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Azure AZ900 > Mixed > Flashcards

Mixed Flashcards

1
Q

Can a company extend a private cloud by adding its own physical servers to the public cloud ?

A

No, you cannot add physical servers to the public cloud. You can only deploy virtual servers in the public cloud. You can extend a private cloud by deploying virtual servers in a public cloud. This would create a hybrid cloud.

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2
Q

To build a hybrid cloud, do you have to deploy resources to the public cloud ?

A

Yes, a hybrid cloud is a combination of a private and a public cloud. Therefore, you have to deploy resources to a public cloud.

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3
Q

Does a private cloud have to be disconnected from the internet?

A

No, private clouds can be and most commonly are connected to the internet. Private cloud = physical servers managed by you

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4
Q

You have 50 VMs hosted on-premise and 50 VMs hosted in Azure. Both VM types are connected to each other. Which type of cloud model is this ?

A

A hybrid cloud.

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5
Q

A PaaS solution that hosts web apps in Azure provides full control of the operating systems that host applications. Yes or no ?

A

No, PaaS do not provide access to the operating system. Azure Web Apps Service provides an environment for you to host web applications. The web apps are hosted on VMs running IIS without direct access to the VMs, te OS or IIS.

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6
Q

A PaaS solution that hosts web apps in Azure can be provided with additional memory by changing the pricing tier. Yes or no?

A

Yes.

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7
Q

A PaaS solution that hosts web apps in Azure can be configured to automatically scale the number of instances based on demand. Yes or no ?

A

Yes.

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8
Q

Your company plans to migrate all its data and resources to Azure. The company’s migration plan states that only PaaS solutions must be used in Azure. You need to deploy an Azure environment that meets the company migration plan.
Solution: You create Azure VMs, Azure SQL databases, Azure Storage accounts. Does this meet the goal?

A

No, PaaS is a complete development and deployment in the cloud. This includes infrastructure servers, storage, networking and middleware, dev tools, BI services, database management systems and more. PaaS supports the complete web app lifecycle.: building, testing, deploying, managing, updating

VMs are examples of IaaS, IaaS is an instant computing infrastructure, provisioned and managed over the internet.

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9
Q

Your company plans to deploy several custom applications to Azure. The apps will provide invoicing services to the customers of the company. Each app will have several prerequisite apps and services installed. You need to recommend a cloud deployment solution for all the apps.

What do you recommend ?

A

Infrastructure as a Service

IaaS is an instant computing infrastructure, provisioned and managed over the internet. The IaaS service provider maages the infrastructure, while you purchase, install, configure and manage your own software.

SaaS allows to connect to and use cloud-based apps over the internet. Common examples are email, calendaring, and office tools. In this scenario, you need to run your own apps, therefore require an infrastructure.

PaaS is a complete development and deployment environment in the cloud. This includes infrastructure servers, storage, an networking, but also middleware, development tools, BI services, DB management systems and more. PaaS is desgined to support the complete web app lifecycle: building, testing, deployment, managing and updating.

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10
Q

Building a data center infrastructure is an example of operational expenditure (OpEx) costs, yes or no?

A

No, this is capital expenditure, not OpEx

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11
Q

Monthly salaries for technical personnel are an example of operational expenditure (OpEx) costs. Yes or no?

A

Yes, OpEx is ongoing costs, such as salaries.

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12
Q

Leasing software is an example of operational expenditure (OpEx) costs. Yes or no ?

A

Yes. OpEx are ongoing costs such as leasing software. If you purchased software as a one-off purchase, that would be CapEx, but leasing software is ongoing so its OpEx.

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13
Q

Azure Cosmos DB is an example of a …… offering.

A

platform as a service (PaaS)

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14
Q

With software as a service (SaaS), you must apply software updates. Yes or no?

A

No.

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15
Q

Within infrastructure as a service (IaaS) you must install the software that you want to use. Yes or no?

A

Yes.

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16
Q

Azure Backup is an example of plattform as a Service. Yes or no?

A

Yes.

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17
Q

Can you create a resource group inside of another resource group?

A

No.

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18
Q

An Azure CM can be in multiple resource groups. Yes or no?

A

No, each resource can exist in only one resource group.

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19
Q

A resource group can contain resources from multiple Azure regions. Yes or no?

A

Yes, resources from multiple regions can be placed in a resource group. The resource group only contains metadata about the resources it contains.

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20
Q

Microsoft SQL Server 2019 installed on an Azure VM is an example of PaaS, yes or no?

A

No.

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21
Q

Azure SQL Database is an example of PaaS. Yes or no?

A

Yes.

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22
Q

Azure Cosmos DB is an example of software as a service (SaaS), yes or no?

A

No.

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23
Q

A MS SQL Server database that is hosted in the cloud and has software updates managed by Azure is an example of …………

A

platform as a service (PaaS)

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24
Q

Your company plans to migrate all its data and resources to Azure. The companie’s migration states that only PaaS solutions must be used in Azure. You need to deploy an Azure environment that meets the company’s migration plan. What should you create?

