MCQs on Disk Performance and Sizing | Azure Disk Storage
Mastering disk performance and sizing in Azure is critical for efficient cloud storage management. This set of 30 multiple-choice questions covers Azure disk storage performance tiers, IOPS, throughput, latency considerations, and selecting the appropriate disk for workloads.
Performance Tiers and Throughput
- Which Azure disk performance tier provides the highest throughput?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - What is the maximum throughput for an Azure Premium SSD disk?
a) 100 MB/s
b) 500 MB/s
c) 2,000 MB/s
d) 4,000 MB/s - Which disk type should be used for I/O intensive applications in Azure?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which of the following performance tiers is designed for heavy, transactional workloads in Azure?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - What does “throughput” in the context of Azure disk storage refer to?
a) The maximum number of operations per second
b) The total amount of data that can be read or written per second
c) The time taken to read or write data
d) The size of the disk - Which disk type in Azure is best suited for low-cost, high-capacity storage with moderate performance?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - What is the maximum throughput of an Azure Ultra SSD disk?
a) 1,000 MB/s
b) 2,000 MB/s
c) 4,000 MB/s
d) 8,000 MB/s - How does the throughput of an Azure disk affect application performance?
a) It determines how fast data can be accessed and processed
b) It defines how much data can be backed up
c) It specifies the cost of the storage
d) It impacts the reliability of the data - For workloads requiring high throughput and low latency, which Azure disk should be selected?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which Azure disk performance tier offers the lowest cost per GB?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD
IOPS, Throughput, and Latency Considerations
- What does IOPS stand for in the context of Azure disk performance?
a) Input-Output per Second
b) Input-Operation per Second
c) Internet Operation per Second
d) Input Output for Storage - Which of the following affects the latency of an Azure disk?
a) Disk type
b) Disk size
c) Network connectivity
d) All of the above - What is the maximum IOPS for a single Azure Premium SSD disk?
a) 1,500 IOPS
b) 20,000 IOPS
c) 40,000 IOPS
d) 80,000 IOPS - Which disk type would be ideal for applications with high IOPS requirements?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - How does latency affect the performance of Azure disk storage?
a) It determines how fast data can be read from or written to the disk
b) It determines the overall cost of disk storage
c) It measures the reliability of data storage
d) It affects the number of operations per second - Which of the following Azure disk types provides the lowest latency?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - What is the primary factor that impacts IOPS performance in Azure disk storage?
a) The number of CPU cores in a VM
b) The disk type and size
c) The number of VMs in a region
d) The bandwidth of the network - What does the “bursting” feature in Azure disk storage refer to?
a) The ability to temporarily increase throughput and IOPS above the maximum limit
b) The ability to recover data from disk failures
c) The ability to reduce disk size without downtime
d) The ability to replicate data to multiple regions - What is the expected latency range for an Azure Ultra SSD disk?
a) 5-10 milliseconds
b) 1-3 milliseconds
c) 20-50 milliseconds
d) 50-100 milliseconds - Which disk type in Azure offers a good balance of IOPS, throughput, and latency for general-purpose workloads?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD
Selecting the Right Disk for Workloads
- Which disk type is the best choice for high-volume transactional workloads such as databases?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which disk is ideal for cost-effective development and testing workloads that do not require high performance?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which disk performance tier in Azure should be selected for workloads that require both high IOPS and low latency?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - For large-scale data warehousing workloads in Azure, which disk type is most appropriate?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which of the following disk types would be best suited for workloads requiring high throughput and minimal latency, such as real-time analytics?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - For a web application requiring quick access to data with moderate IOPS, which Azure disk would be suitable?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - Which disk type would be most appropriate for archiving large amounts of infrequently accessed data?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - For high-performance virtual machines with intensive I/O demands, which disk type is recommended?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - If an application requires significant read/write operations with moderate throughput, which Azure disk should be used?
a) Standard HDD
b) Standard SSD
c) Premium SSD
d) Ultra SSD - When selecting a disk for a workload with high availability requirements, which Azure disk feature is most important?
a) Maximum throughput
b) High IOPS performance
c) Disk replication and redundancy
d) Low cost per GB
Answer Key:
| Qno | Answer |
|---|---|
| 1 | c) Premium SSD |
| 2 | c) 2,000 MB/s |
| 3 | c) Premium SSD |
| 4 | c) Premium SSD |
| 5 | b) The total amount of data that can be read or written per second |
| 6 | a) Standard HDD |
| 7 | c) 4,000 MB/s |
| 8 | a) It determines how fast data can be accessed and processed |
| 9 | d) Ultra SSD |
| 10 | a) Standard HDD |
| 11 | a) Input-Output per Second |
| 12 | d) All of the above |
| 13 | b) 20,000 IOPS |
| 14 | c) Premium SSD |
| 15 | a) It determines how fast data can be read from or written to the disk |
| 16 | d) Ultra SSD |
| 17 | b) The disk type and size |
| 18 | a) The ability to temporarily increase throughput and IOPS above the maximum limit |
| 19 | b) 1-3 milliseconds |
| 20 | c) Premium SSD |
| 21 | c) Premium SSD |
| 22 | a) Standard HDD |
| 23 | d) Ultra SSD |
| 24 | c) Premium SSD |
| 25 | d) Ultra SSD |
| 26 | b) Standard SSD |
| 27 | a) Standard HDD |
| 28 | c) Premium SSD |
| 29 | b) Standard SSD |
| 30 | c) Disk replication and redundancy |