DP-200 Azure Data Storage Solutions

Question 1

Which Azure storage service is best suited for storing petabytes of unstructured data for big data analytics workloads?

Accepted Answer

Azure Data Lake Storage Gen2

Answer

Azure Blob Storage

Answer

Azure Table Storage

Answer

Azure Queue Storage

Question 2

When configuring Azure Data Lake Storage Gen2, which authentication method provides the finest-grained access control at the file and directory level?

Accepted Answer

POSIX-compliant ACLs

Answer

Shared Access Signatures (SAS)

Answer

Storage Account Keys

Answer

Azure AD OAuth tokens only

Question 3

What is the purpose of the hierarchical namespace feature in Azure Data Lake Storage Gen2?

Accepted Answer

To support atomic directory operations and improve analytics performance

Answer

To enable geo-replication

Answer

To enable static website hosting

Answer

To provide CDN capabilities

Question 4

Which Azure Blob Storage access tier is most cost-effective for data that is rarely accessed and stored for at least 180 days?

Accepted Answer

Archive tier

Answer

Hot tier

Answer

Cool tier

Answer

Premium tier

Question 5

In Azure Synapse Analytics, what is a PolyBase external table used for?

Accepted Answer

Querying data stored outside Synapse such as ADLS Gen2 without importing it

Answer

Storing relational data inside Synapse

Answer

Creating in-memory indexes

Answer

Encrypting data at rest

Question 6

Which replication option provides the highest durability for Azure Storage by maintaining six copies across two geographically separated data centers?

Accepted Answer

Geo-Zone-Redundant Storage (GZRS)

Answer

Locally Redundant Storage (LRS)

Answer

Zone-Redundant Storage (ZRS)

Answer

Geo-Redundant Storage (GRS)