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Question 542 - AZ-104 discussion

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You need to create an Azure Storage account named storage1. The solution must meet the following requirements:

* Support Azure Data Lake Storage.

* Minimize costs for infrequently accessed data.

* Automatically replicate data to a secondary Azure region.

Which three options should you configure for storage1? Each correct answer presents part of the solution.

NOTE: Each correct answer is worth one point.

A.
the Cool access tier
Answers
A.
the Cool access tier
B.
the Hot access tier
Answers
B.
the Hot access tier
C.
hierarchical namespace
Answers
C.
hierarchical namespace
D.
zone-redundant storage (ZRS)
Answers
D.
zone-redundant storage (ZRS)
E.
geo-redundant storage (GRS)
Answers
E.
geo-redundant storage (GRS)
Suggested answer: A, C, E

Explanation:

To create an Azure Storage account that supports Azure Data Lake Storage, you need to enable the hierarchical namespace option. This option allows you to organize and manipulate files and folders efficiently in a data lake. It also enables compatibility with the Hadoop Distributed File System (HDFS) API, which is widely used for big data analytics. For more information, seeAzure Data Lake Storage Gen2 Introduction.

To minimize costs for infrequently accessed data, you can choose the Cool access tier for your storage account. This tier offers lower storage costs than the Hot access tier, but higher access and transaction costs. The Cool access tier is suitable for data that is infrequently accessed or modified, such as short-term backup, disaster recovery, or archival data. Data in the Cool access tier should be stored for at least 30 days. For more information, seeAccess tiers for blob data.

To automatically replicate data to a secondary Azure region, you can choose the geo-redundant storage (GRS) option for your storage account. This option replicates your data synchronously three times within the primary region, and then asynchronously to the secondary region. GRS provides the highest level of durability and availability for your data, and protects against regional outages or disasters. For more information, seeData redundancy.

asked 26/09/2024
Jenny Silva
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