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Exam 1z0-1072-20 topic 1 question 19 discussion

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

Question #: 19
Topic #: 1

You are running an online gaming application hosted on a VM.Standard2.1 instance shape in Oracle Cloud Infrastructure. As the game becomes popular, you identify network throughput as a bottleneck on your instance when uploading user data.
Though you want to resolve the issue, you want to observe the demand for a week before adding new application instances.
Which action is the most efficient way to resolve this issue?

A. Add a secondary virtual network interface card (VNIC).
B. Change shape of the instance to a higher network bandwidth instance.
C. Delete the instance while preserving boot volume and spin up a new higher network bandwidth instance with this boot volume.
D. Change the performance tier of attached block volume to High Performance.

Show Suggested Answer

Suggested Answer: B 🗳️

by Davar39 at Jan. 2, 2021, 6:17 p.m.

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Davar39

Highly Voted 4 years, 5 months ago

This is correct. Answer "A" wouldn't work because the maximum network throughput is set by it's shape. Adding a second VNic would help balance the traffic but wouldn't increase the throughput. C & D are completely off topic.

upvoted 13 times

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Joe_Qu

Most Recent 3 years ago

B is correct. https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/resizinginstances.htm

upvoted 1 times

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Rishadpp

3 years, 4 months ago

Selected Answer: B

B is correct

upvoted 1 times

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drunkenBear

3 years, 5 months ago

Selected Answer: B

B is correct

upvoted 1 times

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journeymasterdbaocm

3 years, 7 months ago

B is correct

upvoted 2 times

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Soojit

3 years, 7 months ago

Sorry for the typo. Correct answer is 'C'. Option 'B' is incorrect as you can't change the shape of an existing instance.

upvoted 1 times

mifune

3 years, 7 months ago

C? Where is the "bandwitdth" option?

upvoted 2 times

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D3D1997

3 years, 7 months ago

You should have kept the previous response. https://docs.oracle.com/en-us/iaas/releasenotes/changes/22dfb8e4-3d2e-4fec-b9ad-2505cf7fc30b/ You can change the shape of a virtual machine (VM) instance without having to rebuild your instances or redeploy your applications. This lets you scale up your Compute resources for increased performance, or scale down to reduce cost.

upvoted 4 times

pipolo

3 years, 3 months ago

You can change the shape only for flexible VM no for standard. Flexible shapes allow the instance to be resized during its lifespan

upvoted 1 times

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Soojit

3 years, 7 months ago

B is correct.

upvoted 1 times

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