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AZ-900 > Describe the core architectural components of Azure > Flashcards

Describe the core architectural components of Azure Flashcards

1
Q

It is a geographical area on the planet that contains at least one but potentially multiple datacenters that are nearby and networked together with a low-latency network.

A

Azure region

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2
Q

True or false.

When deploying a resource in Azure, you’ll often need to choose the region where you want your resource deployed.

A

TRUE

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3
Q

Name a few examples of Azure regions

A 
West US
Canada Central
West Europe
Australia East
Japan West.
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4
Q

What are some special Azure regions in the US?

A

US DoD Central
US Gov Virginia
US Gov Iowa

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5
Q

These regions are available through a unique partnership between Microsoft and 21Vianet, whereby Microsoft doesn’t directly maintain the datacenters.

A

China East

China North

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6
Q

Define special Azure regions

A

These are regions that you might want to use when you build out your applications for compliance or legal purposes.

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7
Q

What is an availability zone?

A

Availability zones are physically separate datacenters within an Azure region.

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8
Q

How are availability zones connected?

A

Through high-speed, private fiber-optic networks.

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9
Q

Why is it said that an availability zone is set up to be an isolation boundary?

A

If one zone goes down, the other continues working.

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10
Q

True or False

Every region has support for availability zones.

A

FALSE

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11
Q

Is it cheaper to use availability zones?

A

NO

There could be a cost to duplicating your services and transferring data between zones.

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12
Q

What are availability zones mainly used for?

A

VMs
Managed disks
Load balancers
SQL databases.

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13
Q

…is a unique physical building that contains thousands of physical servers with it’s own power, cooling and networking infrastructure.

A

Azure data center

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14
Q

These Azure services don’t require you to select a particular region.

A

Azure Active Directory

Azure Traffic Manager

Azure DNS

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15
Q

Why are regions important?

A

Global regions provide better scalability and redundancy.

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16
Q

They preserve data residency for your services

A

Azure regions

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17
Q

TRUE / FALSE

There must be a minimum of 3 availability zones within a single region

A

TRUE

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18
Q

What is a region pair?

A

Each Azure region is always paired with another region within the same geography (such as US, Europe, or Asia) at least 300 miles away.

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19
Q

Interruptions because of events such as natural disasters, civil unrest, power outages, or physical network outages can be reduced by:

A

Azure region pairing

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20
Q

TRUE / FALSE

Regarding region pairs:
Data continues to reside within the same geography as its pair (except for Brazil South) for tax- and law-enforcement jurisdiction purposes.

A

TRUE

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21
Q

What is the main advantage of having a broadly distributed set of datacenters?

A

High guarantee of availability!

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22
Q

A manageable item that’s available through Azure. Virtual machines (VMs), storage accounts, web apps, databases, and virtual networks are examples of it.

A

Resource

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23
Q

A container that holds related resources for an Azure solution.

A

Resource group.

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24
Q

It is a logical container for resources deployed on Azure.

A

Resource group

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25
Q

TRUE / FALSE

All resources must be in a resource group.

A

TRUE

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26
Q

TRUE / FALSE

A resource can only be a member of a single resource group.

A

TRUE

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27
Q

TRUE / FALSE

Resource groups can be nested

A

FALSE

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28
Q

TRUE / FALSE

Resources can be moved between resource groups.

29
Q

Before any resource can be provisioned, you need a “ “ for it to be placed in.

A

resource group

30
Q

…exist to help manage and organize your Azure resources.

A

Resource groups

31
Q

TRUE / FALSE

If you delete a resource group, all resources contained within it are also deleted.

32
Q

Organizing resources by life cycle can be useful in…

A

nonproduction environments

33
Q

Wat is RBAC?

A

Role-based access control

34
Q

By applying “ “ permissions to a resource group, you can ease administration and limit access to allow only what’s needed

35
Q

What is Azure Resource Manager?

A

It is the deployment and management service for Azure.

36
Q

It provides a management layer that enables you to create, update, and delete resources in your Azure account.

A

Azure Resource Manager

37
Q

What are some ARM management features to secure and organize your resources after deployment.

A

Access control

Locks

Tags

38
Q

TRUE / FALSE

All requests between ARM and Azure services are handled through the same API.

39
Q

All capabilities that are available in the Azure portal are also available through:

A

Azure PowerShell

Azure CLI

REST APIs

Client SDKs

40
Q

What type of file is a Resource Manager template?

41
Q

TRUE / FALSE

With ARM, you can manage your infrastructure through declarative templates rather than scripts

42
Q

What is a benefit of using ARM?

A

Deploy, manage, and monitor all the resources for your solution as a group, rather than handling these resources individually.

43
Q

With “ “ you can apply tags to resources to logically organize all the resources in your subscription.

44
Q

TRUE / FALSE

With ARM you can view costs for a group of resources that share the same tag

45
Q

What is the most basic thing you need to be able to use Azure?

A

An Azure subscription

46
Q

It is a logical unit of Azure services that links to an Azure account

A

Azure subscription

47
Q

Can an Azure account have multiple subcriptions?

A

Yes, and these subscriptions can have different billing models and different access-management policies.

48
Q

Which are the two types of boundaries that you can use around Azure products, services and resources?

A

Billing boundary

Access control boundary

49
Q

TRUE / FALSE

Azure generates separate billing reports and invoices for each subscription so that you can organize and manage costs.

50
Q

What is a billing boundary?

A

This subscription type determines how an Azure account is billed for using Azure.

51
Q

TRUE / FALSE

you can create separate subscriptions to reflect different organizational structures.

52
Q

What is an access control boundary?

A

Azure applies access-management policies at the subscription level.

53
Q

This billing model allows you to manage and control access to the resources that users provision with specific subscriptions.

A

Access control boundary

54
Q

You can create additional subscriptions to separate:

A

Environments

Organizational structures

Billing

55
Q

I want 15 Azure ExpressRoute circuits, what do i need to do?

A

Create two Azure subscriptions since you can only have 10 circuits per sub.

56
Q

TRUE / FALSE

You can set up multiple invoices within the same billing account.

A

TRUE

You need to create additional billing profiles

57
Q

It is the highest in the billing hierarchy

A

Billing account

58
Q

TRUE / FALSE

A billing account can have multiple billing profiles

59
Q

…provide a level of scope above subscriptions.

A

Azure management groups

60
Q

TRUE / FALSE

All subscriptions within a management group automatically inherit the conditions applied to the management group.

61
Q

TRUE / FALSE

An Azure management group can have multiple management groups

62
Q

TRUE / FALSE

An Azure management group can have multiple subscriptions

63
Q

You can use a “ “ to provide user access to multiple subscriptions.

A

Management group

64
Q

What happens if you create a RBAC assignment on a management group?

A

That access will be inherited to all the subscriptions below that management group.

65
Q

TRUE / FALSE

10,000 management groups can be supported in a single directory.

66
Q

TRUE / FALSE

A management group tree can support up to five levels of depth. This limit doesn’t include the root level or the subscription level.

A

FALSE

It can support up to six levels.

67
Q

TRUE / FALSE

Each management group and subscription can support only one parent.

68
Q

TRUE / FALSE

All subscriptions and management groups are within a single hierarchy in each directory.

AZ-900 (9 decks)

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