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Exam AZ-900 topic 1 question 120 discussion

Actual exam question from Microsoft's AZ-900
Question #: 120
Topic #: 1
[All AZ-900 Questions]

HOTSPOT -
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
Box 1: No -
Not all Azure regions support availability zones.

Box 2: No -
Regions that support availability zones support Linux virtual machines.

Box 3: Yes -
Availability Zones is a high-availability offering that protects your applications and data from datacenter failures. Availability Zones are unique physical locations within an Azure region. Each zone is made up of one or more datacenters equipped with independent power, cooling, and networking. To ensure resiliency, there's a minimum of three separate zones in all enabled regions. The physical separation of Availability Zones within a region protects applications and data from datacenter failures. Zone-redundant services replicate your applications and data across Availability Zones to protect from single-points-of-failure. With Availability
Zones, Azure offers industry best 99.99% VM uptime SLA.
References:
https://docs.microsoft.com/en-gb/azure/availability-zones/az-overview

Comments

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rrtafe
Highly Voted 4 years, 5 months ago
NO-NO-NO 1-Not every region has multiple Availability Zone. Some regions may have only one Availability Zone. 2-One can run both Linux and Windows virtual machines created in the availability zone. 3-Availability zones are used to replicate data and applications in the same region.
upvoted 163 times
TEE_B
3 years, 9 months ago
Thank you for this explanation
upvoted 3 times
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Pamban
3 years, 7 months ago
agree with answer. but could you please further elaborate the explanation of 1st question? there is no way for us to make availability zones. doesn't matter how many AZs per region.
upvoted 2 times
stefano1856
3 years, 6 months ago
It is a Microsoft's choice some areas have it, others don't https://docs.microsoft.com/en-us/learn/azure-fundamentals/azure-architecture-fundamentals/media/regions-small-be724495.png
upvoted 5 times
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Harry28731
3 years ago
See ALTERNATE REGIONS. It's not about having one or multiple AZ. It's just that some regions dont support the concept. https://docs.microsoft.com/en-us/azure/availability-zones/glossary
upvoted 4 times
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notyourname
3 years, 1 month ago
Availability Zones is a high-availability offering that protects your applications and data from datacenter failures. Availability Zones are unique physical locations within an Azure region. Each zone is made up of one or more datacenters equipped with independent power, cooling, and networking. To ensure resiliency, thereג€™s a minimum of three separate zones in all enabled regions. The physical separation of Availability Zones within a region protects applications and data from datacenter failures. Zone-redundant services replicate your applications and data across Availability Zones to protect from single-points-of-failure. With Availability Zones, Azure offers industry best 99.99% VM uptime SLA. References: https://docs.microsoft.com/en-gb/azure/availability-zones/az-overview All Enabled Regions have a minimum of 3 AZ zones. Therefore the answer is YES-NO-NO
upvoted 2 times
Harry28731
3 years ago
FIRST ANSWER IS NO ! Don't mislead people. Some regions do not support Availability Zones. https://docs.microsoft.com/en-us/azure/availability-zones/glossary It exists RECOMMENDE regions AND ALTERNATE Regions. Alternate regions does not support AZ. A region that extends Azure's footprint within a data-residency boundary where a recommended region also exists. Alternate regions help to optimize latency and provide a second region for disaster recovery needs. They aren't designed to support availability zones, although Azure conducts regular assessment of these regions to determine if they should become recommended regions. These regions are designated in the Azure portal as Other. Ex: EUROPE UK WEST
upvoted 16 times
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SAFM
1 year, 2 months ago
First one is NO, not all regions support AZs; it's well documented on the learning materials from MS.
upvoted 1 times
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RSMCT2011
Highly Voted 4 years, 11 months ago
https://docs.microsoft.com/en-us/azure/availability-zones/az-overview Availability Zones is a high-availability offering that protects your applications and data from datacenter failures. Availability Zones are unique physical locations within an Azure region. Each zone is made up of one or more datacenters equipped with independent power, cooling, and networking.
upvoted 11 times
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Yomzie
Most Recent 8 months, 3 weeks ago
No: Clear explanations already provided. No: Clear explanation is also provided. No: For number 3, Availability zones are used to replicate data and applications within the same AZ region (not to MULTIPLE regions as the question suggests).
upvoted 1 times
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vishnut1986
9 months ago
MS has mentioned in their lecture/module on availability zone - Availability Zones ------------- Important - To ensure resiliency, a minimum of three separate availability zones are present in all availability zone-enabled regions. However, not all Azure Regions currently support availability zones.
upvoted 1 times
vishnut1986
9 months ago
so 1-a is NO
upvoted 1 times
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Jaiiee
1 year, 3 months ago
NNY see the explanation. 3-Availability zones are used to replicate data and applications in the same region.
upvoted 1 times
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sj1234567
1 year, 3 months ago
1. NO, not all regions are "availability zone - enabled regions". This service is limited. 2. NO. 3. NO. Availability zone service is available at regional level whereas Geo-Redunancy is avaliable at regional level.
upvoted 1 times
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sj1234567
1 year, 3 months ago
1. NO, not all regions are "availability zone - enabled regions". This service is limited. 2. NO. 3. Availability zone service is available at regional level whereas Geo-Redunancy is avaliable at regional level.
upvoted 1 times
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obetta1992
1 year, 4 months ago
Correct. NNN
upvoted 1 times
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Bookem
1 year, 6 months ago
Confusing the highlights in the answer show all No but the explanatory each shows 3 as yes
upvoted 1 times
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EliasYahya
1 year, 11 months ago
Not all Regions have Availability Zones. Regions that support Availability Zones have a minimum of three separate zones to ensure resiliency. so 1st is No
upvoted 1 times
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Pa1theAchiever
2 years, 5 months ago
No No No
upvoted 1 times
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cuentaalternajsr
2 years, 6 months ago
Correcto. No, no, no.
upvoted 1 times
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rdelgadof13
2 years, 8 months ago
NNN is correct
upvoted 2 times
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diogoweb
3 years, 3 months ago
Got it on 06-09-2021
upvoted 3 times
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diogoweb
3 years, 3 months ago
Got it on 06-09-2021
upvoted 1 times
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Shw7
3 years, 4 months ago
Appeared on 26-July-2021
upvoted 1 times
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Gerardo1971
3 years, 7 months ago
Correct answer
upvoted 3 times
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