A: Azure VMs, SQL databases, Storage accounts
B: Azure App Service an VMs, that have MS SQL Server installed.
C: An Azure App Service and Azure SQL databases
D: Azure storage accounts and web server in VMs.

A

C, Azure App Service and Azure SQL databases are examples of Azure PaaS solutions. Therefore, this solution does meet the goal.

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25
Q

What does a customer provide in a software as a service (SaaS) model?

A: application data
B: Data storage
C: Compute resources
D: Application software

A

A: SaaS provides a complete software solution which you purchase on a pay as you go basis from a cloud service provider. You rent the use of an app for your organization and your users connect to it over the Internet, usually with a web browser. All of the underlying infrastructure, middleware, app software and app data are located in the service providerג€™s data center. The service provider manages the hardware and software and with the appropriate service agreement, will ensure the availability and the security of the app and your data as well.

26
Q

Azure Files is an example of IaaS. Yes or no?

A

Yes

27
Q

A DNS Server, which runs on an Azure VM is an example of PaaS. Yes or no?

A

Yes

28
Q

Microsoft Intune is an example of SaaS. Yes or no?

A

Yes.

29
Q

Your company intends to subsribe to an Azure support plan. The support plan must allow for new support requests to be opened. Which of the following are support plans that will allow this?

  • Basic
  • Developer
  • Standard
  • Professional Direct
  • Premier
A
  • Basic
  • Developer
  • Standard
  • Professional Direct
30
Q

Your company has datacenters in LA and NY. The company has a MS Azure subscription. You are configuring the two datacenters as geo-clustered sites for site resiliency. You need to recommend an Azure storage redundancy option.
You have the following data storage requirements:
- Data must be stored in multiple nodes
- Data must be stored on nodes in separate geographical locations
- Data can be read from the secondary location as well as from the primary location.

Which of the following redundancy options do you recommend?

A. Geo-redundant storage
B. Read-only geo-redundant storage
C. Zone-redundant storage
D. Locally redundant storage

A

B, Read-only geo-redundant storage

RO-GRS allows you to have higher read availability for your storage account by providing “read only” access to the data replicated to the secondary location. Once you enable this feature, the secondary location may be used to achieve higher availability in the event the data is not available in the primary region. This is an
opt-in feature which requires the storage account be geo-replicated.

31
Q

Your companys Azure subscription includes the Basic support plan.
They would like to request an assessment of an Azure environment’s design from Microsoft. This is, however, not supported by the existing plan.
You want to make sure that the company subscribes to a support plan that allows this functionality, while keeping expenses to a minimum.
Solution: You recommend that the company subscribes to the Professional Direct support plan.
Does the solution meet the goal? Yes or no.

A

No.

32
Q

You are tasked with deploying Azure virtual machines for your company.
You need to make use of the appropriate cloud deployment solution.
Solution: You should make use of Software as a Service (SaaS).
Does the solution meet the goal?

A

No

33
Q

You are tasked with deploying Azure virtual machines for your company.
You need to make use of the appropriate cloud deployment solution.
Solution: You should make use of Platform as a Service (PaaS).
Does the solution meet the goal?

A

No

34
Q

You are tasked with deploying Azure virtual machines for your company.
You need to make use of the appropriate cloud deployment solution.
Solution: You should make use of Infrastructure as a Service (IaaS).
Does the solution meet the goal?

A

Yes

35
Q

Your developers have created 10 web applications that must be host on Azure.
You need to determine which Azure web tier plan to host the web apps. The web tier plan must meet the following requirements:
- The web apps will use custom domains.
- The web apps each require 10 GB of storage.
- The web apps must each run in dedicated compute instances.
- Load balancing between instances must be included.
- Costs must be minimized.

Which web tier plan should you use?
A. Standard
B. Basic
C. Free
D. Shared
A

B: Standard offers 50GB storage space, Basic 10 GB

36
Q

Your developers have created a portal web app for users in the Miami branch office. The web app will be publicly accessible and used by the Miami users to retrieve customer and product information. The web app is currently running in an on-premises test environment.
You plan to host the web app on Azure.
You need to determine which Azure web tier plan to host the web app. The web tier plan must meet the following requirements:
✑ The website will use the miami.weyland.com URL.
✑ The website will be deployed to two instances.
✑ SSL support must be included.
✑ The website requires 12 GB of storage.
✑ Costs must be minimized.
Which web tier plan should you use?
A. Standard
B. Basic
C. Free
D. Shared

A

A, Standard

37
Q

Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
You are required make sure that the intended Azure solution uses the correct expenditure model.
Solution: You should recommend the use of the elastic expenditure model.
Does the solution meet the goal?

A

No.

38
Q

Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
You are required make sure that the intended Azure solution uses the correct expenditure model.
Solution: You should recommend the use of the scalable expenditure model.
Does the solution meet the goal?

A

B, No

39
Q

Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
You are required make sure that the intended Azure solution uses the correct expenditure model.
Solution: You should recommend the use of the operational expenditure model.
Does the solution meet the goal?

A

Yes

40
Q

Your companyג€™s infrastructure includes a number of business units that each need a large number of various Azure resources for everyday operation.
The resources required by each business unit are identical.
You are required to sanction a strategy to create Azure resources automatically.
Solution: You recommend that the Azure API Management service be included in the strategy.
Does the solution meet the goal?

