MCQs on Blob Storage Management and Operations | Azure Storage
Blob Storage in Azure is essential for scalable data management, providing functionalities like uploading, downloading, deleting, and handling large files with block blobs. These MCQs will test foundational skills in Blob Storage operations.
Blob Storage Management and Operations
Uploading, Downloading, and Deleting Blobs
- Which Azure service is primarily used for storing unstructured data like images and documents?
- A) Azure Blob Storage
- B) Azure SQL Database
- C) Azure Queue Storage
- D) Azure Event Hubs
- What is the basic unit of storage in Azure Blob Storage?
- A) Container
- B) Blob
- C) Folder
- D) Disk
- Which tool is commonly used to upload blobs to Azure Blob Storage?
- A) Azure CLI
- B) Visual Studio Code
- C) Power BI
- D) Microsoft Teams
- What is the maximum size of a single blob in Azure Blob Storage?
- A) 5 TB
- B) 100 GB
- C) 2 TB
- D) 1 PB
- Which of the following operations can you perform directly from the Azure portal?
- A) Uploading blobs
- B) Downloading blobs
- C) Deleting blobs
- D) All of the above
- In which scenario would you delete a blob in Azure Blob Storage?
- A) When you want to move it to another container
- B) When it is no longer needed
- C) To increase container size
- D) To enhance performance
- Which method is used to download a blob using Azure CLI?
- A)
az storage blob download - B)
az blob download - C)
az storage download - D)
az blob get
- A)
- How can you automate the deletion of blobs after a certain time?
- A) Using a lifecycle management policy
- B) By setting a deletion rule in the portal
- C) Through manual deletion only
- D) Via a SQL query
- Which Azure Storage tier is best for infrequent access to blobs?
- A) Hot
- B) Cold
- C) Archive
- D) Premium
- What role is required to delete a blob in a storage account?
- A) Reader
- B) Contributor
- C) Owner
- D) Blob Storage Data Contributor
Managing Large Files with Block Blobs
- What type of blob is recommended for storing large files?
- A) Append Blob
- B) Page Blob
- C) Block Blob
- D) Snapshot Blob
- What is the maximum size of a block within a block blob?
- A) 4 MB
- B) 100 MB
- C) 200 MB
- D) 256 MB
- How many blocks can a block blob contain?
- A) 50,000 blocks
- B) 10,000 blocks
- C) 1,000 blocks
- D) Unlimited
- Which command is used to upload large files in chunks to a block blob?
- A)
az storage blob upload-batch - B)
az storage blob upload-large - C)
az storage block upload - D)
az storage upload
- Which method is typically used to upload large files when you encounter size limitations?
- A) Append Blob Upload
- B) Block Blob Upload in chunks
- C) Single-blob Upload
- D) JSON File Upload
- How do you combine multiple blocks into a single block blob?
- A) Use
commitoperation - B) Use
finalizeoperation - C) Use
concatenateoperation - D) Use
mergeoperation
- If a large block blob upload fails, how can it be resumed?
- A) Re-upload the entire blob
- B) Resume from the failed block
- C) Use a retry policy for the container
- D) Start a new upload session
- When would you use the Append Blob type over Block Blob?
- A) When uploading sequential log data
- B) When dealing with large file uploads
- C) For storing frequently accessed images
- D) For snapshot backups
- Which of these options best describes the use case of a block blob?
- A) For small files under 1 MB
- B) For structured data storage
- C) For large, unstructured data storage
- D) For video streaming
- Which command allows uploading multiple blocks in parallel to improve upload speed?
- A)
az storage blob upload-batch - B)
az storage block upload - C)
az storage batch upload - D)
az blob parallel upload
Copying and Moving Blobs Between Containers
- What command in Azure CLI is used to copy blobs between containers?
- A)
az storage blob copy start - B)
az storage blob move - C)
az storage container copy - D)
az blob transfer
- Which operation can be used to replicate a blob in another container?
- A) Move
- B) Copy
- C) Archive
- D) Snapshot
- How would you move a blob from one container to another within the same account?
- A) Use the
copycommand and delete the source blob - B) Use
movecommand directly - C) Use
az storage blob transfer - D) Use
az storage container migrate
- Which of the following is required to copy a blob across Azure regions?
- A) Region replication
- B) Shared access signature (SAS) token
- C) Only the Blob URL
- D) Premium storage
- What happens to the source blob after a successful copy operation?
- A) It remains in the original container
- B) It is automatically deleted
- C) It is moved to the destination container
- D) It is archived
- What is required to create a copy of a blob in a different Azure subscription?
- A) Access to both subscriptions
- B) Only access to the destination subscription
- C) Only access to the source subscription
- D) No specific permissions
- Which type of blob snapshot allows you to create an immutable backup of a blob?
- A) Soft snapshot
- B) Hard snapshot
- C) Incremental snapshot
- D) Full snapshot
- Can you change a blob’s access tier while copying it to another container?
- A) Yes, during the copy operation
- B) No, it must remain the same
- C) Only for Archive tier blobs
- D) Only in the Premium tier
- Which command is best for transferring multiple blobs across containers?
- A)
az storage blob upload-batch - B)
az storage blob transfer - C)
az storage blob copy batch - D)
az container blob migrate
- What is a common use case for copying blobs between containers?
- A) Backup and redundancy
- B) Improving network latency
- C) Decreasing container storage limits
- D) To reduce storage costs
Answer Key
| Qno | Answer |
|---|---|
| 1 | A) Azure Blob Storage |
| 2 | B) Blob |
| 3 | A) Azure CLI |
| 4 | A) 5 TB |
| 5 | D) All of the above |
| 6 | B) When it is no longer needed |
| 7 | A) az storage blob download |
| 8 | A) Using a lifecycle management policy |
| 9 | C) Archive |
| 10 | D) Blob Storage Data Contributor |
| 11 | C) Block Blob |
| 12 | D) 256 MB |
| 13 | A) 50,000 blocks |
| 14 | A) az storage blob upload-batch |
| 15 | B) Block Blob Upload in chunks |
| 16 | A) Use commit operation |
| 17 | B) Resume from the failed block |
| 18 | A) When uploading sequential log data |
| 19 | C) For large, unstructured data storage |
| 20 | A) az storage blob upload-batch |
| 21 | A) az storage blob copy start |
| 22 | B) Copy |
| 23 | A) Use the copy command and delete the source blob |
| 24 | B) Shared access signature (SAS) token |
| 25 | A) It remains in the original container |
| 26 | A) Access to both subscriptions |
| 27 | D) Full snapshot |
| 28 | A) Yes, during the copy operation |