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AZ900 > Azure Storage > Flashcards

Azure Storage Flashcards

Learn about how Azure stores and manages its data, including types of file structures, redundant storage, storage accounts, file transfers and more.

1
Q

What is a Storage Account?

A

A resource in azure that is used to store data and provide storage services. It can store data in blobs, files, queues and tables.

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2
Q

What is a Container in terms of storage not resources?

A

They allow you to upload and store data. It allows you to change the access tier of the uploaded data in said container.

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3
Q

What are the 4 types of redundant storage?

A

Locally-redundant storage
Geo-redundant storage
Zone-redundant storage
Geo-zone-redundant storage

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4
Q

What is Locally-redundant storage (LRS)?

A

The lowest cost option of redundant storage, with basic protection servers going down. Data is storage in one place. Recommended for non critical scenarios.

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5
Q

What is Geo-redundant storage (GRS)?

A

A storage option with secondary storage in another region to prevent services from going down when one region servers go down. Recommended for backup scenarios.

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6
Q

What is Zone-redundant storage (ZRS)?

A

A storage option where data is stored in multiple datacentres in an availability zone to prevent the services from going down when one of said datacentres goes down. Recommended for high availability scenarios.

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7
Q

What is Geo-zone-redundant storage (GZRS)?

A

A storage option that stores data in multiple regions, and multiple datacentres within a zone. Offers GRS and ZRS. Optimal, but most cost heavy.

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8
Q

What are the main types of storage in Azure Storage Services?

A

Container/Blob storage
Disk storage
File storage

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9
Q

What is Container/Blob storage?

A

Storage for unstructured data.

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10
Q

What is Disk Storage

A

Storage on disks used by VMs, applications and other services to persistantly access and use.

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11
Q

What is Azure Files?

A

Storage for files shared virtually. Used for highly available network files.

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12
Q

What are the three Azure storage access tiers?

A

Hot
Cool
Archive

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13
Q

Describe the Hot azure storage access tier.

A

Tier for frequently used data that is used and accessed a lot. It costs the most out of the tiers.

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14
Q

Describe the Cool azure storage access tier.

A

Stores data that is infrequently accessed. and stored for at least 30 days. This tier has the middle cost.

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15
Q

Describe the Archive azure storage access tier.

A

Tier for storing data that is barely used or accessed. For data that you are just hanging onto. Has the Lowest cost and incredibly flexible latency. For data that accessed every 180 days.

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16
Q

What is Azure Migate?

A

A unified migration platform for simplified migration, modernization and optimization of services for azure.

17
Q

TRUE OR FALSE: Azure Migrate is free.

A

TRUE
It is free

18
Q

What is Azure Data Box?

A

A cloud solution that lets you send mass amounts of data into and out of Azure in a quick and reliable way all at one.

19
Q

How much can Azure Data box store at once?

A

80 Terabytes of data

20
Q

What are some use cases for Azure Data Box import?

A
  1. Onetime migration of on prem to azure
  2. Initial Bulk transfers of historical data to new azure solutions followed by incremental data
  3. Periodic uploads of data that is generated regularly and stored on prem but need to be moved to azure
21
Q

What are some use cases for Azure Data Box export?

A
  1. Disaster recovery when your azure solution must be restored to on prem
  2. Data moved to on prem to meet security requirements of specific sensitive data that can’t be stored on the cloud
  3. Migrate back to on prem or potential to another cloud service provider
22
Q

What are the benefits of Azure Data Box?

A

It is quick
It is secure

23
Q

What is Azure Data Box Heavy?

A

A version of Azure Data Box that can sent much more data (Hundreds of TBs) between Azure and On prem.

24
Q

What is the process of uploading data to Azure using Azure Data Box?

A

A storage device is sent to you, which you fill with your on prem data (Copy the data from your physcial servers onto the storage device) and send back to Microsoft for upload.

25
Q

How much can Azure Data Box Heavy store at once?

A

1PB of data

26
Q

How much can Azure Data Box Disk store at once?

A

1~5 SSDs with 8 TB storage each.

27
Q

What are the four types of Azure Data Box?

A

Azure Data Box
Azure Data Box Disk
Azure Data Box Heavy
Azure Data Box Gateway

28
Q

What are the 3 types of file management options in Azure?

A

AzCopy
Azure Storage Explorer
Azure File Sync

29
Q

What are the features of AzCopy?

A
  1. Command line utility
  2. Copy, import and upload files/blobs to and from storage accounts
  3. One directional synchronization
30
Q

What are the features of Azure Storage Explorer?

A
  1. GUI like windows explorer
  2. Compatible with Windows, MacOS and Linux
  3. Uses AzCopy to handle operations (So it uses the features of AzCopy)
31
Q

What are the features of Azure File Sync?

A
  1. Bidirectional synchronization of files from azure to on premises files
  2. Cloud tiering keeps frequently accessed files local and closer compared to less used files (Increases speed)
  3. Rapid re-provisioning when local servers fail (install and resync files that it lost)
32
Q

What does One-directional synchronization mean?

A

When files are set up to sync from one storage location to another but in only one direction e.g. On prem copies files to Cloud, but Cloud does not copy files to On prem.

33
Q

What does Bidirectional synchronization

A

When files are set up to fully sync between two storage locations in both directions e.g. Cloud and On prem are synced with same data/files.

34
Q

What is Azure Data Box Gateway?

A

It is version of Azure data box that allows you to transfers data virtual between on prem and the cloud. It uses a specifically provisioned VM with a virtual storage device on your env to transfer to and from.

35
Q

What are the two protocols for azure file sharing?

A

Server Message Block (SMB)
Network File System (NFS)

36
Q

What is Server Message Block (SMB)?

A
37
Q

What are the differences between SMB and NFS file sharing?

A
  1. SMB is more secure
  2. SMB is not case sensitive, while NFS is (Makes NFS easier to search in)
  3. SMB is best for Windows envs, NFS is best for Linux envs
  4. NFS uses TCP/IP protocol, while SMB only uses TCP

AZ900 (12 decks)

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