MCQs on Azure Managed Disk Advanced Features | Azure Disk Storage

Azure Managed Disk Advanced Features are essential for advanced disk management, providing capabilities like disk snapshots, shared disks for clustering, and disk cloning and replication. These features help optimize storage, ensure high availability, and simplify disaster recovery.

MCQs:

Section 1: Disk Snapshots

1. What is the primary use of a disk snapshot in Azure?
a) To increase disk performance
b) To create a backup of a virtual machine
c) To capture a point-in-time copy of a disk
d) To improve disk encryption

2. How is a disk snapshot different from a backup in Azure?
a) A snapshot is a real-time copy, while a backup is a periodic copy
b) A snapshot is a full backup
c) A snapshot is a copy of an entire virtual machine
d) A snapshot cannot be restored

3. Which of the following is required to create a disk snapshot in Azure?
a) A backup policy
b) A virtual machine
c) A managed disk
d) A storage account

4. How long does an Azure disk snapshot persist?
a) 7 days
b) Until deleted
c) 30 days
d) 365 days

5. Which of the following is true about Azure snapshots?
a) Snapshots are automatically taken on a schedule
b) Snapshots capture only the operating system disk
c) Snapshots can be used to restore data to a new disk
d) Snapshots can only be taken for Premium SSD disks

6. How can you restore a disk from a snapshot in Azure?
a) By attaching the snapshot to a new virtual machine
b) By creating a new disk from the snapshot
c) By deleting the snapshot and recovering the data
d) By transferring the snapshot to a storage account

7. What happens to an Azure disk when a snapshot is taken?
a) The disk is locked during the snapshot process
b) The disk is copied to a storage account
c) The disk is resized automatically
d) The snapshot only captures the disk’s metadata

8. Can you modify the contents of an Azure disk snapshot after it is created?
a) Yes, you can modify the snapshot directly
b) No, a snapshot is read-only
c) Yes, but only if the snapshot is restored to a new disk
d) No, but it can be deleted

9. Which Azure service can be used to automate the creation of disk snapshots?
a) Azure Automation
b) Azure Backup
c) Azure CLI
d) Azure Monitor

10. What is the maximum retention period for an Azure disk snapshot?
a) 30 days
b) 365 days
c) No limit
d) 90 days

Section 2: Azure Shared Disks for Clustering

11. What is the purpose of Azure Shared Disks in a clustering environment?
a) To increase disk encryption
b) To enable high availability and shared storage for clustered VMs
c) To reduce the cost of storage
d) To optimize disk performance

12. Which type of disk supports Azure Shared Disks?
a) Premium SSD
b) Standard HDD
c) Standard SSD
d) Managed disks

13. What is the maximum number of virtual machines that can simultaneously access an Azure Shared Disk?
a) 1
b) 2
c) 4
d) 16

14. What is required to set up Azure Shared Disks in a cluster?
a) A single virtual machine
b) A shared network storage device
c) A Windows Server Failover Cluster (WSFC) or a Linux cluster
d) A third-party storage solution

15. Which of the following is NOT a supported scenario for using Azure Shared Disks?
a) Windows Server Failover Cluster (WSFC)
b) Linux-based clustering solutions
c) High-performance computing (HPC) clusters
d) Simple single-node virtual machines

16. Can you attach an Azure Shared Disk to a virtual machine that is already running?
a) Yes, without any interruption
b) No, the VM must be stopped first
c) Yes, but only for read-only access
d) No, it can only be attached during the VM creation

17. Which disk types are supported by Azure Shared Disks for clustering?
a) Premium SSD and Standard SSD
b) Only Premium SSD
c) Standard HDD only
d) Only Standard SSD

18. How do Azure Shared Disks help with high availability?
a) They provide redundant storage automatically
b) They ensure disk data is replicated across multiple data centers
c) They allow multiple virtual machines to share access to the same disk
d) They enable real-time disk resizing