A

No

41
Q

Your companyג€™s infrastructure includes a number of business units that each need a large number of various Azure resources for everyday operation.
The resources required by each business unit are identical.
You are required to sanction a strategy to create Azure resources automatically.
Solution: You recommend that management groups be included in the strategy.
Does the solution meet the goal?

A

No

42
Q

Your companyג€™s infrastructure includes a number of business units that each need a large number of various Azure resources for everyday operation.
The resources required by each business unit are identical.
You are required to sanction a strategy to create Azure resources automatically.
Solution: You recommend that the Azure Resource Manager templates be included in the strategy.
Does the solution meet the goal?

A

Yes

43
Q

You are tasked with deploying a critical LOB application, which will be installed on a virtual machine, to Azure.
You are informed that the application deployment strategy should allow for a guaranteed availability of 99.99 percent. You need to make sure that the strategy requires as little virtual machines and availability zones as possible.
Solution: You include two virtual machines and one availability zone in your strategy.
Does the solution meet the goal?

A

No

44
Q

You are tasked with deploying a critical LOB application, which will be installed on a virtual machine, to Azure.
You are informed that the application deployment strategy should allow for a guaranteed availability of 99.99 percent. You need to make sure that the strategy requires as little virtual machines and availability zones as possible.
Solution: You include one virtual machine and two availability zones in your strategy.
Does the solution meet the goal?

A

No

45
Q

Name 3 reasons, why cloud computing is typically cheaper to use?

A
  • Lower operating costs
  • Run infrastructure more efficiently
  • Scale as your business needs change
46
Q

Two main rented service within cloud computing

A
  • Storage

- Compute power

47
Q

What is virtualization?

A

Separation of Hardware and OS due to Hypervisor, which emulates all functions of a computer. It can run various VMs at the same time. MS has datacenters, filled with servers, which each obtain a hypervisor, which holds multiple VMs.

48
Q

What is the Azure Portal?

A

Control, creation and configuration of all Azure services / subscriptions. Resources can be set up with various settings, implement security policies. With a customized dashboard, you can see, what is most valuable to you. The Azure portal is designed for resiliency and continuous availability. It maintains a presence in every Azure datacenter. This configuration makes the Azure portal resilient to individual datacenter failures and avoids network slowdowns by being close to users. The Azure portal updates continuously and requires no downtime for maintenance activities.

49
Q

What is the Azure Marketplace?

A

It helps to connect users with MS partners, independent software vendors and startups, that are offering their solutions and services, which are optimized to run on Azure. All solutions and services findable are certified to run on Azure. It is designed for IT pros and cloud developers interested in commercial and IT software

50
Q

Name the 10x most commonly used categories of Azure:

A
  • Compute
  • Storage
  • Networking
  • Mobile
  • Databases
  • Web
  • IoT
  • Big Data
  • AI
  • DevOps
51
Q

What is Azure Kubernetes Service

?

A

Cluster management for VMs that run on containerized services.

52
Q

What is Azure Batch?

A

Managed service for parallel and high-performance computing applications

53
Q

what is Azure Load Balancer?

A

Balances inbound and outbound connections to applications or service endpoints.

54
Q

Azure Blob storage ?

A

Storage service for very large objects, such as video files or bitmaps.

55
Q

What is the right hierarchie for Azure accounts ?

  • Resources
  • Azure Account
  • Subscriptions
  • Resource Groups
A
  • Azure account
  • Subscriptions
  • Resource Groups
  • Resources
56
Q

What is the Azure free account?

A

Free access to popular Azure products for 12 months.
A credit to spend for the first 30 days.
Access to more than 25 products that are always free.

57
Q

What is the Azure free student account?

A

Free access to certain Azure services for 12 months.
A credit to use in the first 12 months.
Free access to certain software developer tools.

58
Q

Within which two way can you communicate between Azure resources?

A

VN - Can not only connect VMs, but other resources like App Service Environment for Power Apps, Azure Kubernetes Service and Azure VM Scale Sets

Service Endpoints - Used to connect resource types, like Azure SQL databases and storage accounts. This approach enables to link multiple Azure resources to virtual networks to improve security and provide optimal routing between resources.

59
Q

What is Azure Express Route?

A

for environments where greater band width and higher levels of securits is needed, ExpressRoute is the best approach
Provides:
- dedicated private connectivity to Azure that does not travel over the Internet

60
Q

What is a network security group ?

A

A resource, that can contain multiple inbound and outbound security rules.
Rules can be defined to block traffic, based on factors such as source and destination IP address, port and protocol

61
Q

What is Network virtual appliances?

A

Specialized VM that can be compared to a hardened network appliance. A network appliance carries out a particular network function, such as running a firewall or performing a WAN (wide area network) aoptimization

62
Q

What is UDR ?

A

UDR = User defined routing

Significant update to Azure’s Virtual Networks as this allows network admins to control the routing tables between subnets within a VNet, as well as between VNets, thereby allowing for greater control over network traffic flow.

Azure AZ900 (1 decks)

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