.
  • D. AR is available only on the CDB1 instance on HOST01.
  • E. AR can fail over to any other available CDB1 instance in prod_pool.
Show Suggested Answer Hide Answer
Suggested Answer: CD 🗳️
by hereisash at Feb. 27, 2021, 7:34 a.m.

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avrely
6 months, 1 week ago
Selected Answer: BE
B. AR is available on any one available CDB1 instance in prod_pool at any one time. E. AR can fail over to any other available CDB1 instance in prod_pool, not any of CDB(6 hosts) instances.
upvoted 1 times
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JVarelaC
1 year, 1 month ago
A no; a singleton service runs in only one instance B no; a singleton service is available in only one instance, though it's true that the instances of CDB1 runs all in hosts in prod_pool C yes: a singleton service runs in only one instance, though it can failover to only one same database instance D no; service creation and service starting does not have to take place in the same node of command execution E yes; can fail over to any other instance of CDB1 database, and this database runs in the three hosts that belong to prod_pool
upvoted 1 times
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bestsalman
2 years, 5 months ago
sorry b and E not b and c
upvoted 1 times
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bestsalman
2 years, 5 months ago
it is B,C it is cardinality singleton mean that will be run on only one instance at a time and choose from server pool active then failover if instance fails
upvoted 1 times
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ccshyu
2 years, 10 months ago
I think is BE
upvoted 1 times
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Yoones
3 years, 3 months ago
BE is correct
upvoted 2 times
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hereisash
3 years, 11 months ago
completely wrong, BE
upvoted 4 times
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