Oracle Exam 1Z0-902 Topic 8 Question 42 Discussion

Actual exam question for Oracle's 1Z0-902 exam

Question #: 42
Topic #: 8

Which statement is true about the Persistent Memory Commit Accelerator?

APersistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.

BPersistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

CPersistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.

DPersistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.

EPersistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

Show Suggested Answer

Suggested Answer: B

https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/new-features-exadata-system-software-release-23.html

by Jamika at May 30, 2024, 07:46 AM

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Kiley

6 months ago

C) Interesting, copying redo log data from disk for faster redo apply on Data Guard Standby Databases. Gotta love those performance optimizations!

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Bettina

5 months ago

E) Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

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Kattie

6 months ago

B) Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

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Catherin

6 months ago

A) Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.

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Mirta

6 months ago

I agree with you, B makes sense because it mentions reducing redo log write latency.

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James

6 months ago

I think the answer is B.

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Francis

6 months ago

Haha, D) Logging information from all tiers? That's like having a crystal ball for diagnostics!

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Buck

6 months ago

E) This looks like the most comprehensive answer. Persistent Memory and RDMA? Sign me up!

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Quentin

5 months ago

I'm convinced, I would definitely choose option E for the Persistent Memory Commit Accelerator.

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Fletcher

6 months ago

I agree, that sounds like a good solution for improving performance.

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Yuette

6 months ago

I think option E is the correct one. It mentions using Persistent Memory and RDMA to reduce redo log write latency.

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Millie

6 months ago

B) Yup, that's the one! Anything that can reduce redo log write latency is a huge win in my book.

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Vincenza

5 months ago

B) Yup, that's the one! Anything that can reduce redo log write latency is a huge win in my book.

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Kristofer

5 months ago

A) Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

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Jeannine

6 months ago

B) Yup, that's the one! Anything that can reduce redo log write latency is a huge win in my book.

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Whitley

6 months ago

B) Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

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Aimee

6 months ago

A) Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

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Sage

6 months ago

A) Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

upvoted 0 times

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