AZ-900 시험 준비를 위한 덤프 문제 풀이 입니다.
bmooc에서 AZ-900 문제 풀이 영상을 보고 정리하였습니다.
A platform as a service (PaaS) solution that hosts web app in Azure provides full control of the operating systems that host applications.
Answer : No
운영체제를 컨트롤하기 위해서는 IaaS를 사용해야합니다.
A platform as a service (PaaS) solution that hosts web app in Azure provides the ability to scale the platform automatically.
Answer : Yes
scale 기능을 제공합니다.
A platform as a service (PaaS) solution that hosts web apps in Azure provides professional development services to continuously add features to custom applications.
Answer : Yes
CI/CD,Devops와 같은 시나리오들이 적용되고
전문 개발 서비스를 제공합니다.
Azure provides flexibility between capital expenditure (CapEx) and operational exponditure (OpEx).
Answer : Yes
CapEx와 OpEx의 유연성을 제공합니다.
If you create two Azure virtual machines that use the B2S size, each virtual machine will always generate the same monthly costs.
Answer : No
traffic 비용에 따라 조금씩 달라질 수도 있습니다.
When an Azure virtual machine is stopped, you continue to pay storage costs associated to the virtual machine.
Answer : Yes
가상 머신과 관련된 스토리지 비용은 계속 지불해야 합니다.
When you are implementing a software as a service (SaaS) solution, you are responsible for configuring the SaaS solution.
Saas 솔루션을 사용하기 위해서 구성을 해야합니다.
You have an on-premises network that contains several servers.You plan to migrate all the servers to Azure.You need to recommend a solution to ensure that some of the servers are available if a single Azure data center goes offline for an extended period.
What should you include in the recommendation?
Answer : fault tolerance
데이터 센터가 어떠한 요인에 의해서 offline이 됬을 때를 대비하여
내결함성(fault tolerance) 기능이 있어야합니다.
An organization that hosts its infrastructure in a public cloud no longer requires a data center.
데이터센터가 필요없는 것은 public cloud 입니다.
Hyper-v host도 데이터센터가 필요합니다.
What are two characteristics of the public cloud?
A. dedicated hardware
B. unsecured connections
C. limited storage
D. metered pricing
E. self-service management
Answer : D,E
예측가능하고 사용한만큼 비용 지불,
포털을 통해 리소스 추가,변경,제거,수정 가능합니다.
When planning to migrate a public website to Azure, you must plan to pay monthly usage costs.
Local에서 이용하다가 cloud로 옮기게되면 비용이 월 단위로 발생되기 때문입니다.
Your company plans to migrate all its data and resources to Azure.The company's migration plan states that only platform as a service (PaaS) solutions must be used in Azure.You need to deploy an Azure environment that supports the planned migration.
Solution: You create an Azure App Service and Azure SQL databases.
Does this meet the goal?
Answer : Yes
Azure App Service,Azure SQL Database는 Paas 입니다.
Your company plans to migrate all its data and resources to Azure.The company's migration plan states that only platform as a service (PaaS) solutions must be used in Azure.You need to deploy an Azure environment that supports the planned migration.
Solution: You create an Azure App Service and Azure virtual machines that have Microsoft SQL Server installed.
Does this meet the goal?
Answer : Yes
가상머신에 DB를 설치하는 것을 "Microsoft SQL Server installed"라고 표현했습니다.이것은 Paas 기반의 웹서비스하고 연결이 됩니다.
Your company plans to migrate all its data and resources to Azure.The company's migration plan states that only platform as a service (PaaS) solutions must be used in Azure.You need to deploy an Azure environment that supports the planned migration.
Solution: You create an Azure App Service and Azure Storage accounts.
Does this meet the goal?
Answer : Yes
Azure App Service,Azure Storage accounts는 Paas 입니다.
Your company hosts an accounting named App1 that is used by all the customers of the company.App1 has low usage during the first three weeks of each month and very high usage during the last week of each month.Which benefit of Azure Cloud Services supports cost management for this type of usage pattern?
Anser : elasticity(탄력성)
탄력성은 자동으로 수행됩니다.
You plan to migrate a web application to Azure. The web application is accessed by external users.You need to recommend a cloud deployment solution to minimize the amount of administrative effort used to manage the web application.What should you include in the recommendation?
