Practice Questions: Describe Azure Blob storage (DP-900 Exam Prep)

Practice Questions


Question 1

What type of data is best suited for Azure Blob Storage?

A. Highly structured relational data
B. Unstructured data such as images and videos
C. Data requiring complex joins
D. Transactional financial records

Answer: B

Explanation:
Blob Storage is optimized for unstructured data like media files, documents, and logs.


Question 2

What is the correct hierarchy in Azure Blob Storage?

A. Blob → Container → Storage Account
B. Container → Blob → Storage Account
C. Storage Account → Container → Blob
D. Storage Account → Blob → Container

Answer: C

Explanation:
The hierarchy is Storage Account → Container → Blob.


Question 3

Which type of blob is BEST suited for storing log files that are continuously appended?

A. Block blob
B. Page blob
C. Append blob
D. Archive blob

Answer: C

Explanation:
Append blobs are optimized for append operations, such as logging.


Question 4

Which access tier is MOST cost-effective for data that is rarely accessed?

A. Hot
B. Cool
C. Archive
D. Premium

Answer: C

Explanation:
The Archive tier is designed for rarely accessed data at the lowest cost.


Question 5

Which Blob Storage feature ensures data is replicated to improve durability?

A. Indexing
B. Data redundancy options
C. Query optimization
D. Schema enforcement

Answer: B

Explanation:
Blob Storage uses redundancy options (e.g., LRS, GRS) to ensure durability.


Question 6

Which blob type is typically used for storing virtual machine disks?

A. Block blob
B. Append blob
C. Page blob
D. Archive blob

Answer: C

Explanation:
Page blobs support random read/write operations and are used for VM disks.


Question 7

Which scenario is BEST suited for Azure Blob Storage?

A. Running complex SQL queries
B. Storing large volumes of images for a website
C. Managing transactional order data
D. Performing real-time analytics

Answer: B

Explanation:
Blob Storage is ideal for storing large volumes of unstructured data like images.


Question 8

What is a container in Azure Blob Storage?

A. A type of blob
B. A virtual machine
C. A logical grouping of blobs
D. A database schema

Answer: C

Explanation:
Containers are used to organize blobs, similar to folders.


Question 9

Which feature allows secure, temporary access to Blob Storage resources?

A. SQL authentication
B. Shared Access Signature (SAS)
C. Primary key constraint
D. Indexing

Answer: B

Explanation:
SAS tokens provide secure, time-limited access to storage resources.


Question 10

Which statement best describes Azure Blob Storage?

A. It requires a predefined schema
B. It is used only for relational data
C. It is an object storage solution for unstructured data
D. It is a transactional database system

Answer: C

Explanation:
Blob Storage is an object storage service designed for unstructured data.


✅ Quick Exam Takeaways

✔ Blob Storage = unstructured/object storage
✔ Structure:

  • Storage Account → Container → Blob

✔ Blob types:

  • Block → general files
  • Append → logs
  • Page → VM disks

✔ Access tiers:

  • Hot (frequent access)
  • Cool (infrequent)
  • Archive (rare)

✔ Key features:

  • Scalable
  • Durable (replication)
  • Secure (SAS, RBAC)
  • Cost-optimized

Go to the DP-900 Exam Prep Hub main page.

Leave a comment