AZ-900 Azure Storage Services 3 — Questions and Answers
Question 1: Which type of Azure Blob is optimized for append operations, such as logging data?
- Block blob
- Append blob (Correct answer)
- Page blob
- Snapshot blob
Correct answer: Append blob
Append blobs are optimized for append operations, making them ideal for logging scenarios.
Question 2: Which Azure Storage service stores structured NoSQL data as key-attribute pairs?
- Azure Blob Storage
- Azure Files
- Azure Table Storage (Correct answer)
- Azure Queue Storage
Correct answer: Azure Table Storage
Azure Table Storage stores large amounts of structured NoSQL data using key-attribute pairs.
Question 3: What is the main purpose of Azure Queue Storage?
- Storing large files
- Hosting relational databases
- Storing and retrieving messages between application components (Correct answer)
- Serving static websites
Correct answer: Storing and retrieving messages between application components
Azure Queue Storage stores large numbers of messages for asynchronous communication between components.
Question 4: Which Azure feature provides delegated, time-limited access to storage resources without sharing account keys?
- Shared Access Signature (SAS) (Correct answer)
- Network Security Group
- Azure Policy
- Management Group
Correct answer: Shared Access Signature (SAS)
A Shared Access Signature grants limited, time-bound access to storage resources without exposing account keys.
Question 5: What type of storage is used for the operating system and data disks of Azure virtual machines?
- Azure Files
- Azure Blob Storage
- Azure Disk Storage (Correct answer)
- Azure Queue Storage
Correct answer: Azure Disk Storage
Azure Disk Storage provides managed disks used as OS and data disks for virtual machines.
Question 6: Which redundancy option combines zone redundancy in the primary region with geo-replication to a secondary region?
- LRS
- ZRS
- GZRS (Correct answer)
- GRS
Correct answer: GZRS
Geo-zone-redundant storage (GZRS) combines zone redundancy locally with geo-replication to a secondary region.
Question 7: What is required to access data stored in the Archive access tier?
- Nothing, it is instantly available
- Rehydration to an online tier (Correct answer)
- A premium subscription
- A virtual machine
Correct answer: Rehydration to an online tier
Archive tier data must be rehydrated to the Hot or Cool tier before it can be read.
Which type of Azure Blob is optimized for append operations, such as logging data?