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azure fundamentals > Azure Storage Services > Flashcards

Azure Storage Services Flashcards

1
Q

T or F

With storage accounts in Azure a unique namespace is created

A

True

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2
Q

T or F

No two storage accounts can have the same name

A

True

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3
Q

T or F

Azure Storage always stores multiple copies of your data so that it’s protected from planned and unplanned events

A

True

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4
Q

Redundancy ensures what for your storage account

A

that it meets availability and durability targets even in the face of failures

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5
Q

Redundancy in the primary region

A

storage account is always replicated 3 times

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6
Q

What are the two options for how your data is replicated in the primary region?

A

LRS - locally redundant storage
ZRS - zone redundant storage

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7
Q

LRS - local redundant storage

A

replicates your data 3X within a single data center in the primary region

provides 11 nines of durability (99.999999999%) over a year

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8
Q

T or F

LRS is the lowest cost redundancy option and offers the least durability

A

True

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9
Q

T or F

LRS is good for drive failures but lacks when it comes to a fire or flooding event

A

True.

All data may not be unrecoverable in the even of a fire or flooding

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10
Q

T or F

Zone redundant storage replicates your Azure Storage data synchronously across three Azure availability zones in the primary region

A

True

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11
Q

What’s the durability rate for ZRS in a given year?

A

12 nines.

99.9999999999%

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12
Q

How many availability zones does ZRS replicate your data to?

A

three

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13
Q

T or F

With ZRS your data is still accessible for both read and write even if a zone becomes unavailable.

A

True

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14
Q

T or F

Microsoft recommends using ZRS for primary regions for scenarios that require high availability

A

True

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15
Q

T or F

If you chose to have your data copied to the second region, it will be durable even in the event of a catastrophic failure

A

True

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16
Q

T or F

the secondary region is based on Azure Region pairs and can’t be changed

A

True

17
Q

What are the two storage options for secondary regions?

A

geo redundant storage (GRS) - similar to LRS

geo zone redundant storage (GZRS) - similar to ZRS

18
Q

GRS

A

copies data 3X in primary region then copies data to a single physical location in secondary region

19
Q

GZRS

A

data is copied 3X across 3 availability zones in primary region & is also replicated to secondary region, using LSR for protection

20
Q

Read accesses to data in GRS and GZRS

A

read only

21
Q

Azure Storage platforms

A

Azure Blobs
Azure Files
Azure Queues
Azure Disks
Azure Tables

22
Q

Benefits of Azure Storage

A

Durable and highly available
Secure
Scalable
Managed
Accessible

23
Q

Azure Blobs

A

object storage solution.
store massive amounts of data
no restrictions to the type of data it can hold
can be reached from anywhere with an internet connection via HTTP or HTTPS

24
Q

Blob storage is ideal for

A

serving images or documents directly to browser

storing files for distributed access

streaming video and audio

storing data for backup and restore, disaster recovery, and archiving

storing data for analysis by an on premises or Azure hosted service

25
Q

Access tiers for Blob

A

Hot access - regularly accessed

cool access - infrequently access and stored for at least 30 days

cold access - infrequently accessed and stored for at least 90 days

archive access - rarely accessed and stored for at least 180 days with flexible latency requirements

26
Q

Azure Files key benefits

A

shared access

fully managed

scripting and tooling

resiliency

familiar programmability

27
Q

Azure Queues

A

service for storing large numbers of messages.

can be accessed from anywhere in the world via authenticated calls using HTTP or HTTPS

28
Q

Azure Disks

A

block level storage volumes managed by Azure for use with Azure VMs

29
Q

Azure Tables

A

store large amounts of structured data

NoSQL datastore that accepts authenticated calls from inside and outside the Azure cloud

30
Q

Azure Migration

A

helps you migrate from an on premises environment to the cloud

31
Q

Azure Migrations provides the following

A

Unified migration platform

range of tools

assessment and migration

32
Q

Integrated tools for Azure Migrate

A

Discovery and assessment
Server migration
Data Migration Assistant
Migration Service
Azure App Service migration assistant
Azure Data Box

33
Q

Azure Data Box

A

physical migration service that helps transfer large amounts of data in a quick, inexpensive, and reliable way

34
Q

AZCopy

A

command line utility that you can use to copy blobs or files to or from your storage account

35
Q

Azure Storage Explorer

A

standalone app that provides a graphical interface to manage files and blobs

36
Q

Azure File Sync

A

a tool that lets you centralize your file shares and keep flexibility, performance, and compatibility

37
Q

Which tool automatically keeps files between an on premises Windows server and an Azure cloud enviornment?

A

Azure File sync

38
Q

Which storage redundancy option provides the highest degree of durability, with 16 nines of durability?

A

Geo-zone-redundant-storage

39
Q

Which Azure storage service supports big data analytics, as well as handling text and binary types?

A

Azure Blobs

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