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Exam DP-200 topic 6 question 86 discussion

Actual exam question from Microsoft's DP-200
Question #: 86
Topic #: 6
[All DP-200 Questions]

A company wants to implement a lambda architecture on Microsoft Azure. The following are the key requirements for each architecture layer:

Data storage -
- The data store should serve as a repository for high volumes of files.
- The files can be large and of different formats
- It should be optimized for big data analytics workloads
- The data should be organized using a hierarchical structure

Batch processing -
- This layer should provide a managed solution for in-memory computation processing
- It should provide support for a variety of programming languages
- It should provide the ability to resize and terminate the cluster automatically

Analytical data store -
- This layer must provide support for SQL language
- It must implement native columnar storage
- It should support parallel processing
Which of the following should be used as a technology for the `Data Storage` layer?

  • A. Azure SQL Database
  • B. Azure Blob storage
  • C. Azure Cosmos DB
  • D. Azure Data Lake storage
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
Azure Data Lake Storage fulfils all of the right aspects as being built for Big Data Analytics. It can also scale in terms of storage. Here you can store different types of files, different file sizes as well.
The Microsoft documentation mentions the following:
Introduction to Azure Data Lake Storage Gen2
Azure Data Lake Storage Gen2 is a set of capabilities dedicated to big data analytics, built on Azure Blob storage. Data Lake Storage Gen2 is the result of converging the capabilities of our two existing storage services, Azure Blob storage and Azure Data Lake Storage Gen1. Features from Azure Data Lake Storage
Gen1, such as file system semantics, directory, and file level security and scale are combined with low-cost, tiered storage, high availability/disaster recovery capabilities from Azure Blob storage.
Since this is the perfect fit for the requirement, all other options are incorrect.
Reference:
https://docs.microsoft.com/en-us/azure/storage/blobs/data-lake-storage-introduction
by designtshirt at April 4, 2025, 9:50 a.m.

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