AZ-305 Azure Storage and Data Architecture

Question 1

Your application needs to store petabytes of unstructured data with tiered access: frequently accessed data served quickly and archival data stored cheaply.
Which Azure Storage configuration best meets this need?

Accepted Answer

Azure Blob Storage with Hot, Cool, and Archive tiers using lifecycle management policies

Answer

Azure Files with Premium tier

Answer

Azure Disk Storage with Ultra tier

Answer

Azure Data Lake Storage Gen2 with ZRS replication

Question 2

A database workload requires sub-millisecond disk latency with guaranteed IOPS for mission-critical OLTP. Which Azure Disk type should you choose?

Accepted Answer

Ultra Disk Managed Disks

Answer

Standard HDD Managed Disks

Answer

Standard SSD Managed Disks

Answer

Premium SSD Managed Disks

Question 3

You need to design a shared file system for a legacy Windows application that requires SMB access from Azure VMs and on-premises servers simultaneously. Which solution is appropriate?

Accepted Answer

Azure Files with SMB shares

Answer

Azure Blob Storage with NFS mount

Answer

Azure NetApp Files

Answer

Azure Data Lake Storage Gen2

Question 4

Your data engineering team needs a storage account that supports hierarchical namespace for big data analytics workloads using Apache Spark. Which storage type should you enable?

Accepted Answer

Azure Data Lake Storage Gen2 (ADLS Gen2) with hierarchical namespace enabled

Answer

Azure Blob Storage with GRS replication

Answer

Azure Table Storage

Answer

Azure Files Premium tier

Question 5

You need to ensure that a Storage account's data cannot be deleted or modified for 7 years to comply with financial regulations. Which feature should you configure?

Accepted Answer

Immutable storage with time-based retention policies (WORM)

Answer

Azure Backup for storage accounts

Answer

Soft delete with 7-day retention

Answer

Azure Storage versioning

Question 6

A storage account will be accessed by thousands of clients concurrently. You need to minimize latency for reads of the same data across multiple Azure regions. Which feature should you enable?

Accepted Answer

Read-Access Geo-Redundant Storage (RA-GRS)

Answer

Zone-Redundant Storage (ZRS)

Answer

Geo-Redundant Storage (GRS)

Answer

Object replication between storage accounts