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Exam 1z0-1072-20 topic 1 question 20 discussion

Actual exam question from Oracle's 1z0-1072-20

Question #: 20
Topic #: 1

You have an AI/ML application running on Oracle Cloud Infrastructure. You identified that the application needs GPU and at least 20Gbps Network throughput.
The application is currently using a VM.Standard2.1 compute without any block storage attached to it.
Which two options allow you to get your required performance for your application? (Choose two.)

A. Terminate the compute instance preserving the boot volume. Create a new compute instance using the BM.GPU2.2 shape using the boot volume preserved, but no block volume attached.
B. Terminate the compute instance preserving the boot volume. Create a new compute instance using the VM.Standard2.2 shape using the boot volume preserved, but no block volume attached.
C. Terminate the compute instance preserving the boot volume. Create a new compute instance using the VM.GPU3.4 shape using the boot volume preserved and use the NVMe devices to host your application.
D. Terminate the compute instance preserving the boot volume. Create a new compute instance using the BM.HPC2.36 shape using the boot volume preserved and use the NVMe devices to host your application.
E. Terminate the compute instance preserving the boot volume. Create a new compute instance using the BM.GPU2.2 shape using the boot volume preserved and attach a new block volume to host your application.

Show Suggested Answer

Suggested Answer: DE 🗳️

by alfonso_223 at Dec. 9, 2020, 11:55 a.m.

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alfonso_223

Highly Voted 4 years, 7 months ago

I would go with A and E. All GPU shapes provide at least 25gbs network throughput. The original instance is bandwidth limited, no mention of disk write speed. So I would go without block storage or with block storage since it's the cheaper option.

upvoted 12 times

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SlawekSz

Highly Voted 4 years, 6 months ago

A, E because B,D has no GPU, C has no NVMe.

upvoted 6 times

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Joe_Qu

Most Recent 3 years, 1 month ago

Answer is DE. https://docs.oracle.com/en-us/iaas/Content/Compute/References/computeshapes.htm Shape models whose names that with BM use NVMe disks

upvoted 1 times

Joe_Qu

3 years, 1 month ago

BM.HPC2.36 is not GPU so option D is not a valid answer. Option B model is VM.Standard2.2 and is not GPU either. A may not solve the disk problem in "...but no block volume attached." C is false because VM.GPU3.4 has block storage, no NVMe. E is correct since its GPU and adds a block volume. So answer is E & A

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bferdan

3 years, 4 months ago

Selected Answer: AE

A&E provide at least high throughput.

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4 years, 2 months ago

D&E: you need the 20Gbps and thus: BM. Next to that, you would need a lot of GPU power, thus next to the BM with GPU, you also have the High Performance Computing, which has quite some GPU power ;)

upvoted 1 times

Rowe81

4 years, 2 months ago

One addition why E: Block volume - thus nvme...

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FPM

4 years, 5 months ago

Answer is A & E: the only shapes that have GPU are the ones with GPU in their names C is not because the only shapes with NVMe are the 'Dense' ones in their name, plus BM.GPU4.8 and BM.HPC2.36 (but no GPU) --> So the only GPU with NVMe is BM.GPU4.8

upvoted 3 times

foron

3 years, 5 months ago

how about the VM GPU 3.4?

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Zhillon

4 years, 7 months ago

It can contain NVMe discs as mentioned in the document https://docs.cloud.oracle.com/en-us/iaas/Content/Compute/References/computeshapes.htm

upvoted 1 times

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riso51

4 years, 7 months ago

It needs to be AE. Although C is GPU as-well, it's false statement, as it does not contain NVMe discs, local disc can be block storage only.

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