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AZ-900 > MS > Flashcards

MS Flashcards

1
Q

______ are physically separate datacenters within an azure region

1.Availability zones
2.Geographies
3.Region pairs

A

*Availability zones

Availability zones are physically separate datacenters within an azure region. Each availability zone is made up one or more datacenters equipped with independent power, cooling and networking.

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2
Q

In a region pair, a region is paired with another region in the same _____

1.Availability Zone
2.Datacenter
3.Geography

A

*Geography

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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3
Q

Which two components are created in an Azure subscription?

1.Microsoft Entra user accounts
2.Management groups
3.Resource groups
4.Resources

A

*Resource groups
*Resources

Resources can only be associated with a single subscription. Subscriptions may be grouped into management groups. An account may be associated with multiple subscriptions.

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4
Q

What is an azure storage account named storage001 an example of?
1.A resource
2.A resource group
3.A resource manager

A

*A resource

A resource is manageable item that is available through azure. Virtual machines, storage accounts, web apps, databases and virtual networks are examples of resources.

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5
Q

For which resource does azure generate separate billing reports and invoices by default?
1.Accounts
2.Management groups
3.Resource groups
4.Subscriptions

A

*Subscriptions

Azure generates separate billing reports and invoices for each subscription so that you can organize and manage costs. Resource groups can be used to group costs, but you will not receive a separate invoice for each resource group. Management groups are used to efficiently manage access, policies, and compliance for subscriptions. You can set up billing profiles to roll up subscriptions into invoice sections.

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6
Q

Which azure component allows you to replicate resources across a geography to ensure business continuity during a natural disaster at the primary site?

1.Availability sets
2.Availability zones
3.Azure virtual machine scale sets
4.Region pairs

A

*Region pairs

Region pairs allow the replication of Azure resources across geographies to help ensure that a secondary region is available in case of any disaster at the primary region

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7
Q

What can you use to connect azure resources such as Azure SQL databases, to an azure virtual network?
1.ExpressRoute
2.Network security groups
3.Peering
4.Service endpoints

A

*Service endpoints

Service endpoints are used to expose azure services to a virtual network providing communication between the two. Express Route is used to connect an on-premises network to azure. NSGs allow you to configure inbound and outbound rules for virtual networks and virtual machines. Peering allows you to connect virtual networks together.

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8
Q

How often should the Hot storage tier be accessed?

1.frequently
2.occasionally/ stored for at least 30 days
3.every 30 daysRarely accessed

A

Accessed frequently

Hot tier is optimized for storing data that is accessed frequently

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9
Q

How often should the Cool storage tier be accessed?

1.Everyday
2.Every 90 days
3.frequently
4.infrequently accessed/ stored for at least 30 days

A

Infrequently accessed and stored for at least 30 days

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10
Q

How often should the Cold storage tier be accessed?1.Frequently
2.Occasionally
3.Infrequently/stored for at least 30 days
4.Infrequently/stored for at least 90 days

A

Infrequently/stored for at least 90 days

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11
Q

How often should the Archive storage tier be accessed?1.Frequently
2.Never
3.Infrequently/Stored for at least 90 days
4.Infrequently/Stored for at least 180 days with flexible latency req.

A

Infrequently/Stored for at least 180 days with flexible latency req.

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12
Q

Which two characteristics are common advantages of cloud computing?
1.elimination of horizontal scaling
2.geo-distribution
3.high availability
4.Physical access to servers
5.SaaS

A

*geo-distribution
*high availability

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13
Q

Which two services can you use to establish network connectivity between an on-premises network and azure resources?
1.Azure bastion
2.Azure firewall
3.Azure vpn gateway
4.Expressroute

A

*Azure vpn gateway
*ExpressrouteExpressroute

connections and azure vpn gateway are two services that you can use to connect an on prem network to azure. Bastion provides a web interface to remote administer azure vms by using ssh/rdp. Azure firewall is a stateful firewall services used to protect vms

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14
Q

What two service allow you to run applications in containers?
1.Azure container instances
2.Azure functions
3.Azure logic apps
4.Azure Kubernetes services

A

*Azure container instances
*Azure Kubernetes services

Containers are a virtualization environment. Much like running multiple vms on a single physical host, you can run multiple containers on a single physical or virtual host. Unlike virtual machines you do not manage the operating system for a container.

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15
Q

Which storage service should you use to store thousands of files containing text and images?
1.Azure blob storage
2.Azure disk storage
3.Azure queue storage
4.Azure table storage

A

*Azure blob storage

Azure blob storage is an object storage solution that you can use to store massive amounts of unstructured data such as text or binary

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16
Q

Which azure blob storage tier stores data offline and offers the lowest storage costs and the highest costs to access data?
1.Archive
2.Cool
3Hot

A

*Archive

Archive storage tier stores data offline and offers the lowest storage costs, but also the highest costs to rehydrate and access data. The host storage tier is optimized for storing data that is access frequently. Data in the cool access tier can tolerate slightly lower availability, but still requires high durability, retravel latency and throughput characteristics similar to hot data.

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17
Q

Which two scenarios are common use cases for azure blob storage?