Answer : Paas
관리를 가장 적게하는 것 Saas 이지만,
웹서버는 Saas 형태로 사용하지 않습니다.
Azure Virtual Machine : IaaS / PaaS / SaaS
Azure SQL Database : IaaS / PaaS / SaaS
Virtual Machine은 IaaS,Azure SQL Database는 PaaS
you have an on-premises network that contains 100 servers.You need to recommend a solution that provides additional resources to your users. The solution must minimize capital and operational expenditure costs.
What should you include in the recommendation?
Answer : a hybrid cloud
private cloud가 존재하는 것을 알 수 있고,
CapEx와 OpEx를 최소한으로 해야하므로 public cloud를 사용해야하므로
hybrid clude를 사용해야합니다.
- To achieve a ybrid cloud model, a company must always migragte from a private cloud model.
- A company can extend the capacity of its internal network by using the public cloud
- In a public cloud model, only guest users at your company can access the resources in the cloud
Answer : No,Yes,No
처음부터 hybrid cloud로 만들 수 있습니다,
public cloud로 내부 네트워크 확장 가능,
public cloud는 모든 사용자가 접근 할 수 있습니다.
You plan to migrate several servers from an on-premises network to Azure.You need to identify the primary benefit of using a public cloud service for the servers.
What should you identify?
A. The public cloud is owned by the public, NOT a private corporation
B. The public cloud is a crowd-sourcing solution that provides corporations with the ability to enhance the cloud
C. All public cloud resources can be freely accessed by every member of the public
D. The public cloud is a shared entity whereby multiple corporations each use a portion of the resources in the cloud
Answer : D
낮은 비용으로 서버 운영 가능
Azure Site Recovery provides fault tolerance for virtual machines.
Azure Site Recover는 복원을 진행해줍니다.
In which type of cloud model are all the hardware resources owned by a third-party and shared between multiple tenants?
Answer : public
여러 회사들이 같이 사용하기 때문입니다.
An Azure web app that queries an on-promises Microsoft SQL Server is an example of a hybrid cloud
Azure web app과 SQL Server을 연결하기 위해서는 hybrid로 해야합니다.
You have 1,000 virtual machines hosted on the Hyper-V hosts in a data center.You plan to migrate all the virtual machines to an Azure pay-as-you-go subscription.You need to identify which expenditure model to use for the planned Azure solution.
Which expenditure model should you identify?
Answer : operational
A. A cloud service that remains available after it occurs
B. A cloud service that can be recovered after it occurs
C. A cloud service that performs quickly when it increases
D. A cloud service that can be accessed quickly to the internet
a. Disaster recovery
b. Fault tolerance
c. Low latency
d. Dynamic scalability
Answer : A - b, B - a, C - d, D - c
- To implement a hybrid cloud model, a company must have an internal network
- A company can extend the computing resources of its internal network by using the hybrid cloud.
- In a public cloud model, only guest users at your company can access the resources in the cloud.
Answer : No,Yes,No
클라우드에 배포만하면 되므로 없어도 됩니다,
필요할 때마다 public cloud를 이용해서 용량을 늘리는게 가능합니다,
누구라도 접근이 가능합니다.
- A platform as a service (PaaS) solution that hosts web app in Azure provides full control of the operating systems that host applications.
- A platform as a service (PaaS) solution that hosts web app in Azure provides additional memory to apps by changing pricing tiers
-A platform as a service (PaaS) solution can automatically scale the number of instances
Answer : No,No,Yes
1,2번을 하기위해서는 IaaS를 사용해야하고
3번은 PaaS가 IaaS보다 더 유리합니다.
Your company has an on-premises network that contains multiple servers.The company plans to reduce the following administrative responsibilities of network administrators:
✑ Backing up application data
✑ Replacing failed server hardware
✑ Managing physical server security
✑ Updating server operating systems
✑ Managing permissions to shared documents
The company plans to migrate several servers to Azure virtual machines.You need to identify which administrative responsibilities will be reduced after the planned migration.
Which two responsibilities should you identify? Each correct answer presents a complete solution.
A. Replacing failed server hardware
B. Backing up application data
C. Managing physical server security
D. Updating server operating systems
E. Managing permissions to shared documents
Answer : A,C
클라우드 회사에서 알아서 할 것 입니다,
물리적인 서버의 보안도 회사에서 알아서 할 것 입니다.
