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Exam AZ-900 topic 1 question 99 discussion

Actual exam question from Microsoft's AZ-900
Question #: 99
Topic #: 1
[All AZ-900 Questions]

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You plan to deploy several Azure virtual machines.
You need to ensure that the services running on the virtual machines are available if a single data center fails.
Solution: You deploy the virtual machines to a scale set.
Does this meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
This answer does not specify that the scale set will be configured across multiple data centers so this solution does not meet the goal.
Azure virtual machine scale sets let you create and manage a group of load balanced VMs. The number of VM instances can automatically increase or decrease in response to demand or a defined schedule. Scale sets provide high availability to your applications, and allow you to centrally manage, configure, and update many VMs.
Virtual machines in a scale set can be deployed across multiple update domains and fault domains to maximize availability and resilience to outages due to data center outages, and planned or unplanned maintenance events.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/availability
by panal at Feb. 24, 2021, 10:04 a.m.

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Socca
Highly Voted 3 years, 2 months ago
Correct answer is B .Scale set does not garanti availability if a DataCenter fails.
upvoted 42 times
Harry28731
2 years, 5 months ago
Yes, we need to configure scale set over Availibility Zones to guarantee it. As it's not mentioned in the question, the answer is B NO.
upvoted 8 times
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panal
Highly Voted 3 years, 2 months ago
Correct
upvoted 8 times
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pgcool
Most Recent 2 weeks, 3 days ago
Selected Answer: B
logically
upvoted 1 times
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Prattts
1 month ago
Same as Q122.
upvoted 1 times
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intentando
5 months, 3 weeks ago
Selected Answer: B
https://learn.microsoft.com/en-us/azure/virtual-machine-scale-sets/overview
upvoted 1 times
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JaviOjeda
7 months, 3 weeks ago
Selected Answer: B
Availabilty Zone
upvoted 1 times
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Obitus
7 months, 3 weeks ago
Selected Answer: B
Availavility Zones
upvoted 1 times
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Ciupaz
1 year, 2 months ago
The question is bad formulated, because you can. for more availability, use Availability Zones to automatically distribute VM instances in a scale set within a single datacenter or across multiple datacenters.
upvoted 3 times
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emptyH
1 year, 3 months ago
Selected Answer: B
Scale sets will not achieve this. You need zone redundancy
upvoted 1 times
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Pa1theAchiever
1 year, 10 months ago
Option B
upvoted 1 times
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Tarzan5623344
1 year, 11 months ago
No is the correct answer
upvoted 1 times
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Monster5566
2 years ago
https://techcommunity.microsoft.com/t5/azure-compute-blog/announcing-general-availability-for-virtual-machine-scale-sets/ba-p/2918378
upvoted 1 times
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abelk
2 years, 5 months ago
Correct
upvoted 1 times
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wmlead
2 years, 10 months ago
nope this will not help coz the whole data center fail will impact the availability
upvoted 2 times
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mabotega
3 years ago
Correct answer is A - YES - According to the article published in 03/08/2021 at https://docs.microsoft.com/en-us/azure/virtual-machines/availability Virtual machines in a scale set can also be deployed into a single Availability zone, or regionally.
upvoted 2 times
Kaizen_Seiko
2 years, 12 months ago
but they don't say how will the scale set be configured?
upvoted 4 times
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Gerardo1971
3 years ago
Correct answer
upvoted 1 times
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mustaqueali
3 years, 1 month ago
Answer A is Correct: https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/overview#differences-between-virtual-machines-and-scale-sets In this link, it clearly states that "Automatic distribution of VM instances across Availability Zones or Availability Sets"
upvoted 4 times
mecsuresh
2 years, 11 months ago
Availability Set & Scale Set are different , so Ans : B https://medium.com/awesome-azure/difference-between-scale-set-and-availability-set-in-azure-9b2da03b891c
upvoted 2 times
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Arqueiro
3 years ago
I upvoted this answer but giving a second though the question indeed does not mention if the scale set is configured across multiple DCs. The scale set will automatically deploy the VMs on an availability zone OR availability set. Availability set does not help in case of a DC issue, and it is not clear if there is an availability zone configured/available or not.
upvoted 4 times
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