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Exam AZ-103 topic 13 question 2 discussion

Actual exam question from Microsoft's AZ-103

Question #: 2
Topic #: 13

HOTSPOT -
You need to recommend a solution for App1. The solution must meet the technical requirements.
What should you include in the recommendation? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Show Suggested Answer

Suggested Answer:

This reference architecture shows how to deploy VMs and a virtual network configured for an N-tier application, using SQL Server on Windows for the data tier.

Scenario: You have a public-facing application named App1. App1 is comprised of the following three tiers:
✑ A SQL database
✑ A web front end
✑ A processing middle tier
Each tier is comprised of five virtual machines. Users access the web front end by using HTTPS only.
Technical requirements include:
✑ Move all the virtual machines for App1 to Azure.
✑ Minimize the number of open ports between the App1 tiers.
Reference:
https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/n-tier/n-tier-sql-server
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by CarlosBarrero at June 16, 2020, 2:14 a.m.

Comments

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_cube_

3 years, 8 months ago

Who stops you to put all the tiers in the same subnet though? It just says the frontend ties is accessed via HTTPS so just create an NSG for them and put everything in the same subnet.

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I

4 years, 3 months ago

Answers are correct! 3 tiers so 3 subnets in 1 vitual network.

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_syamantak

4 years, 10 months ago

Wrong answers. No of VNet : 1 , No of Subnet : 2 First of all, SQL server is a managed service and we can not put it to specific subnet. Also, if at all it needed a subnet (assuming sqlserver database into a vm), we still could put in the same subnet of the Middle Tier. Middle tier is not accessible to the users.

upvoted 1 times

TzzZ

4 years, 9 months ago

1d10t 3 tiers plus gateway subnet and jumpbox subnet, should be 5, but 3 is ok in the answer

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xiaolin

4 years, 9 months ago

SQL Server - 5 vms, it's iaas not paas

upvoted 2 times

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Rajat0702

4 years, 10 months ago

Should be 1 and 2 ,microsoft sql server is managed service and does not required a new subnet.

upvoted 2 times

sarah_t

4 years, 10 months ago

It says "Each tier is comprised of five virtual machines." this includes the DB tier.

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CarlosBarrero

4 years, 11 months ago

number virtualnetworks is 1 and subnets 3 ?

upvoted 2 times

macco455

4 years, 11 months ago

Answer is correct.

upvoted 5 times

[Removed]

4 years, 11 months ago

Yes, APP1 is 3 tier app.

upvoted 1 times

TinyTrexArmz

4 years, 10 months ago

The problem is that this case study says there are three tiers but only tells you about two. Other websites show a data tier that is not listed on this site. So, you might get 1-3 or 1-2 depending on how you read the case study.

upvoted 1 times

TinyTrexArmz

4 years, 10 months ago

Correction: It does show it (data tier is listed as "a SQL Database"), but the formatting is odd on this site and makes it look like it was put there by mistake and is not part of the tier list. If you read carefully, you would come up with 1-3. I obviously did not and came up with 1-2.

upvoted 1 times

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