1.Hosting aspx files for a website
2.Mounting a file storage share to be accessed as a virtual drive on multiple virtual machines
3.Serving images or documents directly to a browser
4.Storing data for backup and restore

A

*Serving images or documents directly to a browser
*Storing data for backup and restore

Low storage costs and unlimited file formats make blob storage a good location to store backups and archives. Blob storage can be reached from anywhere by using an internet connection. Azure disk storage provides disks for azure virtual machines.

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18
Q

Which Azure Blob storage service tier has the highest storage costs and the fastest access times for reading and writing data?
1.Archive
2.Cool
3.Hot
4.Cold

A

*Hot

The Hot tier is optimized for storing data that is accessed frequently. The Cool access tier has a slightly lower availability SLA and higher access costs compared to hot data, which are acceptable trade-offs for lower storage costs. Archive storage stores data offline and offers the lowest storage costs, but also the highest costs to rehydrate and access data.

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19
Q

What can you use to ensure that a user can only access applications from compliant devices?
1.Conditional access
2.Hybrid identity
3.Mfa
4.Sso

A

*Conditional access

Conditional Access is a feature that Microsoft Entra uses to allow or deny access to resources based on identity signals, such as the device being used. SSO enables a user to sign in one time and use that credential to access multiple resources and applications from different providers

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20
Q

Which type of strategy uses a series of mechanisms to slow the advancement of an attack that aims to gain unauthorized access to data?
1.Defense in depth
2.Distributed denial of service
3.Least privileged access

A

*Defense in depth

A defense in depth strategy uses a series of mechanisms to slow the advancement of an attack that aims to gain unauthorized access to data.

21
Q

Which two services are provided by Microsoft Entra?
1.Authentication
2.Data encryption
3.Name resolution
4.Single sign on

A

*Authentication
*Single sign on

Azure AD provides services for verifying identity and access to applications and resources

22
Q

What are two basic services provided by all cloud providers?
1.Application development
2.Colocation
3.Compute
4.Storage

A

*Compute
*storage

All cloud providers provide compute and storage services. Colocation is when a business rents space in a shared physical datacenter. Application development is the responsibility of the customer and is typically done either in-house or through a third party.

23
Q

Why is cloud computing often less expensive than on-premises datacenters?

1.Cloud service offerings have limited functionality.
2.Network bandwidth is free.
3.Services are only offered in a single geographic location.
4.You are only billed for what you use

A

*You are only billed for what you use

24
Q

What is an advantage of cloud computing compared to on-premises deployments?

1.You can scale more quickly
2.You can work from multiple workstations
3.You have full access in case of internet outage
4.You own your CPUs

A

*You can scale more quickly

25
Q

Increasing compute capacity for an app by adding RAM or CPUs to a virtual machine is called

1.Disaster recovery
2.High availability
3.Horizontal scaling
4.Vertical Scaling

A

*Vertical Scaling

26
Q

Deploying and configuring cloud-based resources quickly as business requirements change is called

1.Agility
2.Elasticity
3.High availability
4.Scalability

A

*Agility

Agility means that you can deploy and configure cloud-based resources quickly as app requirements change.

27
Q

Increasing compute capacity for an app by adding instances of resources such as virtual machines is called

1.Disaster recovery
2.High availability
3.Horizontal scaling
4.Vertical scaling

A

*Horizonal scaling

Scaling horizontally increases compute capacity by adding instances of resources such as adding virtual machines to the configuration.

28
Q

What are cloud-based backup services, data replication, and geo-distribution features of?

1.A cost reduction plan
2.A disaster recovery plan
3.A hybrid cloud deployment
4.An elastic application configuration

A

*A disaster recovery plan

29
Q

An example of [____] is automatically scaling an application to ensure that the application has the resources needed to meet customer demands.

1.Agility
2.Elasticity
3.Geo-distribution
4.High availability

A

*Elasticity

Elasticity refers to the ability to scale resources as needed, such as during business hours, to ensure that an application can keep up with demand, and then reducing the available resources during off-peak hours.

30
Q

In cloud computing, [_______] allows you to deploy applications to regional datacenters around the world.
1.Disaste
r recovery
2.Elasticity
3.Geo-location
4.High availability

A

*Geo-location

You can deploy apps and data to regional datacenters around the globe, thereby ensuring that your customers always have the nest performance in their region. This is referred to as geo-distribution

31
Q

Which type of cloud service model is typically licensed through a monthly or annual subscription?

1.IaaS
2.PaaS
3.SaaS

A

*SaaS

SaaS is software that is centrally hosted and managed for you and your users or customers. Usually, one version of the application is used for all customers, and it is licensed through a monthly or annual subscription. PaaS and IaaS use a consumption-base model, so you only pay for what you use.

32
Q

In which cloud service model is the customer responsible for managing the operating system?

1.IaaS
2.PaaS
3.SaaS

A

*IaaS

IaaS consists of virtual machines and networking provided by the cloud provider.

33
Q

Which cloud service model is used by Azure SQL Database?

