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Exam MD-100 topic 4 question 39 discussion

Actual exam question from Microsoft's MD-100

Question #: 39
Topic #: 4

HOTSPOT -
Your network contains an Active Directory domain. The domain contains the users shown in the following table.

You have a server named Server1 that runs Windows Server 2019 and has the Windows Deployment Services role installed. Server1 contains an x86 boot image and three Windows 10 install images. The install images are shown in the following table.

You purchase a computer named Computer1 that is compatible with the 64-bit version of Windows 10.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
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Reference:
https://techdirectarchive.com/2020/09/14/error-0xc1510111-you-do-not-have-permissions-to-mount-and-modify-this-image/

by abs89 at Oct. 22, 2021, 10:10 a.m.

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PiPe

Highly Voted 3 years, 5 months ago

My 2 cents... First answer: No because user1 doesn't have read permissions on the install image Second answer: No because WDSServer doesn't have full control on the install image Third answer: No because the machine is x64 meaning it's delivered with UEFI firmware and not legacy BIOS. X86 boot images can deploy x86/x64 install images only to systems with legacy BIOS.

upvoted 9 times

xeni66

2 years, 3 months ago

https://social.technet.microsoft.com/wiki/contents/articles/11827.securing-installation-images-in-windows-deployment-services-wds.aspx

upvoted 1 times

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RodrigoT

Highly Voted 3 years, 5 months ago

https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj648426(v=ws.11)#prerequisites-for-installing-an-install-image This article explains that "A local user account must be a created on the Windows Deployment Services server" and one of the steps is "At the Connect to Your WDS Server authentication dialog, enter your local user account and password". In my opinion the answer is NO, NO, NO because User1 and User2 were not created on the Windows Deployment Services server, they are just in the Domain.

upvoted 6 times

51007

3 years, 2 months ago

The way question switches to User2 makes me think they are trying to get you on it being x86... WDSServer has full control, Group2 has read.. but the x86 would be incompatible. Based on that I agree with PiPE on the reasoning for the first two answers being No.. To your point about needing a local acct on the WDS Server.. I noticed the article linked is for 2012.. i dug a bit and found this how-to for 2019.. it seems to just be asking for a domain account (with appropriate permissions i guess).. Either way, NO, NO, NO looks ok to me

upvoted 1 times

51007

3 years, 2 months ago

https://www.itechguides.com/install-windows-10-from-network/

upvoted 1 times

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dlast

Most Recent 2 years, 1 month ago

It's simply no, no ,no because there is no x64 bit image on the WDS server only an x86 boot image and 3 W10 images. This makes all the permissions not relevant.

upvoted 1 times

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flabezerra

2 years, 8 months ago

Great question, but very difficult to solve if you don't have a way to set up a lab and test it yourself. I have spent hours building up the lab and testing the WDS with the user permissions. This question has the exact answer from examtopics. No doubts. Now, a very important thing happens in the second statement: User2 can see the installation on the Windows installation screen, but he cannot install because he gets an error the exact momento he clicks next to install referring to the WDSServer group that does not have permission. WDS at the time I'm solving this question is being deprecated as it doesn't install Windows 11. Windows 10 can still be installed without any problem. https://learn.microsoft.com/en-us/windows/deployment/wds-boot-support

upvoted 2 times

flabezerra

2 years, 8 months ago

Just forget about Read-only. Read-only has nothing to do with this question. But it is good to know.

upvoted 1 times

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NZS

3 years, 5 months ago

No, Yes, No. Installing an image doesn't require write access

upvoted 1 times

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restopics

3 years, 7 months ago

Answer is NO, NO, NO because mounting the images requires read and write permission. Since none of the users have both r+w, the answer is NO.

upvoted 4 times

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abs89

3 years, 8 months ago

Why would User1 not be able to install Image1 on Computer1 by using WDS? Aren't the architecture type of a boot image and install-image separate from each other? Or should the architecture type be equal to each other?

upvoted 1 times

Anywayitmake

3 years, 7 months ago

I think because Group 1 is missing from User permissions

upvoted 1 times

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