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AZ 104 > Implement and manage storage > Flashcards

Implement and manage storage Flashcards

1
Q

What storage type would you store a VM Image on?

A

Blob Storage

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2
Q

What is the protocol port used for SMB?

A

Port 445

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3
Q

What dose SMB stand for?

A

Server Message Block

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4
Q

What is SMB?

A

The Server Message Block (SMB) protocol is a client-server communication protocol that is used for shared access to files on a network.

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5
Q

What is a blob data protection?

A

Data protection is another way to manage data in Azure Blobs. Using things like
- blob versioning
- blob soft deletes
- backups
- restore points

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6
Q

What is Access Keys?

A

A secure way to give someone access to your storage account instead of using an account

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6
Q

What are three points to remember about Access Keys?

A

Access keys are mainly used in Azure Storage Explorer.
You get two access keys per storage account
It will limits access to just one storage account

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6
Q

What dose SAS stand for?

A

Shared access signatures

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6
Q

What is SAS?

A

SAS is similar to access keys but allows you to customize your access.

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6
Q

What are features you can configure using SAS?

A

RW/RO
Expire time
Allowed IP addresses
Protocols (HTTP or HTTPS)

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6
Q

How dose SAS access work?

A

The SAS token will generate a URL and token for access (this will use of the access keys for this). This help limit access to your files rather than using URLs with no permissions.

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7
Q

What is General Purpose v2?

A

This is the generally available default option used for any new storage accounts. It offers all data services with all options for replication and access tiers where available.

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8
Q

What is General Purpose v1?

A

It provides all the data services like General Purpose v2 but does not have all the replication options or access tiers.

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9
Q

What is premium block blob?

A

Premium storage account type for block blobs and append blobs. Recommended for scenarios with high transaction rates or that use smaller objects or require consistently low storage latency.

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10
Q

What is premium file shares?

A

Premium storage account type for file shares only. Recommended for enterprise or high-performance scale applications.

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11
Q

What is premium page blobs?

A

Premium storage account type for page blobs only.

12
Q

What is Azure Blobs?

A

Blobs are unstructured data such as image, text or binary data files

13
Q

What are the three types of Azure Blobs?

A

Block Blobs
Page Blobs
Append Blob

14
Q

What is Block Blobs?

A

Block Blobs are the default blob type used for file storage, great for static content, for example, image or text files. That are not likely to be updated frequently.

15
Q

What is Page Blobs?

A

Page Blobs are used for unmanaged VM disks. Page blobs were designed for storing disks images either as a template or active disk.

16
Q

What is Append Blob?

A

Append Blob are optimised for logging, this type of blob storage allows for additional information to be added to the blobs when additional information is appended to the files.

17
Q

What is Azure Files?

A

Azure Files allow you to setup SMB (Server Message Block) within your Azure subscription, this allows multiple VMs to access to the files at the same time.

18
Q

What is Azure Queue Service?

A

The Azure queues service is used for storing queue messages, which are up to 64KB in size. These are stored in the queue to be proceed one at a time. They are commonly used for PaaS (Platform-as-a-Service) that required message queues for processing data, like for websites or hosted applications.

19
Q

What are Tables used for?

A

Tables are used to store structed data in a NoSQL database. This is ideal for storing large amounts of data the you need access to quickly.

20
Q

What are the 4 types of storage replication

A

Locally redundant storage (LRS)
Zone-redundant storage (LRS)
Geo-redundant storage (GRS)
Read-Access Geo-redundant storage (RA-GRS)

21
Q

What is Locally redundant storage (LRS)?

A

Synchronously replicates data to three disks within a data centre in the primary region. Offers a moderate level of availability at a lower cost.

22
Q

What is Zone-redundant storage (LRS)?

A

Synchronously replicates data among three Azure availability zones in the primary region. Provides a higher level of resilience at higher cost.

23
Q

What is Geo-redundant storage (GRS)?

A

Stores another three copies of data in a paired Azure region.

24
Q

What is Read-Access Geo-redundant storage (RA-GRS)?

A

Same as GRS, but allows data to be read from both Azure regions

25
Q

What are the 3 storage access tiers?

A

Hot
Cool
Archive

26
Q

What is the Hot access tier?

A

If the data is in use continually or accessed frequently it is the correct tier for your data, but it will cost more to store here due to how often you’re accessing the data

27
Q

What is the Cool access tier?

A

Cool tiers are designed for data less frequently accessed, stored for the short to medium term. This could be recent backups, DR information, or files read on a reduced frequency.

28
Q

What is the Archive access tier?

A

This tier is perfect for long-term backups and archived datasets that need to be kept but do not require immediate access. To access these blobs, they need to be converted back to hot or cold storage through the rehydration process. This can take up to 15 hours.

29
Q

Where do you customize network connections with storage accounts

A

Networking

30
Q

When doing a live migration what account storage replication options are supported?

A

LRS and GRS only
If you use anything else in needs to be converted first before the live migration

31
Q

What is Managed identities?

A

This is a better alternative for developers who use secrets, credentials, certificates, and keys for secure communication between services.

AZ 104 (7 decks)

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