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Exam AZ-104 topic 3 question 35 discussion

Actual exam question from Microsoft's AZ-104

Question #: 35
Topic #: 3

You have a general-purpose v1 Azure Storage account named storage1 that uses locally-redundant storage (LRS).
You need to ensure that the data in the storage account is protected if a zone fails. The solution must minimize costs and administrative effort.
What should you do first?

A. Create a new storage account.
B. Configure object replication rules.
C. Upgrade the account to general-purpose v2.
D. Modify the Replication setting of storage1.

Show Suggested Answer

Suggested Answer: C 🗳️

by klamar at May 31, 2021, 9:19 a.m.

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klamar

Highly Voted 4 years, 1 month ago

Correct. v1 supports GRS/RA-GRS but question was about least cost. Least cost is ZRS which is only supported for v2 and premium file/block storage. Source: https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy#supported-storage-account-types

upvoted 89 times

renzoku

2 years, 10 months ago

But it's wondering about Zone fails then ZRS wouldn't an option else we should use GRS

upvoted 4 times

photon99

1 year, 8 months ago

Actually the question says, A ZONE. That mean its not ALL OR SOME ZONE fail. So yeah, ZRS is suitable over GRS.

upvoted 1 times

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mung

2 years, 7 months ago

ZRS replicates data into multiple "Zones". So if your primary zone fails then the other two or more zones are available and will takeover the failed zone for you and your server will stay alive. So ZRS is great for zone failure. GRS replicated your data into different geography. For example, if you are in USA you will most likley be using NA geography. And if you use GRS, your data will be replicated to a secondary gregraphy such as EU, Asia, etc. So with GRS, even if the entire NA Azure servers failes and lose all your data, you will still have backed up data in a different geography.

upvoted 10 times

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photon99

1 year, 8 months ago

Microsoft MUST remove all the questions for the services they have planned deprecation. It make no sense to confuse new people between Storage V1 vs V2 or confuse us between Basic PublicIP vs Standard PublicIP.

upvoted 9 times

Mentalfloss

11 months ago

I am guessing Microsoft did remove this question from the exam, but it lingers here for all eternity. :)

upvoted 2 times

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ltson1

2 years, 4 months ago

The answer is upgrading to gen 2 but say nothing about changing LRS to ZRS so I think D should be the answer

upvoted 3 times

vldt

2 years, 3 months ago

again MS is playing with the words here. Note that the question is: "What should you do FIRST?" so the answer is correct

upvoted 5 times

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mwhooo

Highly Voted 3 years, 10 months ago

Answer is correct, and this is why : General-purpose v2 storage accounts support the latest Azure Storage features and incorporate all of the functionality of general-purpose v1 and Blob storage accounts. General-purpose v2 accounts are recommended for most storage scenarios. General-purpose v2 accounts deliver the lowest per-gigabyte capacity prices for Azure Storage, as well as industry-competitive transaction prices. General-purpose v2 accounts support default account access tiers of hot or cool and blob level tiering between hot, cool, or archive. Upgrading to a general-purpose v2 storage account from your general-purpose v1 or Blob storage accounts is straightforward. You can upgrade using the Azure portal, PowerShell, or Azure CLI. There is no downtime or risk of data loss associated with upgrading to a general-purpose v2 storage account. The account upgrade happens via a simple Azure Resource Manager operation that changes the account type. Hope this helps

upvoted 44 times

Mozbius_

3 years, 5 months ago

Nice pointing out. Also just to avoid any confusion the same doesn't apply to switching from Standard V2 to any of the Premium tiers. Doing such a switch requires a NEW storage account to be created and data to be copied over after. Reference : Microsoft own AZ104 certified instructor.

upvoted 6 times

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01525bd

Most Recent 1 year, 3 months ago

Standard general-purpose v1 = LRS/GRS/RA-GRS Blob Storage = LRS/GRS/RA-GRS Standard general-purpose v2 = LRS/ZRS/GRS/RA-GRS/GZRS/RA-GZRS Premium block blobs = LRS/ZRS Premium page blobs = LRS/ZRS Premium file shares = LRS/ZRS https://learn.microsoft.com/en-us/azure/storage/common/storage-account-overview

upvoted 2 times

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Amir1909

1 year, 4 months ago

C is correct

upvoted 1 times

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VikiAP

1 year, 4 months ago

Still don't agree with the answer. Upgrading to Storagev2 does not automatically sets Zone Redundancy ... so this answer is not correct to me ..

upvoted 1 times

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iamchoy

1 year, 9 months ago

Selected Answer: C

To protect data against a zone failure, you would typically use Zone-Redundant Storage (ZRS). However, General-Purpose v1 (GPv1) storage accounts do not support ZRS. To take advantage of ZRS, you should use General-Purpose v2 (GPv2) storage accounts. After upgrading to GPv2, you can then modify the replication settings to use ZRS. So, the correct first step would be: C. Upgrade the account to general-purpose v2. Once you've upgraded to GPv2, you can modify the Replication setting to use ZRS.

upvoted 5 times

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Mehedi007

1 year, 11 months ago

Selected Answer: C

https://learn.microsoft.com/en-us/azure/storage/common/storage-redundancy#supported-storage-account-types https://learn.microsoft.com/en-us/azure/storage/common/storage-account-upgrade?tabs=azure-portal Passed the exam on 26 July 2023. Scored 870. Exact question came.

upvoted 3 times

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vanr2000

2 years, 3 months ago

Selected Answer: C

You need to upgrade the storage account to General-purpose v2, which support ZRS replication support. https://learn.microsoft.com/en-us/azure/storage/common/storage-redundancy#supported-storage-account-types The following link shows, how you can upgrade the storage account to version 2 https://learn.microsoft.com/en-us/azure/storage/common/storage-account-upgrade?tabs=azure-portal

upvoted 3 times

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UmbongoDrink

2 years, 4 months ago

Selected Answer: C

It's C.

upvoted 2 times

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abiurrunc

2 years, 5 months ago

Selected Answer: C

General Purpose v2 offers all data services with all options for replication and access tiers where available.

upvoted 2 times

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Davindra

2 years, 7 months ago

It was in exam on 11/23

upvoted 4 times

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lisley

2 years, 7 months ago

Selected Answer: C

C makes sense

upvoted 1 times

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NaoVaz

2 years, 9 months ago

Selected Answer: C

C) "Upgrade the account to general-purpose v2" The least cost type of storage account that supports zone failures is ZRS, that only supports general-purpose v2.

upvoted 5 times

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EmnCours

2 years, 9 months ago

Selected Answer: C

v1 supports GRS/RA-GRS but question was about least cost. Least cost is ZRS which is only supported for v2 and premium file/block storage. Source: https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy#supported-storage-account-types

upvoted 1 times

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