Microsoft Certified Azure Data Engineer Associate · Free Practice Question Easy
Question 34
Identify the missing word(s) in the following sentence within the context of Microsoft Azure.
[ ? ] is a Hadoop-compatible data repository that can store any size or type of data. The following are key features of [?]:
Unlimited scalability
Hadoop compatibility
Security support for both access control lists (ACLs)
POSIX compliance
Zone-redundant storage
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A
Azure HDInsight
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B
Azure Cosmos DB
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C
Azure Data Studio
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D
Azure Data Lake Storage
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E
Azure Bulk File Storage
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F
Azure Lab Services
Reveal correct answer
Correct answer: D
Explanation
Azure Data Lake Storage is a Hadoop-compatible data repository that can store any size or type of data. This storage service is available as Generation 1 (Gen1) or Generation 2 (Gen2). Data Lake Storage Gen1 users don't have to upgrade to Gen2, but they forgo some benefits.
Data Lake Storage Gen2 users take advantage of Azure Blob storage, a hierarchical file system, and performance tuning that helps them process big-data analytics solutions. In Gen2, developers can access data through either the Blob API or the Data Lake file API. Gen2 can also act as a storage layer for a wide range of compute platforms, including Azure Databricks, Hadoop, and Azure HDInsight, but data doesn't need to be loaded into the platforms.
Here are the key features of Data Lake Storage:
Unlimited scalability
Hadoop compatibility
Security support for both access control lists (ACLs)
POSIX compliance
An optimized Azure Blob File System (ABFS) driver that's designed for big-data analytics
Zone-redundant storage
Geo-redundant storage
A. Azure HDInsight is a cloud-based service from Microsoft for big data analytics that supports Apache Hadoop, Spark, Hive, and other big data tools. While it is Hadoop-compatible, it is not specifically mentioned in the sentence as the correct answer for a Hadoop-compatible data repository with the listed key features.
B. Azure Cosmos DB is a globally distributed, multi-model database service for building highly responsive and scalable applications. While it offers many features, it is not primarily designed as a Hadoop-compatible data repository, so it does not match the description in the sentence.
C. Azure Data Studio is a cross-platform database tool for data professionals using the Microsoft family of on-premises and cloud data platforms. It is not specifically designed as a Hadoop-compatible data repository, so it does not fit the description in the sentence.
D. Azure Data Lake Storage is the correct choice as it is a Hadoop-compatible data repository that can store any size or type of data. It offers unlimited scalability, Hadoop compatibility, security support for access control lists (ACLs), POSIX compliance, and zone-redundant storage, as mentioned in the sentence.
E. Azure Bulk File Storage is not a specific Azure service. It does not align with the features mentioned in the sentence, such as unlimited scalability, Hadoop compatibility, security support for access control lists (ACLs), POSIX compliance, and zone-redundant storage.
F. Azure Lab Services is a service that enables educators and students to easily set up, manage, and distribute cloud-based courses and labs. It is not related to being a Hadoop-compatible data repository with features like unlimited scalability, Hadoop compatibility, security support for access control lists (ACLs), POSIX compliance, and zone-redundant storage.
Discussion
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