1.IaaS
2.PaaS
3.SaaS

A

*PaaS

Azure SQL Database is a PaaS database engine

34
Q

Which type of cloud service are virtual networks?

1.IaaS
2.PaaS
3.SaaS

A

*IaaS

IaaS helps you reduce the cost and complexity of maintaining a physical server and its datacenter infrastructure. Virtual networks are part of the IaaS cloud service

35
Q

You need to compare the costs of running an application in an on-premises datacenter with the costs of running the application in Azure. What should you use to assist you?

1.Azure advisor
2.Azure cost management
3.Azure pricing calculator
4.Total Cost of Ownership (TCO) Calculator

A

*Total Cost of Ownership (TCO) Calculator

36
Q

Which are two common scenarios for using resource tags?

1.Associating costs with different environments
2.Categorizing costs by department
3.Identifying lower cost regions
4.Resizing underutilized virtual machines

A

*Associating costs with different environments
*Categorizing costs by department

You can use tags to categorize costs by department , such as HR, IT, or by environment such as test or production.

37
Q

Which two features are available by using Azure Cost Management + Billing?

1.Create and manage budgets
2.Estimate the total cost of ownership before resources are deployed
3.Generate historical reports and forecast future usage
4.Provide discounted prices when you pay in advance

A

*Create and manage budgets
*Generate historical reports and forecast future usage

Azure Cost management allows you to create and manage cost and usage budgets by monitoring resource demand rends, consumption rates, and cost patterns.

38
Q

You have an Azure virtual machine that is accessed only between 9:00 and 17:00 each day. What should you do to minimize costs but preserve the associated hard disks and data?

1.Deallocate the virtual machine when it is not needed.
2.Delete the virtual machine when it is not needed.
3.Implement Privileged Identity Management.
4.Resize the virtual machine to smaller size.

A

*Deallocate the virtual machine when it is not needed.

If you have virtual machine workloads that are used only during certain periods, but you run them every hour of every day, then you are wasting money. These virtual machines are great candidates to deallocate when not in use and start back when required to save compute costs while the virtual machines are deallocated.

39
Q

You need to associate the costs of resources to different groups within an organization without changing the location of the resources.

1.Administrative units
2.Resource groups
3.Resource tags
4.Subscriptions

A

*Resource tags

Resource tags can be used to group billing data and categorize costs by runtime environment, such as billing usage for virtual machines running in a production environment.

40
Q

You need to recommend a solution for Azure virtual machine deployments. The solution must enforce company standards on the virtual machines.

1.Microsoft Intune compliance policy
2.Azure Cost Management
3.Azure Lock
4.Azure Policy

A

*Azure Policy

Azure policies will allow you to enforce company standards on new virtual machines when combined with Azure VM Image Builder and Azure Compute Gallery. By using Azure Policy and role-based access control (RBAC) assignments, enterprises can enforce standards on Azure resources. But on virtual machines, these mechanisms only affect the control plane or the route to the virtual machine.

41
Q

What can you use to ensure that a development team can only create virtual machines of a certain size?

1.Azure policy
2.Azure Blueprint
3.Cloud adoption framework

A

*Azure policy

Azure Policy enables you to define both individual policies and groups of related policies called initiatives. Azure Policy evaluates your resources and highlights resources that are not compliant with the policies you created. Azure Policy can also prevent noncompliant resources from being created.

42
Q

What can you use to define the resources you want to provision in a declarative JSON format

1.Azure CLI
2.Azure PowerShell
3.Azure Repos
4.Azure Resource Manager (ARM) templates

A

*Azure Resource Manager (ARM) templates

43
Q

What should you use to access Azure Cloud Shell?

  1. a web browser
    2.CLI
    3.Powershell
A

a web browser

44
Q

What can you use to create resources in Azure and includes a validation step to ensure all resources are created in a specific order based on dependencies, in parallel and idempotent?
1.Azure CLI
2.Azure PowerShell
3.Azure Resource Manager (ARM) templates
4.Azure REST API

A

*Azure Resource Manager (ARM) templates

45
Q

What provides recommendations to reduce the cost of Azure resources?
1.Azure Advisor
2.Azure Health Monitor
3.Azure Resources

A

*Azure Advisor

46
Q

Which Azure service evaluates Azure resources and makes recommendations to help improve reliability, security, performance, and cost reduction?
1.Azure Advisor
2.Log analytics
3.Azure Service Health

A

*Azure Advisor

47
Q

What can you use to get notification about an outage in a specific Azure region?1.Azure Advisor
2.Azure Monitor
3.Azure Security Center
4.Azure Service Health

A

*Azure Service Health

48
Q

Which Azure service can generate an alert if virtual machine utilization is over 80% for five minutes?
1.Azure Advisor
2.Azure Monitor
3.Azure service health

A

*Azure Monitor

Azure Monitor is a platform for collecting, analyzing, visualizing, and alerting based on metrics. Azure Monitor can log data from an entire Azure and on-premises environment.

49
Q

In a region pair, a region is paired with another region in the same [answer choice].

1.availability zone
2.datacenter
3.geography
4.resource group

A

*Geography

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

AZ-900 (3 decks)

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