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Exam AZ-303 topic 5 question 59 discussion

Actual exam question from Microsoft's AZ-303

Question #: 59
Topic #: 5

SIMULATION -
Click to expand each objective. To connect to the Azure portal, type https://portal.azure.com in the browser address bar.

When you are finished performing all the tasks, click the `˜Next' button.
Note that you cannot return to the lab once you click the `˜Next' button. Scoring occur in the background while you complete the rest of the exam.

Overview -
The following section of the exam is a lab. In this section, you will perform a set of tasks in a live environment. While most functionality will be available to you as it would be in a live environment, some functionality (e.g., copy and paste, ability to navigate to external websites) will not be possible by design.
Scoring is based on the outcome of performing the tasks stated in the lab. In other words, it doesn't matter how you accomplish the task, if you successfully perform it, you will earn credit for that task.
Labs are not timed separately, and this exam may have more than one lab that you must complete. You can use as much time as you would like to complete each lab. But, you should manage your time appropriately to ensure that you are able to complete the lab(s) and all other sections of the exam in the time provided.
Please note that once you submit your work by clicking the Next button within a lab, you will NOT be able to return to the lab.

To start the lab -
You may start the lab by clicking the Next button.
You need to deploy an Azure virtual machine named VM1004a based on an Ubuntu Server image, and then to configure VM1004a to meet the following requirements:
- The virtual machines must contain data disks that can store at least 15 TB of data
- The data disk must be able to provide at least 2,000 IOPS
- Storage costs must be minimized
What should you do from the Azure portal?

Show Suggested Answer

Suggested Answer: See solution below.
Step 1: Open the Azure portal.
Step 2: On the left menu, select All resources. You can sort the resources by Type to easily find your images.
Step 3: Select the image you want to use from the list. The image Overview page opens.
Step 4: Select Create VM from the menu.
Step 5: Enter the virtual machine information. Select VM1004a as the name for the first Virtual machine.The user name and password entered here will be used to log in to the virtual machine. When complete, select OK. You can create the new VM in an existing resource group, or choose Create new to create a new resource group to store the VM.
Step 6: Select a size for the VM. To see more sizes, select View all or change the Supported disk type filter.To support 15 TB of data you would need a Premium disk.
Step 7: Under Settings, make changes as necessary and select OK.
Step 8: On the summary page, you should see your image name listed as a Private image. Select Ok to start the virtual machine deployment.
References:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/create-vm-generalized-managed

by MichaelCWWong at Jan. 3, 2021, 9:25 a.m.

Comments

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Aghora

Highly Voted 4 years, 6 months ago

correction , I would go for standard SSD as HD has a max IOPS of 2000 which means it may be less and would not mean the req at least 2000

upvoted 13 times

whysohardwhy

4 years, 5 months ago

agree, both standard SSD and premium SSD at 16TB can meet 2000 IOPS. get the standard for lower cost. https://azure.microsoft.com/en-us/pricing/details/managed-disks/

upvoted 6 times

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MichaelCWWong

Highly Voted 4 years, 7 months ago

HDD should be used for storing 15GB of data with IOPS 2000 per requirement. Another requirement is to minimize cost. https://docs.microsoft.com/en-us/azure/virtual-machines/disks-types

upvoted 5 times

nexnexnex

4 years, 6 months ago

requirement is 'at least 2000', but standard HDD offers 'at most 2000'. provisioned iops offered only with premium ssd tier

upvoted 11 times

pentium75

4 years ago

Question does not imply that we need 2000 IOPS at any given time. Standard HDD can provide 2000 IOPS, so I'd go for that.

upvoted 2 times

altafpatel1984

3 years, 5 months ago

It's clearly mentioned to have 2000 IOPS at MINIMUM 'The data disk must be able to provide at least 2,000 IOPS'

upvoted 1 times

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dandirindan

4 years, 6 months ago

since talking about at least means, you expect more than 2000 iops, so you should use premium tier (ssd) i think

upvoted 5 times

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donathon

Most Recent 3 years, 8 months ago

Need to add a second disk. Standard disk is sufficient to keep the cost as low as possible which is one of the requirement. The size should be 16TiB which satisfy the 15TB requirement.

upvoted 1 times

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nfett

4 years, 1 month ago

going with what Agora noted. pulled this note right of the disk configuration options, it shows that MAX IOPS for SSD is 2000. https://docs.microsoft.com/en-us/azure/virtual-machines/disks-types

upvoted 1 times

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amt123

4 years, 1 month ago

for 15 GB, 2000 IOPS > Go to Data Disk > Create and attach new disk > Size >Change Size >Custom Disk Size > Enter 15 GB > Next Select > Performance Tier> Select P20 (Supports 2300 IOPS) > Click OK

upvoted 1 times

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haitrinh

4 years, 4 months ago

And I think 15TB = 15 000GB = 16 109GiB So we can use 16 109GiB to instead 16 384 GiB :V

upvoted 2 times

haitrinh

4 years, 4 months ago

Sorry: 15 000GB = 13 970 GiB :))

upvoted 3 times

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haitrinh

4 years, 4 months ago

I think: MaxIOPS(HDD) = Y = 2000 <=> Y <= 2000 => Y = 2000 is always correct. X at least 2000 <=> X >= 2000 => X = 2000 is always correct. => X can be equal Y when X = Y = 2000 So I think we can choose HDD. :))

upvoted 1 times

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PapaLion

4 years, 5 months ago

Another important point is the SIZE of the VM otherwise the IOPs of the DATA DISK are limited to the MAXIMUM IOPs of the VM.

upvoted 2 times

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Aghora

4 years, 6 months ago

data disk with 16384 GiB sku S70 2000 iops should do the job

upvoted 4 times

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inf

4 years, 6 months ago

At least = 2000 or more. For instance, someone says 'go to the shop and get me at least 1 apple'. You return with one apple because it meets their requirements and you're cheap. Next day they say 'I'm hungry, go to the shop and get me a maximum of 1 apples'. You could be a dick and come back with no apples, but getting one apple meets the maximum number asked for. Thus At least 2000 = Max 2000 Thus HDD should be used, because the requester is cheap and meets their requirements

upvoted 3 times

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