AZ-300 Azure Storage Solutions 1 — Questions and Answers
Question 1: Which Azure Blob Storage access tier is designed for data that is rarely accessed and stored for at least 180 days, with the lowest storage cost but highest retrieval cost?
- Hot tier
- Cool tier
- Cold tier
- Archive tier (Correct answer)
Correct answer: Archive tier
The Archive tier offers the lowest storage price for rarely accessed data but requires rehydration (hours) before data can be read.
Question 2: Which Azure Storage redundancy option replicates data synchronously across three availability zones within the same region?
- LRS
- GRS
- ZRS (Correct answer)
- GZRS
Correct answer: ZRS
Zone-Redundant Storage (ZRS) replicates data synchronously across three availability zones in a single region, protecting against datacenter failures.
Question 3: What is the maximum size of a single Azure Blob?
- 4.77 TB
- 8 TB
- 190.7 TB (Correct answer)
- 5 PB
Correct answer: 190.7 TB
A single block blob in Azure Blob Storage can be up to approximately 190.7 TB (200 GB per block × 50,000 blocks).
Question 4: Which Azure service provides a fully managed, cloud-native NFS and SMB file share that can be mounted by Windows, Linux, and macOS clients?
- Azure Blob Storage
- Azure Files (Correct answer)
- Azure NetApp Files
- Azure Data Lake Storage
Correct answer: Azure Files
Azure Files provides fully managed cloud file shares accessible via SMB and NFS protocols, mountable directly on VMs and on-premises machines.
Question 5: What feature of Azure Storage allows you to automatically move blobs between access tiers based on age or last access time?
- Storage Policies
- Lifecycle Management Policies (Correct answer)
- Object Replication
- Immutable Blob Storage
Correct answer: Lifecycle Management Policies
Azure Blob Lifecycle Management policies automatically transition or delete blobs based on rules you define, such as moving to Cool after 30 days.
Question 6: Which Azure Storage feature ensures blobs cannot be deleted or modified for a specified retention period, supporting WORM compliance requirements?
- Soft Delete
- Versioning
- Immutable Blob Storage (Correct answer)
- Legal Hold
Correct answer: Immutable Blob Storage
Immutable Blob Storage enforces a WORM (Write Once, Read Many) policy, preventing deletion or modification for compliance retention periods.
AZ-300 Azure Storage Solutions 1
Which Azure Blob Storage access tier is designed for data that is rarely accessed and stored for at least 180 days, with the lowest storage cost but highest retrieval cost?