19. Can you use Azure Shared Disks with SQL Server Always On Availability Groups?
a) Yes, Azure Shared Disks are fully compatible with SQL Server AGs
b) No, Shared Disks are not supported with SQL Server AGs
c) Yes, but only with Premium SSD disks
d) No, you need a third-party clustering solution

20. How do you configure Azure Shared Disks for use with a cluster?
a) By using the Azure Portal only
b) By creating a disk and manually configuring it via PowerShell
c) By enabling the shared disk option during virtual machine creation
d) By using a supported cluster manager to configure shared access

Section 3: Disk Cloning and Replication

21. What is the main purpose of disk cloning in Azure?
a) To upgrade a disk to a higher tier
b) To replicate data for high availability
c) To create an identical copy of a managed disk for disaster recovery
d) To shrink a disk’s size

22. Which of the following tools can be used to clone a managed disk in Azure?
a) Azure PowerShell
b) Azure CLI
c) Azure Portal
d) All of the above

23. What happens when you clone a disk in Azure?
a) A new disk is created with the same data as the original disk
b) The original disk is deleted
c) Only the operating system is cloned
d) The disk’s encryption is automatically applied to the cloned disk

24. Can a disk be cloned while it is attached to a virtual machine?
a) Yes, without any issues
b) No, the disk must be detached from the virtual machine
c) Yes, but only in read-only mode
d) No, the disk must be backed up first

25. What is the primary benefit of using disk replication in Azure?
a) It reduces storage costs
b) It enables automatic resizing of disks
c) It provides redundancy and ensures high availability for virtual machines
d) It reduces the time needed to provision disks

26. Which Azure feature supports automatic disk replication for disaster recovery?
a) Azure Site Recovery
b) Azure Backup
c) Azure Disk Replication Service
d) Azure Storage Accounts

27. How does Azure replicate disks for high availability?
a) By using storage replication to duplicate data across regions
b) By cloning the disk to another storage account
c) By creating backups at regular intervals
d) By manually copying disk data between virtual machines

28. Can disk replication be configured on unmanaged disks in Azure?
a) Yes, only unmanaged disks support replication
b) No, disk replication is supported only for managed disks
c) Yes, but it requires third-party tools
d) No, disk replication is not available

29. What is the maximum replication latency supported by Azure Disk Replication?
a) 1 second
b) 5 minutes
c) 1 minute
d) Azure does not have a replication latency limit

30. Which of the following is a use case for Azure disk cloning and replication?
a) Disaster recovery and high availability
b) Disk resizing
c) Reducing storage costs
d) Optimizing network performance

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Answers:

Qno	Answer (Option with Text)
1	c) To capture a point-in-time copy of a disk
2	a) A snapshot is a real-time copy, while a backup is a periodic copy
3	c) A managed disk
4	b) Until deleted
5	c) Snapshots can be used to restore data to a new disk
6	b) By creating a new disk from the snapshot
7	a) The disk is locked during the snapshot process
8	b) No, a snapshot is read-only
9	b) Azure Backup
10	c) No limit
11	b) To enable high availability and shared storage for clustered VMs
12	d) Managed disks
13	b) 2
14	c) A Windows Server Failover Cluster (WSFC) or a Linux cluster
15	d) Simple single-node virtual machines
16	b) No, the VM must be stopped first
17	a) Premium SSD and Standard SSD
18	c) They allow multiple virtual machines to share access to the same disk
19	a) Yes, Azure Shared Disks are fully compatible with SQL Server AGs
20	c) By enabling the shared disk option during virtual machine creation
21	c) To create an identical copy of a managed disk for disaster recovery
22	d) All of the above
23	a) A new disk is created with the same data as the original disk
24	b) No, the disk must be detached from the virtual machine
25	c) It provides redundancy and ensures high availability for virtual machines
26	a) Azure Site Recovery
27	a) By using storage replication to duplicate data across regions
28	b) No, disk replication is supported only for managed disks
29	b) 5 minutes
30	a) Disaster recovery and high availability