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Oracle 1Z0-078 Exam - Topic 4 Question 48 Discussion

Actual exam question for Oracle's 1Z0-078 exam
Question #: 48
Topic #: 4
[All 1Z0-078 Questions]

Which three resources are managed using global concurrency control in an Oracle 19c RAC multi-instance database? (Choose three.)

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Suggested Answer: B, D, E

by Dorcas at Nov 19, 2025, 07:25 PM

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Ammie
5 days ago
Cursors? Nah, that's not it.
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Eric
10 days ago
Mutexes aren't in the list? That's surprising!
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Arlette
28 days ago
Wait, are redo log buffers really managed? Sounds off.
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Rosamond
1 month ago
Totally agree with Martin!
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Martin
1 month ago
A, D, E are the right ones!
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Sherell
1 month ago
Wait, so mutexes aren't managed globally? That's news to me. Time to hit the books again.
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Brendan
2 months ago
Haha, I bet the exam writer was trying to trick us with that "global concurrency control" phrase. Nice one!
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Carol
2 months ago
I thought cursors were managed globally too. Guess I need to review my Oracle RAC concepts.
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Alpha
2 months ago
A, C, and E are the correct answers.
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Jacquelyne
2 months ago
I'm pretty confident that mutexes are not part of global concurrency control, but I might be mixing it up with something else I studied.
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Stephanie
2 months ago
I feel like redo log buffers could be relevant too, but I can't recall if they are specifically managed in this context.
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Alida
2 months ago
I remember practicing a similar question, and I think latches and enqueues were mentioned as important for concurrency control.
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Krissy
3 months ago
I've got a pretty good handle on global concurrency control in RAC. I'd say the database block buffers, redo log buffers, and enqueues are the three resources that fit the description here.
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Dortha
3 months ago
Okay, let me think this through. I know database blocks and redo log buffers are shared across the RAC instances, so those seem like good bets. And I think latches and enqueues are also globally managed, but I'm not 100% sure about mutexes and cursors.
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Gail
3 months ago
I think database block buffers might be one of the resources, but I'm not entirely sure about the others.
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Chau
4 months ago
I’m not sure about B. I think A, C, and D are more relevant.
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Elin
4 months ago
Hmm, I'm a little unsure about this one. I know global concurrency control is important in a RAC environment, but I'm not totally clear on which specific resources it covers.
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Rosio
4 months ago
I think the key here is to focus on the resources that are managed globally across the RAC instances. That narrows it down a bit.
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Gaynell
3 months ago
What about C? Redo log buffers seem important too.
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Nadine
3 months ago
I believe A, D, and E are the right choices.
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Nicholle
4 months ago
I agree, those resources are crucial for global concurrency.
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